[media] move i2c files into drivers/media/i2c

Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 2118 deletions

diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
deleted file mode 100644
index 321b3153df87..000000000000
--- a/drivers/media/video/tvaudio.c
+++ /dev/null
@@ -1,2118 +0,0 @@
-/*
- * Driver for simple i2c audio chips.
- *
- * Copyright (c) 2000 Gerd Knorr
- * based on code by:
- *   Eric Sandeen (eric_sandeen@bigfoot.com)
- *   Steve VanDeBogart (vandebo@uclink.berkeley.edu)
- *   Greg Alexander (galexand@acm.org)
- *
- * Copyright(c) 2005-2008 Mauro Carvalho Chehab
- *	- Some cleanups, code fixes, etc
- *	- Convert it to V4L2 API
- *
- * This code is placed under the terms of the GNU General Public License
- *
- * OPTIONS:
- *   debug - set to 1 if you'd like to see debug messages
- *
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/videodev2.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/kthread.h>
-#include <linux/freezer.h>
-
-#include <media/tvaudio.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-
-#include <media/i2c-addr.h>
-
-/* ---------------------------------------------------------------------- */
-/* insmod args                                                            */
-
-static int debug;	/* insmod parameter */
-module_param(debug, int, 0644);
-
-MODULE_DESCRIPTION("device driver for various i2c TV sound decoder / audiomux chips");
-MODULE_AUTHOR("Eric Sandeen, Steve VanDeBogart, Greg Alexander, Gerd Knorr");
-MODULE_LICENSE("GPL");
-
-#define UNSET    (-1U)
-
-/* ---------------------------------------------------------------------- */
-/* our structs                                                            */
-
-#define MAXREGS 256
-
-struct CHIPSTATE;
-typedef int  (*getvalue)(int);
-typedef int  (*checkit)(struct CHIPSTATE*);
-typedef int  (*initialize)(struct CHIPSTATE*);
-typedef int  (*getrxsubchans)(struct CHIPSTATE *);
-typedef void (*setaudmode)(struct CHIPSTATE*, int mode);
-
-/* i2c command */
-typedef struct AUDIOCMD {
-	int             count;             /* # of bytes to send */
-	unsigned char   bytes[MAXREGS+1];  /* addr, data, data, ... */
-} audiocmd;
-
-/* chip description */
-struct CHIPDESC {
-	char       *name;             /* chip name         */
-	int        addr_lo, addr_hi;  /* i2c address range */
-	int        registers;         /* # of registers    */
-
-	int        *insmodopt;
-	checkit    checkit;
-	initialize initialize;
-	int        flags;
-#define CHIP_HAS_VOLUME      1
-#define CHIP_HAS_BASSTREBLE  2
-#define CHIP_HAS_INPUTSEL    4
-#define CHIP_NEED_CHECKMODE  8
-
-	/* various i2c command sequences */
-	audiocmd   init;
-
-	/* which register has which value */
-	int    leftreg,rightreg,treblereg,bassreg;
-
-	/* initialize with (defaults to 65535/65535/32768/32768 */
-	int    leftinit,rightinit,trebleinit,bassinit;
-
-	/* functions to convert the values (v4l -> chip) */
-	getvalue volfunc,treblefunc,bassfunc;
-
-	/* get/set mode */
-	getrxsubchans	getrxsubchans;
-	setaudmode	setaudmode;
-
-	/* input switch register + values for v4l inputs */
-	int  inputreg;
-	int  inputmap[4];
-	int  inputmute;
-	int  inputmask;
-};
-
-/* current state of the chip */
-struct CHIPSTATE {
-	struct v4l2_subdev sd;
-
-	/* chip-specific description - should point to
-	   an entry at CHIPDESC table */
-	struct CHIPDESC *desc;
-
-	/* shadow register set */
-	audiocmd   shadow;
-
-	/* current settings */
-	__u16 left, right, treble, bass, muted;
-	int prevmode;
-	int radio;
-	int input;
-
-	/* thread */
-	struct task_struct   *thread;
-	struct timer_list    wt;
-	int 		     audmode;
-};
-
-static inline struct CHIPSTATE *to_state(struct v4l2_subdev *sd)
-{
-	return container_of(sd, struct CHIPSTATE, sd);
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* i2c I/O functions                                                      */
-
-static int chip_write(struct CHIPSTATE *chip, int subaddr, int val)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	struct i2c_client *c = v4l2_get_subdevdata(sd);
-	unsigned char buffer[2];
-
-	if (subaddr < 0) {
-		v4l2_dbg(1, debug, sd, "chip_write: 0x%x\n", val);
-		chip->shadow.bytes[1] = val;
-		buffer[0] = val;
-		if (1 != i2c_master_send(c, buffer, 1)) {
-			v4l2_warn(sd, "I/O error (write 0x%x)\n", val);
-			return -1;
-		}
-	} else {
-		if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
-			v4l2_info(sd,
-				"Tried to access a non-existent register: %d\n",
-				subaddr);
-			return -EINVAL;
-		}
-
-		v4l2_dbg(1, debug, sd, "chip_write: reg%d=0x%x\n",
-			subaddr, val);
-		chip->shadow.bytes[subaddr+1] = val;
-		buffer[0] = subaddr;
-		buffer[1] = val;
-		if (2 != i2c_master_send(c, buffer, 2)) {
-			v4l2_warn(sd, "I/O error (write reg%d=0x%x)\n",
-				subaddr, val);
-			return -1;
-		}
-	}
-	return 0;
-}
-
-static int chip_write_masked(struct CHIPSTATE *chip,
-			     int subaddr, int val, int mask)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-
-	if (mask != 0) {
-		if (subaddr < 0) {
-			val = (chip->shadow.bytes[1] & ~mask) | (val & mask);
-		} else {
-			if (subaddr + 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
-				v4l2_info(sd,
-					"Tried to access a non-existent register: %d\n",
-					subaddr);
-				return -EINVAL;
-			}
-
-			val = (chip->shadow.bytes[subaddr+1] & ~mask) | (val & mask);
-		}
-	}
-	return chip_write(chip, subaddr, val);
-}
-
-static int chip_read(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	struct i2c_client *c = v4l2_get_subdevdata(sd);
-	unsigned char buffer;
-
-	if (1 != i2c_master_recv(c, &buffer, 1)) {
-		v4l2_warn(sd, "I/O error (read)\n");
-		return -1;
-	}
-	v4l2_dbg(1, debug, sd, "chip_read: 0x%x\n", buffer);
-	return buffer;
-}
-
-static int chip_read2(struct CHIPSTATE *chip, int subaddr)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	struct i2c_client *c = v4l2_get_subdevdata(sd);
-	unsigned char write[1];
-	unsigned char read[1];
-	struct i2c_msg msgs[2] = {
-		{ c->addr, 0,        1, write },
-		{ c->addr, I2C_M_RD, 1, read  }
-	};
-
-	write[0] = subaddr;
-
-	if (2 != i2c_transfer(c->adapter, msgs, 2)) {
-		v4l2_warn(sd, "I/O error (read2)\n");
-		return -1;
-	}
-	v4l2_dbg(1, debug, sd, "chip_read2: reg%d=0x%x\n",
-		subaddr, read[0]);
-	return read[0];
-}
-
-static int chip_cmd(struct CHIPSTATE *chip, char *name, audiocmd *cmd)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	struct i2c_client *c = v4l2_get_subdevdata(sd);
-	int i;
-
-	if (0 == cmd->count)
-		return 0;
-
-	if (cmd->count + cmd->bytes[0] - 1 >= ARRAY_SIZE(chip->shadow.bytes)) {
-		v4l2_info(sd,
-			 "Tried to access a non-existent register range: %d to %d\n",
-			 cmd->bytes[0] + 1, cmd->bytes[0] + cmd->count - 1);
-		return -EINVAL;
-	}
-
-	/* FIXME: it seems that the shadow bytes are wrong bellow !*/
-
-	/* update our shadow register set; print bytes if (debug > 0) */
-	v4l2_dbg(1, debug, sd, "chip_cmd(%s): reg=%d, data:",
-		name, cmd->bytes[0]);
-	for (i = 1; i < cmd->count; i++) {
-		if (debug)
-			printk(KERN_CONT " 0x%x", cmd->bytes[i]);
-		chip->shadow.bytes[i+cmd->bytes[0]] = cmd->bytes[i];
-	}
-	if (debug)
-		printk(KERN_CONT "\n");
-
-	/* send data to the chip */
-	if (cmd->count != i2c_master_send(c, cmd->bytes, cmd->count)) {
-		v4l2_warn(sd, "I/O error (%s)\n", name);
-		return -1;
-	}
-	return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* kernel thread for doing i2c stuff asyncronly
- *   right now it is used only to check the audio mode (mono/stereo/whatever)
- *   some time after switching to another TV channel, then turn on stereo
- *   if available, ...
- */
-
-static void chip_thread_wake(unsigned long data)
-{
-	struct CHIPSTATE *chip = (struct CHIPSTATE*)data;
-	wake_up_process(chip->thread);
-}
-
-static int chip_thread(void *data)
-{
-	struct CHIPSTATE *chip = data;
-	struct CHIPDESC  *desc = chip->desc;
-	struct v4l2_subdev *sd = &chip->sd;
-	int mode, selected;
-
-	v4l2_dbg(1, debug, sd, "thread started\n");
-	set_freezable();
-	for (;;) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		if (!kthread_should_stop())
-			schedule();
-		set_current_state(TASK_RUNNING);
-		try_to_freeze();
-		if (kthread_should_stop())
-			break;
-		v4l2_dbg(1, debug, sd, "thread wakeup\n");
-
-		/* don't do anything for radio */
-		if (chip->radio)
-			continue;
-
-		/* have a look what's going on */
-		mode = desc->getrxsubchans(chip);
-		if (mode == chip->prevmode)
-			continue;
-
-		/* chip detected a new audio mode - set it */
-		v4l2_dbg(1, debug, sd, "thread checkmode\n");
-
-		chip->prevmode = mode;
-
-		selected = V4L2_TUNER_MODE_MONO;
-		switch (chip->audmode) {
-		case V4L2_TUNER_MODE_MONO:
-			if (mode & V4L2_TUNER_SUB_LANG1)
-				selected = V4L2_TUNER_MODE_LANG1;
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-		case V4L2_TUNER_MODE_LANG1:
-			if (mode & V4L2_TUNER_SUB_LANG1)
-				selected = V4L2_TUNER_MODE_LANG1;
-			else if (mode & V4L2_TUNER_SUB_STEREO)
-				selected = V4L2_TUNER_MODE_STEREO;
-			break;
-		case V4L2_TUNER_MODE_LANG2:
-			if (mode & V4L2_TUNER_SUB_LANG2)
-				selected = V4L2_TUNER_MODE_LANG2;
-			else if (mode & V4L2_TUNER_SUB_STEREO)
-				selected = V4L2_TUNER_MODE_STEREO;
-			break;
-		case V4L2_TUNER_MODE_LANG1_LANG2:
-			if (mode & V4L2_TUNER_SUB_LANG2)
-				selected = V4L2_TUNER_MODE_LANG1_LANG2;
-			else if (mode & V4L2_TUNER_SUB_STEREO)
-				selected = V4L2_TUNER_MODE_STEREO;
-		}
-		desc->setaudmode(chip, selected);
-
-		/* schedule next check */
-		mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
-	}
-
-	v4l2_dbg(1, debug, sd, "thread exiting\n");
-	return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for tda9840                */
-
-#define TDA9840_SW         0x00
-#define TDA9840_LVADJ      0x02
-#define TDA9840_STADJ      0x03
-#define TDA9840_TEST       0x04
-
-#define TDA9840_MONO       0x10
-#define TDA9840_STEREO     0x2a
-#define TDA9840_DUALA      0x12
-#define TDA9840_DUALB      0x1e
-#define TDA9840_DUALAB     0x1a
-#define TDA9840_DUALBA     0x16
-#define TDA9840_EXTERNAL   0x7a
-
-#define TDA9840_DS_DUAL    0x20 /* Dual sound identified          */
-#define TDA9840_ST_STEREO  0x40 /* Stereo sound identified        */
-#define TDA9840_PONRES     0x80 /* Power-on reset detected if = 1 */
-
-#define TDA9840_TEST_INT1SN 0x1 /* Integration time 0.5s when set */
-#define TDA9840_TEST_INTFU 0x02 /* Disables integrator function */
-
-static int tda9840_getrxsubchans(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int val, mode;
-
-	val = chip_read(chip);
-	mode = V4L2_TUNER_SUB_MONO;
-	if (val & TDA9840_DS_DUAL)
-		mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-	if (val & TDA9840_ST_STEREO)
-		mode = V4L2_TUNER_SUB_STEREO;
-
-	v4l2_dbg(1, debug, sd,
-		"tda9840_getrxsubchans(): raw chip read: %d, return: %d\n",
-		val, mode);
-	return mode;
-}
-
-static void tda9840_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	int update = 1;
-	int t = chip->shadow.bytes[TDA9840_SW + 1] & ~0x7e;
-
-	switch (mode) {
-	case V4L2_TUNER_MODE_MONO:
-		t |= TDA9840_MONO;
-		break;
-	case V4L2_TUNER_MODE_STEREO:
-		t |= TDA9840_STEREO;
-		break;
-	case V4L2_TUNER_MODE_LANG1:
-		t |= TDA9840_DUALA;
-		break;
-	case V4L2_TUNER_MODE_LANG2:
-		t |= TDA9840_DUALB;
-		break;
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		t |= TDA9840_DUALAB;
-		break;
-	default:
-		update = 0;
-	}
-
-	if (update)
-		chip_write(chip, TDA9840_SW, t);
-}
-
-static int tda9840_checkit(struct CHIPSTATE *chip)
-{
-	int rc;
-	rc = chip_read(chip);
-	/* lower 5 bits should be 0 */
-	return ((rc & 0x1f) == 0) ? 1 : 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for tda985x                */
-
-/* subaddresses for TDA9855 */
-#define TDA9855_VR	0x00 /* Volume, right */
-#define TDA9855_VL	0x01 /* Volume, left */
-#define TDA9855_BA	0x02 /* Bass */
-#define TDA9855_TR	0x03 /* Treble */
-#define TDA9855_SW	0x04 /* Subwoofer - not connected on DTV2000 */
-
-/* subaddresses for TDA9850 */
-#define TDA9850_C4	0x04 /* Control 1 for TDA9850 */
-
-/* subaddesses for both chips */
-#define TDA985x_C5	0x05 /* Control 2 for TDA9850, Control 1 for TDA9855 */
-#define TDA985x_C6	0x06 /* Control 3 for TDA9850, Control 2 for TDA9855 */
-#define TDA985x_C7	0x07 /* Control 4 for TDA9850, Control 3 for TDA9855 */
-#define TDA985x_A1	0x08 /* Alignment 1 for both chips */
-#define TDA985x_A2	0x09 /* Alignment 2 for both chips */
-#define TDA985x_A3	0x0a /* Alignment 3 for both chips */
-
-/* Masks for bits in TDA9855 subaddresses */
-/* 0x00 - VR in TDA9855 */
-/* 0x01 - VL in TDA9855 */
-/* lower 7 bits control gain from -71dB (0x28) to 16dB (0x7f)
- * in 1dB steps - mute is 0x27 */
-
-
-/* 0x02 - BA in TDA9855 */
-/* lower 5 bits control bass gain from -12dB (0x06) to 16.5dB (0x19)
- * in .5dB steps - 0 is 0x0E */
-
-
-/* 0x03 - TR in TDA9855 */
-/* 4 bits << 1 control treble gain from -12dB (0x3) to 12dB (0xb)
- * in 3dB steps - 0 is 0x7 */
-
-/* Masks for bits in both chips' subaddresses */
-/* 0x04 - SW in TDA9855, C4/Control 1 in TDA9850 */
-/* Unique to TDA9855: */
-/* 4 bits << 2 control subwoofer/surround gain from -14db (0x1) to 14db (0xf)
- * in 3dB steps - mute is 0x0 */
-
-/* Unique to TDA9850: */
-/* lower 4 bits control stereo noise threshold, over which stereo turns off
- * set to values of 0x00 through 0x0f for Ster1 through Ster16 */
-
-
-/* 0x05 - C5 - Control 1 in TDA9855 , Control 2 in TDA9850*/
-/* Unique to TDA9855: */
-#define TDA9855_MUTE	1<<7 /* GMU, Mute at outputs */
-#define TDA9855_AVL	1<<6 /* AVL, Automatic Volume Level */
-#define TDA9855_LOUD	1<<5 /* Loudness, 1==off */
-#define TDA9855_SUR	1<<3 /* Surround / Subwoofer 1==.5(L-R) 0==.5(L+R) */
-			     /* Bits 0 to 3 select various combinations
-			      * of line in and line out, only the
-			      * interesting ones are defined */
-#define TDA9855_EXT	1<<2 /* Selects inputs LIR and LIL.  Pins 41 & 12 */
-#define TDA9855_INT	0    /* Selects inputs LOR and LOL.  (internal) */
-
-/* Unique to TDA9850:  */
-/* lower 4 bits contol SAP noise threshold, over which SAP turns off
- * set to values of 0x00 through 0x0f for SAP1 through SAP16 */
-
-
-/* 0x06 - C6 - Control 2 in TDA9855, Control 3 in TDA9850 */
-/* Common to TDA9855 and TDA9850: */
-#define TDA985x_SAP	3<<6 /* Selects SAP output, mute if not received */
-#define TDA985x_MONOSAP	2<<6 /* Selects Mono on left, SAP on right */
-#define TDA985x_STEREO	1<<6 /* Selects Stereo ouput, mono if not received */
-#define TDA985x_MONO	0    /* Forces Mono output */
-#define TDA985x_LMU	1<<3 /* Mute (LOR/LOL for 9855, OUTL/OUTR for 9850) */
-
-/* Unique to TDA9855: */
-#define TDA9855_TZCM	1<<5 /* If set, don't mute till zero crossing */
-#define TDA9855_VZCM	1<<4 /* If set, don't change volume till zero crossing*/
-#define TDA9855_LINEAR	0    /* Linear Stereo */
-#define TDA9855_PSEUDO	1    /* Pseudo Stereo */
-#define TDA9855_SPAT_30	2    /* Spatial Stereo, 30% anti-phase crosstalk */
-#define TDA9855_SPAT_50	3    /* Spatial Stereo, 52% anti-phase crosstalk */
-#define TDA9855_E_MONO	7    /* Forced mono - mono select elseware, so useless*/
-
-/* 0x07 - C7 - Control 3 in TDA9855, Control 4 in TDA9850 */
-/* Common to both TDA9855 and TDA9850: */
-/* lower 4 bits control input gain from -3.5dB (0x0) to 4dB (0xF)
- * in .5dB steps -  0dB is 0x7 */
-
-/* 0x08, 0x09 - A1 and A2 (read/write) */
-/* Common to both TDA9855 and TDA9850: */
-/* lower 5 bites are wideband and spectral expander alignment
- * from 0x00 to 0x1f - nominal at 0x0f and 0x10 (read/write) */
-#define TDA985x_STP	1<<5 /* Stereo Pilot/detect (read-only) */
-#define TDA985x_SAPP	1<<6 /* SAP Pilot/detect (read-only) */
-#define TDA985x_STS	1<<7 /* Stereo trigger 1= <35mV 0= <30mV (write-only)*/
-
-/* 0x0a - A3 */
-/* Common to both TDA9855 and TDA9850: */
-/* lower 3 bits control timing current for alignment: -30% (0x0), -20% (0x1),
- * -10% (0x2), nominal (0x3), +10% (0x6), +20% (0x5), +30% (0x4) */
-#define TDA985x_ADJ	1<<7 /* Stereo adjust on/off (wideband and spectral */
-
-static int tda9855_volume(int val) { return val/0x2e8+0x27; }
-static int tda9855_bass(int val)   { return val/0xccc+0x06; }
-static int tda9855_treble(int val) { return (val/0x1c71+0x3)<<1; }
-
-static int  tda985x_getrxsubchans(struct CHIPSTATE *chip)
-{
-	int mode, val;
-
-	/* Add mono mode regardless of SAP and stereo */
-	/* Allows forced mono */
-	mode = V4L2_TUNER_SUB_MONO;
-	val = chip_read(chip);
-	if (val & TDA985x_STP)
-		mode = V4L2_TUNER_SUB_STEREO;
-	if (val & TDA985x_SAPP)
-		mode |= V4L2_TUNER_SUB_SAP;
-	return mode;
-}
-
-static void tda985x_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	int update = 1;
-	int c6 = chip->shadow.bytes[TDA985x_C6+1] & 0x3f;
-
-	switch (mode) {
-	case V4L2_TUNER_MODE_MONO:
-		c6 |= TDA985x_MONO;
-		break;
-	case V4L2_TUNER_MODE_STEREO:
-	case V4L2_TUNER_MODE_LANG1:
-		c6 |= TDA985x_STEREO;
-		break;
-	case V4L2_TUNER_MODE_SAP:
-		c6 |= TDA985x_SAP;
-		break;
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		c6 |= TDA985x_MONOSAP;
-		break;
-	default:
-		update = 0;
-	}
-	if (update)
-		chip_write(chip,TDA985x_C6,c6);
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for tda9873h               */
-
-/* Subaddresses for TDA9873H */
-
-#define TDA9873_SW	0x00 /* Switching                    */
-#define TDA9873_AD	0x01 /* Adjust                       */
-#define TDA9873_PT	0x02 /* Port                         */
-
-/* Subaddress 0x00: Switching Data
- * B7..B0:
- *
- * B1, B0: Input source selection
- *  0,  0  internal
- *  1,  0  external stereo
- *  0,  1  external mono
- */
-#define TDA9873_INP_MASK    3
-#define TDA9873_INTERNAL    0
-#define TDA9873_EXT_STEREO  2
-#define TDA9873_EXT_MONO    1
-
-/*    B3, B2: output signal select
- * B4    : transmission mode
- *  0, 0, 1   Mono
- *  1, 0, 0   Stereo
- *  1, 1, 1   Stereo (reversed channel)
- *  0, 0, 0   Dual AB
- *  0, 0, 1   Dual AA
- *  0, 1, 0   Dual BB
- *  0, 1, 1   Dual BA
- */
-
-#define TDA9873_TR_MASK     (7 << 2)
-#define TDA9873_TR_MONO     4
-#define TDA9873_TR_STEREO   1 << 4
-#define TDA9873_TR_REVERSE  ((1 << 3) | (1 << 2))
-#define TDA9873_TR_DUALA    1 << 2
-#define TDA9873_TR_DUALB    1 << 3
-#define TDA9873_TR_DUALAB   0
-
-/* output level controls
- * B5:  output level switch (0 = reduced gain, 1 = normal gain)
- * B6:  mute                (1 = muted)
- * B7:  auto-mute           (1 = auto-mute enabled)
- */
-
-#define TDA9873_GAIN_NORMAL 1 << 5
-#define TDA9873_MUTE        1 << 6
-#define TDA9873_AUTOMUTE    1 << 7
-
-/* Subaddress 0x01:  Adjust/standard */
-
-/* Lower 4 bits (C3..C0) control stereo adjustment on R channel (-0.6 - +0.7 dB)
- * Recommended value is +0 dB
- */
-
-#define	TDA9873_STEREO_ADJ	0x06 /* 0dB gain */
-
-/* Bits C6..C4 control FM stantard
- * C6, C5, C4
- *  0,  0,  0   B/G (PAL FM)
- *  0,  0,  1   M
- *  0,  1,  0   D/K(1)
- *  0,  1,  1   D/K(2)
- *  1,  0,  0   D/K(3)
- *  1,  0,  1   I
- */
-#define TDA9873_BG		0
-#define TDA9873_M       1
-#define TDA9873_DK1     2
-#define TDA9873_DK2     3
-#define TDA9873_DK3     4
-#define TDA9873_I       5
-
-/* C7 controls identification response time (1=fast/0=normal)
- */
-#define TDA9873_IDR_NORM 0
-#define TDA9873_IDR_FAST 1 << 7
-
-
-/* Subaddress 0x02: Port data */
-
-/* E1, E0   free programmable ports P1/P2
-    0,  0   both ports low
-    0,  1   P1 high
-    1,  0   P2 high
-    1,  1   both ports high
-*/
-
-#define TDA9873_PORTS    3
-
-/* E2: test port */
-#define TDA9873_TST_PORT 1 << 2
-
-/* E5..E3 control mono output channel (together with transmission mode bit B4)
- *
- * E5 E4 E3 B4     OUTM
- *  0  0  0  0     mono
- *  0  0  1  0     DUAL B
- *  0  1  0  1     mono (from stereo decoder)
- */
-#define TDA9873_MOUT_MONO   0
-#define TDA9873_MOUT_FMONO  0
-#define TDA9873_MOUT_DUALA  0
-#define TDA9873_MOUT_DUALB  1 << 3
-#define TDA9873_MOUT_ST     1 << 4
-#define TDA9873_MOUT_EXTM   ((1 << 4) | (1 << 3))
-#define TDA9873_MOUT_EXTL   1 << 5
-#define TDA9873_MOUT_EXTR   ((1 << 5) | (1 << 3))
-#define TDA9873_MOUT_EXTLR  ((1 << 5) | (1 << 4))
-#define TDA9873_MOUT_MUTE   ((1 << 5) | (1 << 4) | (1 << 3))
-
-/* Status bits: (chip read) */
-#define TDA9873_PONR        0 /* Power-on reset detected if = 1 */
-#define TDA9873_STEREO      2 /* Stereo sound is identified     */
-#define TDA9873_DUAL        4 /* Dual sound is identified       */
-
-static int tda9873_getrxsubchans(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int val,mode;
-
-	val = chip_read(chip);
-	mode = V4L2_TUNER_SUB_MONO;
-	if (val & TDA9873_STEREO)
-		mode = V4L2_TUNER_SUB_STEREO;
-	if (val & TDA9873_DUAL)
-		mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-	v4l2_dbg(1, debug, sd,
-		"tda9873_getrxsubchans(): raw chip read: %d, return: %d\n",
-		val, mode);
-	return mode;
-}
-
-static void tda9873_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int sw_data  = chip->shadow.bytes[TDA9873_SW+1] & ~ TDA9873_TR_MASK;
-	/*	int adj_data = chip->shadow.bytes[TDA9873_AD+1] ; */
-
-	if ((sw_data & TDA9873_INP_MASK) != TDA9873_INTERNAL) {
-		v4l2_dbg(1, debug, sd,
-			 "tda9873_setaudmode(): external input\n");
-		return;
-	}
-
-	v4l2_dbg(1, debug, sd,
-		 "tda9873_setaudmode(): chip->shadow.bytes[%d] = %d\n",
-		 TDA9873_SW+1, chip->shadow.bytes[TDA9873_SW+1]);
-	v4l2_dbg(1, debug, sd, "tda9873_setaudmode(): sw_data  = %d\n",
-		 sw_data);
-
-	switch (mode) {
-	case V4L2_TUNER_MODE_MONO:
-		sw_data |= TDA9873_TR_MONO;
-		break;
-	case V4L2_TUNER_MODE_STEREO:
-		sw_data |= TDA9873_TR_STEREO;
-		break;
-	case V4L2_TUNER_MODE_LANG1:
-		sw_data |= TDA9873_TR_DUALA;
-		break;
-	case V4L2_TUNER_MODE_LANG2:
-		sw_data |= TDA9873_TR_DUALB;
-		break;
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		sw_data |= TDA9873_TR_DUALAB;
-		break;
-	default:
-		return;
-	}
-
-	chip_write(chip, TDA9873_SW, sw_data);
-	v4l2_dbg(1, debug, sd,
-		"tda9873_setaudmode(): req. mode %d; chip_write: %d\n",
-		mode, sw_data);
-}
-
-static int tda9873_checkit(struct CHIPSTATE *chip)
-{
-	int rc;
-
-	if (-1 == (rc = chip_read2(chip,254)))
-		return 0;
-	return (rc & ~0x1f) == 0x80;
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* audio chip description - defines+functions for tda9874h and tda9874a   */
-/* Dariusz Kowalewski <darekk@automex.pl>                                 */
-
-/* Subaddresses for TDA9874H and TDA9874A (slave rx) */
-#define TDA9874A_AGCGR		0x00	/* AGC gain */
-#define TDA9874A_GCONR		0x01	/* general config */
-#define TDA9874A_MSR		0x02	/* monitor select */
-#define TDA9874A_C1FRA		0x03	/* carrier 1 freq. */
-#define TDA9874A_C1FRB		0x04	/* carrier 1 freq. */
-#define TDA9874A_C1FRC		0x05	/* carrier 1 freq. */
-#define TDA9874A_C2FRA		0x06	/* carrier 2 freq. */
-#define TDA9874A_C2FRB		0x07	/* carrier 2 freq. */
-#define TDA9874A_C2FRC		0x08	/* carrier 2 freq. */
-#define TDA9874A_DCR		0x09	/* demodulator config */
-#define TDA9874A_FMER		0x0a	/* FM de-emphasis */
-#define TDA9874A_FMMR		0x0b	/* FM dematrix */
-#define TDA9874A_C1OLAR		0x0c	/* ch.1 output level adj. */
-#define TDA9874A_C2OLAR		0x0d	/* ch.2 output level adj. */
-#define TDA9874A_NCONR		0x0e	/* NICAM config */
-#define TDA9874A_NOLAR		0x0f	/* NICAM output level adj. */
-#define TDA9874A_NLELR		0x10	/* NICAM lower error limit */
-#define TDA9874A_NUELR		0x11	/* NICAM upper error limit */
-#define TDA9874A_AMCONR		0x12	/* audio mute control */
-#define TDA9874A_SDACOSR	0x13	/* stereo DAC output select */
-#define TDA9874A_AOSR		0x14	/* analog output select */
-#define TDA9874A_DAICONR	0x15	/* digital audio interface config */
-#define TDA9874A_I2SOSR		0x16	/* I2S-bus output select */
-#define TDA9874A_I2SOLAR	0x17	/* I2S-bus output level adj. */
-#define TDA9874A_MDACOSR	0x18	/* mono DAC output select (tda9874a) */
-#define TDA9874A_ESP		0xFF	/* easy standard progr. (tda9874a) */
-
-/* Subaddresses for TDA9874H and TDA9874A (slave tx) */
-#define TDA9874A_DSR		0x00	/* device status */
-#define TDA9874A_NSR		0x01	/* NICAM status */
-#define TDA9874A_NECR		0x02	/* NICAM error count */
-#define TDA9874A_DR1		0x03	/* add. data LSB */
-#define TDA9874A_DR2		0x04	/* add. data MSB */
-#define TDA9874A_LLRA		0x05	/* monitor level read-out LSB */
-#define TDA9874A_LLRB		0x06	/* monitor level read-out MSB */
-#define TDA9874A_SIFLR		0x07	/* SIF level */
-#define TDA9874A_TR2		252	/* test reg. 2 */
-#define TDA9874A_TR1		253	/* test reg. 1 */
-#define TDA9874A_DIC		254	/* device id. code */
-#define TDA9874A_SIC		255	/* software id. code */
-
-
-static int tda9874a_mode = 1;		/* 0: A2, 1: NICAM */
-static int tda9874a_GCONR = 0xc0;	/* default config. input pin: SIFSEL=0 */
-static int tda9874a_NCONR = 0x01;	/* default NICAM config.: AMSEL=0,AMUTE=1 */
-static int tda9874a_ESP = 0x07;		/* default standard: NICAM D/K */
-static int tda9874a_dic = -1;		/* device id. code */
-
-/* insmod options for tda9874a */
-static unsigned int tda9874a_SIF   = UNSET;
-static unsigned int tda9874a_AMSEL = UNSET;
-static unsigned int tda9874a_STD   = UNSET;
-module_param(tda9874a_SIF, int, 0444);
-module_param(tda9874a_AMSEL, int, 0444);
-module_param(tda9874a_STD, int, 0444);
-
-/*
- * initialization table for tda9874 decoder:
- *  - carrier 1 freq. registers (3 bytes)
- *  - carrier 2 freq. registers (3 bytes)
- *  - demudulator config register
- *  - FM de-emphasis register (slow identification mode)
- * Note: frequency registers must be written in single i2c transfer.
- */
-static struct tda9874a_MODES {
-	char *name;
-	audiocmd cmd;
-} tda9874a_modelist[9] = {
-  {	"A2, B/G", /* default */
-	{ 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x77,0xA0,0x00, 0x00,0x00 }} },
-  {	"A2, M (Korea)",
-	{ 9, { TDA9874A_C1FRA, 0x5D,0xC0,0x00, 0x62,0x6A,0xAA, 0x20,0x22 }} },
-  {	"A2, D/K (1)",
-	{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x82,0x60,0x00, 0x00,0x00 }} },
-  {	"A2, D/K (2)",
-	{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x8C,0x75,0x55, 0x00,0x00 }} },
-  {	"A2, D/K (3)",
-	{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x77,0xA0,0x00, 0x00,0x00 }} },
-  {	"NICAM, I",
-	{ 9, { TDA9874A_C1FRA, 0x7D,0x00,0x00, 0x88,0x8A,0xAA, 0x08,0x33 }} },
-  {	"NICAM, B/G",
-	{ 9, { TDA9874A_C1FRA, 0x72,0x95,0x55, 0x79,0xEA,0xAA, 0x08,0x33 }} },
-  {	"NICAM, D/K",
-	{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x08,0x33 }} },
-  {	"NICAM, L",
-	{ 9, { TDA9874A_C1FRA, 0x87,0x6A,0xAA, 0x79,0xEA,0xAA, 0x09,0x33 }} }
-};
-
-static int tda9874a_setup(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-
-	chip_write(chip, TDA9874A_AGCGR, 0x00); /* 0 dB */
-	chip_write(chip, TDA9874A_GCONR, tda9874a_GCONR);
-	chip_write(chip, TDA9874A_MSR, (tda9874a_mode) ? 0x03:0x02);
-	if(tda9874a_dic == 0x11) {
-		chip_write(chip, TDA9874A_FMMR, 0x80);
-	} else { /* dic == 0x07 */
-		chip_cmd(chip,"tda9874_modelist",&tda9874a_modelist[tda9874a_STD].cmd);
-		chip_write(chip, TDA9874A_FMMR, 0x00);
-	}
-	chip_write(chip, TDA9874A_C1OLAR, 0x00); /* 0 dB */
-	chip_write(chip, TDA9874A_C2OLAR, 0x00); /* 0 dB */
-	chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
-	chip_write(chip, TDA9874A_NOLAR, 0x00); /* 0 dB */
-	/* Note: If signal quality is poor you may want to change NICAM */
-	/* error limit registers (NLELR and NUELR) to some greater values. */
-	/* Then the sound would remain stereo, but won't be so clear. */
-	chip_write(chip, TDA9874A_NLELR, 0x14); /* default */
-	chip_write(chip, TDA9874A_NUELR, 0x50); /* default */
-
-	if(tda9874a_dic == 0x11) {
-		chip_write(chip, TDA9874A_AMCONR, 0xf9);
-		chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
-		chip_write(chip, TDA9874A_AOSR, 0x80);
-		chip_write(chip, TDA9874A_MDACOSR, (tda9874a_mode) ? 0x82:0x80);
-		chip_write(chip, TDA9874A_ESP, tda9874a_ESP);
-	} else { /* dic == 0x07 */
-		chip_write(chip, TDA9874A_AMCONR, 0xfb);
-		chip_write(chip, TDA9874A_SDACOSR, (tda9874a_mode) ? 0x81:0x80);
-		chip_write(chip, TDA9874A_AOSR, 0x00); /* or 0x10 */
-	}
-	v4l2_dbg(1, debug, sd, "tda9874a_setup(): %s [0x%02X].\n",
-		tda9874a_modelist[tda9874a_STD].name,tda9874a_STD);
-	return 1;
-}
-
-static int tda9874a_getrxsubchans(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int dsr,nsr,mode;
-	int necr; /* just for debugging */
-
-	mode = V4L2_TUNER_SUB_MONO;
-
-	if(-1 == (dsr = chip_read2(chip,TDA9874A_DSR)))
-		return mode;
-	if(-1 == (nsr = chip_read2(chip,TDA9874A_NSR)))
-		return mode;
-	if(-1 == (necr = chip_read2(chip,TDA9874A_NECR)))
-		return mode;
-
-	/* need to store dsr/nsr somewhere */
-	chip->shadow.bytes[MAXREGS-2] = dsr;
-	chip->shadow.bytes[MAXREGS-1] = nsr;
-
-	if(tda9874a_mode) {
-		/* Note: DSR.RSSF and DSR.AMSTAT bits are also checked.
-		 * If NICAM auto-muting is enabled, DSR.AMSTAT=1 indicates
-		 * that sound has (temporarily) switched from NICAM to
-		 * mono FM (or AM) on 1st sound carrier due to high NICAM bit
-		 * error count. So in fact there is no stereo in this case :-(
-		 * But changing the mode to V4L2_TUNER_MODE_MONO would switch
-		 * external 4052 multiplexer in audio_hook().
-		 */
-		if(nsr & 0x02) /* NSR.S/MB=1 */
-			mode = V4L2_TUNER_SUB_STEREO;
-		if(nsr & 0x01) /* NSR.D/SB=1 */
-			mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-	} else {
-		if(dsr & 0x02) /* DSR.IDSTE=1 */
-			mode = V4L2_TUNER_SUB_STEREO;
-		if(dsr & 0x04) /* DSR.IDDUA=1 */
-			mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-	}
-
-	v4l2_dbg(1, debug, sd,
-		 "tda9874a_getrxsubchans(): DSR=0x%X, NSR=0x%X, NECR=0x%X, return: %d.\n",
-		 dsr, nsr, necr, mode);
-	return mode;
-}
-
-static void tda9874a_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-
-	/* Disable/enable NICAM auto-muting (based on DSR.RSSF status bit). */
-	/* If auto-muting is disabled, we can hear a signal of degrading quality. */
-	if (tda9874a_mode) {
-		if(chip->shadow.bytes[MAXREGS-2] & 0x20) /* DSR.RSSF=1 */
-			tda9874a_NCONR &= 0xfe; /* enable */
-		else
-			tda9874a_NCONR |= 0x01; /* disable */
-		chip_write(chip, TDA9874A_NCONR, tda9874a_NCONR);
-	}
-
-	/* Note: TDA9874A supports automatic FM dematrixing (FMMR register)
-	 * and has auto-select function for audio output (AOSR register).
-	 * Old TDA9874H doesn't support these features.
-	 * TDA9874A also has additional mono output pin (OUTM), which
-	 * on same (all?) tv-cards is not used, anyway (as well as MONOIN).
-	 */
-	if(tda9874a_dic == 0x11) {
-		int aosr = 0x80;
-		int mdacosr = (tda9874a_mode) ? 0x82:0x80;
-
-		switch(mode) {
-		case V4L2_TUNER_MODE_MONO:
-		case V4L2_TUNER_MODE_STEREO:
-			break;
-		case V4L2_TUNER_MODE_LANG1:
-			aosr = 0x80; /* auto-select, dual A/A */
-			mdacosr = (tda9874a_mode) ? 0x82:0x80;
-			break;
-		case V4L2_TUNER_MODE_LANG2:
-			aosr = 0xa0; /* auto-select, dual B/B */
-			mdacosr = (tda9874a_mode) ? 0x83:0x81;
-			break;
-		case V4L2_TUNER_MODE_LANG1_LANG2:
-			aosr = 0x00; /* always route L to L and R to R */
-			mdacosr = (tda9874a_mode) ? 0x82:0x80;
-			break;
-		default:
-			return;
-		}
-		chip_write(chip, TDA9874A_AOSR, aosr);
-		chip_write(chip, TDA9874A_MDACOSR, mdacosr);
-
-		v4l2_dbg(1, debug, sd,
-			"tda9874a_setaudmode(): req. mode %d; AOSR=0x%X, MDACOSR=0x%X.\n",
-			mode, aosr, mdacosr);
-
-	} else { /* dic == 0x07 */
-		int fmmr,aosr;
-
-		switch(mode) {
-		case V4L2_TUNER_MODE_MONO:
-			fmmr = 0x00; /* mono */
-			aosr = 0x10; /* A/A */
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-			if(tda9874a_mode) {
-				fmmr = 0x00;
-				aosr = 0x00; /* handled by NICAM auto-mute */
-			} else {
-				fmmr = (tda9874a_ESP == 1) ? 0x05 : 0x04; /* stereo */
-				aosr = 0x00;
-			}
-			break;
-		case V4L2_TUNER_MODE_LANG1:
-			fmmr = 0x02; /* dual */
-			aosr = 0x10; /* dual A/A */
-			break;
-		case V4L2_TUNER_MODE_LANG2:
-			fmmr = 0x02; /* dual */
-			aosr = 0x20; /* dual B/B */
-			break;
-		case V4L2_TUNER_MODE_LANG1_LANG2:
-			fmmr = 0x02; /* dual */
-			aosr = 0x00; /* dual A/B */
-			break;
-		default:
-			return;
-		}
-		chip_write(chip, TDA9874A_FMMR, fmmr);
-		chip_write(chip, TDA9874A_AOSR, aosr);
-
-		v4l2_dbg(1, debug, sd,
-			"tda9874a_setaudmode(): req. mode %d; FMMR=0x%X, AOSR=0x%X.\n",
-			mode, fmmr, aosr);
-	}
-}
-
-static int tda9874a_checkit(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int dic,sic;	/* device id. and software id. codes */
-
-	if(-1 == (dic = chip_read2(chip,TDA9874A_DIC)))
-		return 0;
-	if(-1 == (sic = chip_read2(chip,TDA9874A_SIC)))
-		return 0;
-
-	v4l2_dbg(1, debug, sd, "tda9874a_checkit(): DIC=0x%X, SIC=0x%X.\n", dic, sic);
-
-	if((dic == 0x11)||(dic == 0x07)) {
-		v4l2_info(sd, "found tda9874%s.\n", (dic == 0x11) ? "a" : "h");
-		tda9874a_dic = dic;	/* remember device id. */
-		return 1;
-	}
-	return 0;	/* not found */
-}
-
-static int tda9874a_initialize(struct CHIPSTATE *chip)
-{
-	if (tda9874a_SIF > 2)
-		tda9874a_SIF = 1;
-	if (tda9874a_STD >= ARRAY_SIZE(tda9874a_modelist))
-		tda9874a_STD = 0;
-	if(tda9874a_AMSEL > 1)
-		tda9874a_AMSEL = 0;
-
-	if(tda9874a_SIF == 1)
-		tda9874a_GCONR = 0xc0;	/* sound IF input 1 */
-	else
-		tda9874a_GCONR = 0xc1;	/* sound IF input 2 */
-
-	tda9874a_ESP = tda9874a_STD;
-	tda9874a_mode = (tda9874a_STD < 5) ? 0 : 1;
-
-	if(tda9874a_AMSEL == 0)
-		tda9874a_NCONR = 0x01; /* auto-mute: analog mono input */
-	else
-		tda9874a_NCONR = 0x05; /* auto-mute: 1st carrier FM or AM */
-
-	tda9874a_setup(chip);
-	return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* audio chip description - defines+functions for tda9875                 */
-/* The TDA9875 is made by Philips Semiconductor
- * http://www.semiconductors.philips.com
- * TDA9875: I2C-bus controlled DSP audio processor, FM demodulator
- *
- */
-
-/* subaddresses for TDA9875 */
-#define TDA9875_MUT         0x12  /*General mute  (value --> 0b11001100*/
-#define TDA9875_CFG         0x01  /* Config register (value --> 0b00000000 */
-#define TDA9875_DACOS       0x13  /*DAC i/o select (ADC) 0b0000100*/
-#define TDA9875_LOSR        0x16  /*Line output select regirter 0b0100 0001*/
-
-#define TDA9875_CH1V        0x0c  /*Channel 1 volume (mute)*/
-#define TDA9875_CH2V        0x0d  /*Channel 2 volume (mute)*/
-#define TDA9875_SC1         0x14  /*SCART 1 in (mono)*/
-#define TDA9875_SC2         0x15  /*SCART 2 in (mono)*/
-
-#define TDA9875_ADCIS       0x17  /*ADC input select (mono) 0b0110 000*/
-#define TDA9875_AER         0x19  /*Audio effect (AVL+Pseudo) 0b0000 0110*/
-#define TDA9875_MCS         0x18  /*Main channel select (DAC) 0b0000100*/
-#define TDA9875_MVL         0x1a  /* Main volume gauche */
-#define TDA9875_MVR         0x1b  /* Main volume droite */
-#define TDA9875_MBA         0x1d  /* Main Basse */
-#define TDA9875_MTR         0x1e  /* Main treble */
-#define TDA9875_ACS         0x1f  /* Auxiliary channel select (FM) 0b0000000*/
-#define TDA9875_AVL         0x20  /* Auxiliary volume gauche */
-#define TDA9875_AVR         0x21  /* Auxiliary volume droite */
-#define TDA9875_ABA         0x22  /* Auxiliary Basse */
-#define TDA9875_ATR         0x23  /* Auxiliary treble */
-
-#define TDA9875_MSR         0x02  /* Monitor select register */
-#define TDA9875_C1MSB       0x03  /* Carrier 1 (FM) frequency register MSB */
-#define TDA9875_C1MIB       0x04  /* Carrier 1 (FM) frequency register (16-8]b */
-#define TDA9875_C1LSB       0x05  /* Carrier 1 (FM) frequency register LSB */
-#define TDA9875_C2MSB       0x06  /* Carrier 2 (nicam) frequency register MSB */
-#define TDA9875_C2MIB       0x07  /* Carrier 2 (nicam) frequency register (16-8]b */
-#define TDA9875_C2LSB       0x08  /* Carrier 2 (nicam) frequency register LSB */
-#define TDA9875_DCR         0x09  /* Demodulateur configuration regirter*/
-#define TDA9875_DEEM        0x0a  /* FM de-emphasis regirter*/
-#define TDA9875_FMAT        0x0b  /* FM Matrix regirter*/
-
-/* values */
-#define TDA9875_MUTE_ON	    0xff /* general mute */
-#define TDA9875_MUTE_OFF    0xcc /* general no mute */
-
-static int tda9875_initialize(struct CHIPSTATE *chip)
-{
-	chip_write(chip, TDA9875_CFG, 0xd0); /*reg de config 0 (reset)*/
-	chip_write(chip, TDA9875_MSR, 0x03);    /* Monitor 0b00000XXX*/
-	chip_write(chip, TDA9875_C1MSB, 0x00);  /*Car1(FM) MSB XMHz*/
-	chip_write(chip, TDA9875_C1MIB, 0x00);  /*Car1(FM) MIB XMHz*/
-	chip_write(chip, TDA9875_C1LSB, 0x00);  /*Car1(FM) LSB XMHz*/
-	chip_write(chip, TDA9875_C2MSB, 0x00);  /*Car2(NICAM) MSB XMHz*/
-	chip_write(chip, TDA9875_C2MIB, 0x00);  /*Car2(NICAM) MIB XMHz*/
-	chip_write(chip, TDA9875_C2LSB, 0x00);  /*Car2(NICAM) LSB XMHz*/
-	chip_write(chip, TDA9875_DCR, 0x00);    /*Demod config 0x00*/
-	chip_write(chip, TDA9875_DEEM, 0x44);   /*DE-Emph 0b0100 0100*/
-	chip_write(chip, TDA9875_FMAT, 0x00);   /*FM Matrix reg 0x00*/
-	chip_write(chip, TDA9875_SC1, 0x00);    /* SCART 1 (SC1)*/
-	chip_write(chip, TDA9875_SC2, 0x01);    /* SCART 2 (sc2)*/
-
-	chip_write(chip, TDA9875_CH1V, 0x10);  /* Channel volume 1 mute*/
-	chip_write(chip, TDA9875_CH2V, 0x10);  /* Channel volume 2 mute */
-	chip_write(chip, TDA9875_DACOS, 0x02); /* sig DAC i/o(in:nicam)*/
-	chip_write(chip, TDA9875_ADCIS, 0x6f); /* sig ADC input(in:mono)*/
-	chip_write(chip, TDA9875_LOSR, 0x00);  /* line out (in:mono)*/
-	chip_write(chip, TDA9875_AER, 0x00);   /*06 Effect (AVL+PSEUDO) */
-	chip_write(chip, TDA9875_MCS, 0x44);   /* Main ch select (DAC) */
-	chip_write(chip, TDA9875_MVL, 0x03);   /* Vol Main left 10dB */
-	chip_write(chip, TDA9875_MVR, 0x03);   /* Vol Main right 10dB*/
-	chip_write(chip, TDA9875_MBA, 0x00);   /* Main Bass Main 0dB*/
-	chip_write(chip, TDA9875_MTR, 0x00);   /* Main Treble Main 0dB*/
-	chip_write(chip, TDA9875_ACS, 0x44);   /* Aux chan select (dac)*/
-	chip_write(chip, TDA9875_AVL, 0x00);   /* Vol Aux left 0dB*/
-	chip_write(chip, TDA9875_AVR, 0x00);   /* Vol Aux right 0dB*/
-	chip_write(chip, TDA9875_ABA, 0x00);   /* Aux Bass Main 0dB*/
-	chip_write(chip, TDA9875_ATR, 0x00);   /* Aux Aigus Main 0dB*/
-
-	chip_write(chip, TDA9875_MUT, 0xcc);   /* General mute  */
-	return 0;
-}
-
-static int tda9875_volume(int val) { return (unsigned char)(val / 602 - 84); }
-static int tda9875_bass(int val) { return (unsigned char)(max(-12, val / 2115 - 15)); }
-static int tda9875_treble(int val) { return (unsigned char)(val / 2622 - 12); }
-
-/* ----------------------------------------------------------------------- */
-
-
-/* *********************** *
- * i2c interface functions *
- * *********************** */
-
-static int tda9875_checkit(struct CHIPSTATE *chip)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int dic, rev;
-
-	dic = chip_read2(chip, 254);
-	rev = chip_read2(chip, 255);
-
-	if (dic == 0 || dic == 2) { /* tda9875 and tda9875A */
-		v4l2_info(sd, "found tda9875%s rev. %d.\n",
-			dic == 0 ? "" : "A", rev);
-		return 1;
-	}
-	return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for tea6420                */
-
-#define TEA6300_VL         0x00  /* volume left */
-#define TEA6300_VR         0x01  /* volume right */
-#define TEA6300_BA         0x02  /* bass */
-#define TEA6300_TR         0x03  /* treble */
-#define TEA6300_FA         0x04  /* fader control */
-#define TEA6300_S          0x05  /* switch register */
-				 /* values for those registers: */
-#define TEA6300_S_SA       0x01  /* stereo A input */
-#define TEA6300_S_SB       0x02  /* stereo B */
-#define TEA6300_S_SC       0x04  /* stereo C */
-#define TEA6300_S_GMU      0x80  /* general mute */
-
-#define TEA6320_V          0x00  /* volume (0-5)/loudness off (6)/zero crossing mute(7) */
-#define TEA6320_FFR        0x01  /* fader front right (0-5) */
-#define TEA6320_FFL        0x02  /* fader front left (0-5) */
-#define TEA6320_FRR        0x03  /* fader rear right (0-5) */
-#define TEA6320_FRL        0x04  /* fader rear left (0-5) */
-#define TEA6320_BA         0x05  /* bass (0-4) */
-#define TEA6320_TR         0x06  /* treble (0-4) */
-#define TEA6320_S          0x07  /* switch register */
-				 /* values for those registers: */
-#define TEA6320_S_SA       0x07  /* stereo A input */
-#define TEA6320_S_SB       0x06  /* stereo B */
-#define TEA6320_S_SC       0x05  /* stereo C */
-#define TEA6320_S_SD       0x04  /* stereo D */
-#define TEA6320_S_GMU      0x80  /* general mute */
-
-#define TEA6420_S_SA       0x00  /* stereo A input */
-#define TEA6420_S_SB       0x01  /* stereo B */
-#define TEA6420_S_SC       0x02  /* stereo C */
-#define TEA6420_S_SD       0x03  /* stereo D */
-#define TEA6420_S_SE       0x04  /* stereo E */
-#define TEA6420_S_GMU      0x05  /* general mute */
-
-static int tea6300_shift10(int val) { return val >> 10; }
-static int tea6300_shift12(int val) { return val >> 12; }
-
-/* Assumes 16bit input (values 0x3f to 0x0c are unique, values less than */
-/* 0x0c mirror those immediately higher) */
-static int tea6320_volume(int val) { return (val / (65535/(63-12)) + 12) & 0x3f; }
-static int tea6320_shift11(int val) { return val >> 11; }
-static int tea6320_initialize(struct CHIPSTATE * chip)
-{
-	chip_write(chip, TEA6320_FFR, 0x3f);
-	chip_write(chip, TEA6320_FFL, 0x3f);
-	chip_write(chip, TEA6320_FRR, 0x3f);
-	chip_write(chip, TEA6320_FRL, 0x3f);
-
-	return 0;
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for tda8425                */
-
-#define TDA8425_VL         0x00  /* volume left */
-#define TDA8425_VR         0x01  /* volume right */
-#define TDA8425_BA         0x02  /* bass */
-#define TDA8425_TR         0x03  /* treble */
-#define TDA8425_S1         0x08  /* switch functions */
-				 /* values for those registers: */
-#define TDA8425_S1_OFF     0xEE  /* audio off (mute on) */
-#define TDA8425_S1_CH1     0xCE  /* audio channel 1 (mute off) - "linear stereo" mode */
-#define TDA8425_S1_CH2     0xCF  /* audio channel 2 (mute off) - "linear stereo" mode */
-#define TDA8425_S1_MU      0x20  /* mute bit */
-#define TDA8425_S1_STEREO  0x18  /* stereo bits */
-#define TDA8425_S1_STEREO_SPATIAL 0x18 /* spatial stereo */
-#define TDA8425_S1_STEREO_LINEAR  0x08 /* linear stereo */
-#define TDA8425_S1_STEREO_PSEUDO  0x10 /* pseudo stereo */
-#define TDA8425_S1_STEREO_MONO    0x00 /* forced mono */
-#define TDA8425_S1_ML      0x06        /* language selector */
-#define TDA8425_S1_ML_SOUND_A 0x02     /* sound a */
-#define TDA8425_S1_ML_SOUND_B 0x04     /* sound b */
-#define TDA8425_S1_ML_STEREO  0x06     /* stereo */
-#define TDA8425_S1_IS      0x01        /* channel selector */
-
-
-static int tda8425_shift10(int val) { return (val >> 10) | 0xc0; }
-static int tda8425_shift12(int val) { return (val >> 12) | 0xf0; }
-
-static void tda8425_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	int s1 = chip->shadow.bytes[TDA8425_S1+1] & 0xe1;
-
-	switch (mode) {
-	case V4L2_TUNER_MODE_LANG1:
-		s1 |= TDA8425_S1_ML_SOUND_A;
-		s1 |= TDA8425_S1_STEREO_PSEUDO;
-		break;
-	case V4L2_TUNER_MODE_LANG2:
-		s1 |= TDA8425_S1_ML_SOUND_B;
-		s1 |= TDA8425_S1_STEREO_PSEUDO;
-		break;
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		s1 |= TDA8425_S1_ML_STEREO;
-		s1 |= TDA8425_S1_STEREO_LINEAR;
-		break;
-	case V4L2_TUNER_MODE_MONO:
-		s1 |= TDA8425_S1_ML_STEREO;
-		s1 |= TDA8425_S1_STEREO_MONO;
-		break;
-	case V4L2_TUNER_MODE_STEREO:
-		s1 |= TDA8425_S1_ML_STEREO;
-		s1 |= TDA8425_S1_STEREO_SPATIAL;
-		break;
-	default:
-		return;
-	}
-	chip_write(chip,TDA8425_S1,s1);
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for pic16c54 (PV951)       */
-
-/* the registers of 16C54, I2C sub address. */
-#define PIC16C54_REG_KEY_CODE     0x01	       /* Not use. */
-#define PIC16C54_REG_MISC         0x02
-
-/* bit definition of the RESET register, I2C data. */
-#define PIC16C54_MISC_RESET_REMOTE_CTL 0x01 /* bit 0, Reset to receive the key */
-					    /*        code of remote controller */
-#define PIC16C54_MISC_MTS_MAIN         0x02 /* bit 1 */
-#define PIC16C54_MISC_MTS_SAP          0x04 /* bit 2 */
-#define PIC16C54_MISC_MTS_BOTH         0x08 /* bit 3 */
-#define PIC16C54_MISC_SND_MUTE         0x10 /* bit 4, Mute Audio(Line-in and Tuner) */
-#define PIC16C54_MISC_SND_NOTMUTE      0x20 /* bit 5 */
-#define PIC16C54_MISC_SWITCH_TUNER     0x40 /* bit 6	, Switch to Line-in */
-#define PIC16C54_MISC_SWITCH_LINE      0x80 /* bit 7	, Switch to Tuner */
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - defines+functions for TA8874Z                */
-
-/* write 1st byte */
-#define TA8874Z_LED_STE	0x80
-#define TA8874Z_LED_BIL	0x40
-#define TA8874Z_LED_EXT	0x20
-#define TA8874Z_MONO_SET	0x10
-#define TA8874Z_MUTE	0x08
-#define TA8874Z_F_MONO	0x04
-#define TA8874Z_MODE_SUB	0x02
-#define TA8874Z_MODE_MAIN	0x01
-
-/* write 2nd byte */
-/*#define TA8874Z_TI	0x80  */ /* test mode */
-#define TA8874Z_SEPARATION	0x3f
-#define TA8874Z_SEPARATION_DEFAULT	0x10
-
-/* read */
-#define TA8874Z_B1	0x80
-#define TA8874Z_B0	0x40
-#define TA8874Z_CHAG_FLAG	0x20
-
-/*
- *        B1 B0
- * mono    L  H
- * stereo  L  L
- * BIL     H  L
- */
-static int ta8874z_getrxsubchans(struct CHIPSTATE *chip)
-{
-	int val, mode;
-
-	val = chip_read(chip);
-	mode = V4L2_TUNER_SUB_MONO;
-	if (val & TA8874Z_B1){
-		mode |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-	}else if (!(val & TA8874Z_B0)){
-		mode = V4L2_TUNER_SUB_STEREO;
-	}
-	/* v4l2_dbg(1, debug, &chip->sd,
-		 "ta8874z_getrxsubchans(): raw chip read: 0x%02x, return: 0x%02x\n",
-		 val, mode); */
-	return mode;
-}
-
-static audiocmd ta8874z_stereo = { 2, {0, TA8874Z_SEPARATION_DEFAULT}};
-static audiocmd ta8874z_mono = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}};
-static audiocmd ta8874z_main = {2, { 0, TA8874Z_SEPARATION_DEFAULT}};
-static audiocmd ta8874z_sub = {2, { TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
-static audiocmd ta8874z_both = {2, { TA8874Z_MODE_MAIN | TA8874Z_MODE_SUB, TA8874Z_SEPARATION_DEFAULT}};
-
-static void ta8874z_setaudmode(struct CHIPSTATE *chip, int mode)
-{
-	struct v4l2_subdev *sd = &chip->sd;
-	int update = 1;
-	audiocmd *t = NULL;
-
-	v4l2_dbg(1, debug, sd, "ta8874z_setaudmode(): mode: 0x%02x\n", mode);
-
-	switch(mode){
-	case V4L2_TUNER_MODE_MONO:
-		t = &ta8874z_mono;
-		break;
-	case V4L2_TUNER_MODE_STEREO:
-		t = &ta8874z_stereo;
-		break;
-	case V4L2_TUNER_MODE_LANG1:
-		t = &ta8874z_main;
-		break;
-	case V4L2_TUNER_MODE_LANG2:
-		t = &ta8874z_sub;
-		break;
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		t = &ta8874z_both;
-		break;
-	default:
-		update = 0;
-	}
-
-	if(update)
-		chip_cmd(chip, "TA8874Z", t);
-}
-
-static int ta8874z_checkit(struct CHIPSTATE *chip)
-{
-	int rc;
-	rc = chip_read(chip);
-	return ((rc & 0x1f) == 0x1f) ? 1 : 0;
-}
-
-/* ---------------------------------------------------------------------- */
-/* audio chip descriptions - struct CHIPDESC                              */
-
-/* insmod options to enable/disable individual audio chips */
-static int tda8425  = 1;
-static int tda9840  = 1;
-static int tda9850  = 1;
-static int tda9855  = 1;
-static int tda9873  = 1;
-static int tda9874a = 1;
-static int tda9875  = 1;
-static int tea6300;	/* default 0 - address clash with msp34xx */
-static int tea6320;	/* default 0 - address clash with msp34xx */
-static int tea6420  = 1;
-static int pic16c54 = 1;
-static int ta8874z;	/* default 0 - address clash with tda9840 */
-
-module_param(tda8425, int, 0444);
-module_param(tda9840, int, 0444);
-module_param(tda9850, int, 0444);
-module_param(tda9855, int, 0444);
-module_param(tda9873, int, 0444);
-module_param(tda9874a, int, 0444);
-module_param(tda9875, int, 0444);
-module_param(tea6300, int, 0444);
-module_param(tea6320, int, 0444);
-module_param(tea6420, int, 0444);
-module_param(pic16c54, int, 0444);
-module_param(ta8874z, int, 0444);
-
-static struct CHIPDESC chiplist[] = {
-	{
-		.name       = "tda9840",
-		.insmodopt  = &tda9840,
-		.addr_lo    = I2C_ADDR_TDA9840 >> 1,
-		.addr_hi    = I2C_ADDR_TDA9840 >> 1,
-		.registers  = 5,
-		.flags      = CHIP_NEED_CHECKMODE,
-
-		/* callbacks */
-		.checkit    = tda9840_checkit,
-		.getrxsubchans = tda9840_getrxsubchans,
-		.setaudmode = tda9840_setaudmode,
-
-		.init       = { 2, { TDA9840_TEST, TDA9840_TEST_INT1SN
-				/* ,TDA9840_SW, TDA9840_MONO */} }
-	},
-	{
-		.name       = "tda9873h",
-		.insmodopt  = &tda9873,
-		.addr_lo    = I2C_ADDR_TDA985x_L >> 1,
-		.addr_hi    = I2C_ADDR_TDA985x_H >> 1,
-		.registers  = 3,
-		.flags      = CHIP_HAS_INPUTSEL | CHIP_NEED_CHECKMODE,
-
-		/* callbacks */
-		.checkit    = tda9873_checkit,
-		.getrxsubchans = tda9873_getrxsubchans,
-		.setaudmode = tda9873_setaudmode,
-
-		.init       = { 4, { TDA9873_SW, 0xa4, 0x06, 0x03 } },
-		.inputreg   = TDA9873_SW,
-		.inputmute  = TDA9873_MUTE | TDA9873_AUTOMUTE,
-		.inputmap   = {0xa0, 0xa2, 0xa0, 0xa0},
-		.inputmask  = TDA9873_INP_MASK|TDA9873_MUTE|TDA9873_AUTOMUTE,
-
-	},
-	{
-		.name       = "tda9874h/a",
-		.insmodopt  = &tda9874a,
-		.addr_lo    = I2C_ADDR_TDA9874 >> 1,
-		.addr_hi    = I2C_ADDR_TDA9874 >> 1,
-		.flags      = CHIP_NEED_CHECKMODE,
-
-		/* callbacks */
-		.initialize = tda9874a_initialize,
-		.checkit    = tda9874a_checkit,
-		.getrxsubchans = tda9874a_getrxsubchans,
-		.setaudmode = tda9874a_setaudmode,
-	},
-	{
-		.name       = "tda9875",
-		.insmodopt  = &tda9875,
-		.addr_lo    = I2C_ADDR_TDA9875 >> 1,
-		.addr_hi    = I2C_ADDR_TDA9875 >> 1,
-		.flags      = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
-
-		/* callbacks */
-		.initialize = tda9875_initialize,
-		.checkit    = tda9875_checkit,
-		.volfunc    = tda9875_volume,
-		.bassfunc   = tda9875_bass,
-		.treblefunc = tda9875_treble,
-		.leftreg    = TDA9875_MVL,
-		.rightreg   = TDA9875_MVR,
-		.bassreg    = TDA9875_MBA,
-		.treblereg  = TDA9875_MTR,
-		.leftinit   = 58880,
-		.rightinit  = 58880,
-	},
-	{
-		.name       = "tda9850",
-		.insmodopt  = &tda9850,
-		.addr_lo    = I2C_ADDR_TDA985x_L >> 1,
-		.addr_hi    = I2C_ADDR_TDA985x_H >> 1,
-		.registers  = 11,
-
-		.getrxsubchans = tda985x_getrxsubchans,
-		.setaudmode = tda985x_setaudmode,
-
-		.init       = { 8, { TDA9850_C4, 0x08, 0x08, TDA985x_STEREO, 0x07, 0x10, 0x10, 0x03 } }
-	},
-	{
-		.name       = "tda9855",
-		.insmodopt  = &tda9855,
-		.addr_lo    = I2C_ADDR_TDA985x_L >> 1,
-		.addr_hi    = I2C_ADDR_TDA985x_H >> 1,
-		.registers  = 11,
-		.flags      = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE,
-
-		.leftreg    = TDA9855_VL,
-		.rightreg   = TDA9855_VR,
-		.bassreg    = TDA9855_BA,
-		.treblereg  = TDA9855_TR,
-
-		/* callbacks */
-		.volfunc    = tda9855_volume,
-		.bassfunc   = tda9855_bass,
-		.treblefunc = tda9855_treble,
-		.getrxsubchans = tda985x_getrxsubchans,
-		.setaudmode = tda985x_setaudmode,
-
-		.init       = { 12, { 0, 0x6f, 0x6f, 0x0e, 0x07<<1, 0x8<<2,
-				    TDA9855_MUTE | TDA9855_AVL | TDA9855_LOUD | TDA9855_INT,
-				    TDA985x_STEREO | TDA9855_LINEAR | TDA9855_TZCM | TDA9855_VZCM,
-				    0x07, 0x10, 0x10, 0x03 }}
-	},
-	{
-		.name       = "tea6300",
-		.insmodopt  = &tea6300,
-		.addr_lo    = I2C_ADDR_TEA6300 >> 1,
-		.addr_hi    = I2C_ADDR_TEA6300 >> 1,
-		.registers  = 6,
-		.flags      = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
-
-		.leftreg    = TEA6300_VR,
-		.rightreg   = TEA6300_VL,
-		.bassreg    = TEA6300_BA,
-		.treblereg  = TEA6300_TR,
-
-		/* callbacks */
-		.volfunc    = tea6300_shift10,
-		.bassfunc   = tea6300_shift12,
-		.treblefunc = tea6300_shift12,
-
-		.inputreg   = TEA6300_S,
-		.inputmap   = { TEA6300_S_SA, TEA6300_S_SB, TEA6300_S_SC },
-		.inputmute  = TEA6300_S_GMU,
-	},
-	{
-		.name       = "tea6320",
-		.insmodopt  = &tea6320,
-		.addr_lo    = I2C_ADDR_TEA6300 >> 1,
-		.addr_hi    = I2C_ADDR_TEA6300 >> 1,
-		.registers  = 8,
-		.flags      = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
-
-		.leftreg    = TEA6320_V,
-		.rightreg   = TEA6320_V,
-		.bassreg    = TEA6320_BA,
-		.treblereg  = TEA6320_TR,
-
-		/* callbacks */
-		.initialize = tea6320_initialize,
-		.volfunc    = tea6320_volume,
-		.bassfunc   = tea6320_shift11,
-		.treblefunc = tea6320_shift11,
-
-		.inputreg   = TEA6320_S,
-		.inputmap   = { TEA6320_S_SA, TEA6420_S_SB, TEA6300_S_SC, TEA6320_S_SD },
-		.inputmute  = TEA6300_S_GMU,
-	},
-	{
-		.name       = "tea6420",
-		.insmodopt  = &tea6420,
-		.addr_lo    = I2C_ADDR_TEA6420 >> 1,
-		.addr_hi    = I2C_ADDR_TEA6420 >> 1,
-		.registers  = 1,
-		.flags      = CHIP_HAS_INPUTSEL,
-
-		.inputreg   = -1,
-		.inputmap   = { TEA6420_S_SA, TEA6420_S_SB, TEA6420_S_SC },
-		.inputmute  = TEA6300_S_GMU,
-	},
-	{
-		.name       = "tda8425",
-		.insmodopt  = &tda8425,
-		.addr_lo    = I2C_ADDR_TDA8425 >> 1,
-		.addr_hi    = I2C_ADDR_TDA8425 >> 1,
-		.registers  = 9,
-		.flags      = CHIP_HAS_VOLUME | CHIP_HAS_BASSTREBLE | CHIP_HAS_INPUTSEL,
-
-		.leftreg    = TDA8425_VL,
-		.rightreg   = TDA8425_VR,
-		.bassreg    = TDA8425_BA,
-		.treblereg  = TDA8425_TR,
-
-		/* callbacks */
-		.volfunc    = tda8425_shift10,
-		.bassfunc   = tda8425_shift12,
-		.treblefunc = tda8425_shift12,
-		.setaudmode = tda8425_setaudmode,
-
-		.inputreg   = TDA8425_S1,
-		.inputmap   = { TDA8425_S1_CH1, TDA8425_S1_CH1, TDA8425_S1_CH1 },
-		.inputmute  = TDA8425_S1_OFF,
-
-	},
-	{
-		.name       = "pic16c54 (PV951)",
-		.insmodopt  = &pic16c54,
-		.addr_lo    = I2C_ADDR_PIC16C54 >> 1,
-		.addr_hi    = I2C_ADDR_PIC16C54>> 1,
-		.registers  = 2,
-		.flags      = CHIP_HAS_INPUTSEL,
-
-		.inputreg   = PIC16C54_REG_MISC,
-		.inputmap   = {PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_TUNER,
-			     PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
-			     PIC16C54_MISC_SND_NOTMUTE|PIC16C54_MISC_SWITCH_LINE,
-			     PIC16C54_MISC_SND_MUTE},
-		.inputmute  = PIC16C54_MISC_SND_MUTE,
-	},
-	{
-		.name       = "ta8874z",
-		.checkit    = ta8874z_checkit,
-		.insmodopt  = &ta8874z,
-		.addr_lo    = I2C_ADDR_TDA9840 >> 1,
-		.addr_hi    = I2C_ADDR_TDA9840 >> 1,
-		.registers  = 2,
-
-		/* callbacks */
-		.getrxsubchans = ta8874z_getrxsubchans,
-		.setaudmode = ta8874z_setaudmode,
-
-		.init       = {2, { TA8874Z_MONO_SET, TA8874Z_SEPARATION_DEFAULT}},
-	},
-	{ .name = NULL } /* EOF */
-};
-
-
-/* ---------------------------------------------------------------------- */
-
-static int tvaudio_g_ctrl(struct v4l2_subdev *sd,
-			    struct v4l2_control *ctrl)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUDIO_MUTE:
-		if (!(desc->flags & CHIP_HAS_INPUTSEL))
-			break;
-		ctrl->value=chip->muted;
-		return 0;
-	case V4L2_CID_AUDIO_VOLUME:
-		if (!(desc->flags & CHIP_HAS_VOLUME))
-			break;
-		ctrl->value = max(chip->left,chip->right);
-		return 0;
-	case V4L2_CID_AUDIO_BALANCE:
-	{
-		int volume;
-		if (!(desc->flags & CHIP_HAS_VOLUME))
-			break;
-		volume = max(chip->left,chip->right);
-		if (volume)
-			ctrl->value=(32768*min(chip->left,chip->right))/volume;
-		else
-			ctrl->value=32768;
-		return 0;
-	}
-	case V4L2_CID_AUDIO_BASS:
-		if (!(desc->flags & CHIP_HAS_BASSTREBLE))
-			break;
-		ctrl->value = chip->bass;
-		return 0;
-	case V4L2_CID_AUDIO_TREBLE:
-		if (!(desc->flags & CHIP_HAS_BASSTREBLE))
-			break;
-		ctrl->value = chip->treble;
-		return 0;
-	}
-	return -EINVAL;
-}
-
-static int tvaudio_s_ctrl(struct v4l2_subdev *sd,
-			    struct v4l2_control *ctrl)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	switch (ctrl->id) {
-	case V4L2_CID_AUDIO_MUTE:
-		if (!(desc->flags & CHIP_HAS_INPUTSEL))
-			break;
-
-		if (ctrl->value < 0 || ctrl->value >= 2)
-			return -ERANGE;
-		chip->muted = ctrl->value;
-		if (chip->muted)
-			chip_write_masked(chip,desc->inputreg,desc->inputmute,desc->inputmask);
-		else
-			chip_write_masked(chip,desc->inputreg,
-					desc->inputmap[chip->input],desc->inputmask);
-		return 0;
-	case V4L2_CID_AUDIO_VOLUME:
-	{
-		int volume,balance;
-
-		if (!(desc->flags & CHIP_HAS_VOLUME))
-			break;
-
-		volume = max(chip->left,chip->right);
-		if (volume)
-			balance=(32768*min(chip->left,chip->right))/volume;
-		else
-			balance=32768;
-
-		volume=ctrl->value;
-		chip->left = (min(65536 - balance,32768) * volume) / 32768;
-		chip->right = (min(balance,volume *(__u16)32768)) / 32768;
-
-		chip_write(chip,desc->leftreg,desc->volfunc(chip->left));
-		chip_write(chip,desc->rightreg,desc->volfunc(chip->right));
-
-		return 0;
-	}
-	case V4L2_CID_AUDIO_BALANCE:
-	{
-		int volume, balance;
-
-		if (!(desc->flags & CHIP_HAS_VOLUME))
-			break;
-
-		volume = max(chip->left, chip->right);
-		balance = ctrl->value;
-		chip->left = (min(65536 - balance, 32768) * volume) / 32768;
-		chip->right = (min(balance, volume * (__u16)32768)) / 32768;
-
-		chip_write(chip, desc->leftreg, desc->volfunc(chip->left));
-		chip_write(chip, desc->rightreg, desc->volfunc(chip->right));
-
-		return 0;
-	}
-	case V4L2_CID_AUDIO_BASS:
-		if (!(desc->flags & CHIP_HAS_BASSTREBLE))
-			break;
-		chip->bass = ctrl->value;
-		chip_write(chip,desc->bassreg,desc->bassfunc(chip->bass));
-
-		return 0;
-	case V4L2_CID_AUDIO_TREBLE:
-		if (!(desc->flags & CHIP_HAS_BASSTREBLE))
-			break;
-		chip->treble = ctrl->value;
-		chip_write(chip,desc->treblereg,desc->treblefunc(chip->treble));
-
-		return 0;
-	}
-	return -EINVAL;
-}
-
-
-/* ---------------------------------------------------------------------- */
-/* video4linux interface                                                  */
-
-static int tvaudio_s_radio(struct v4l2_subdev *sd)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-
-	chip->radio = 1;
-	/* del_timer(&chip->wt); */
-	return 0;
-}
-
-static int tvaudio_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	switch (qc->id) {
-	case V4L2_CID_AUDIO_MUTE:
-		if (desc->flags & CHIP_HAS_INPUTSEL)
-			return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
-		break;
-	case V4L2_CID_AUDIO_VOLUME:
-		if (desc->flags & CHIP_HAS_VOLUME)
-			return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 58880);
-		break;
-	case V4L2_CID_AUDIO_BALANCE:
-		if (desc->flags & CHIP_HAS_VOLUME)
-			return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
-		break;
-	case V4L2_CID_AUDIO_BASS:
-	case V4L2_CID_AUDIO_TREBLE:
-		if (desc->flags & CHIP_HAS_BASSTREBLE)
-			return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
-		break;
-	default:
-		break;
-	}
-	return -EINVAL;
-}
-
-static int tvaudio_s_routing(struct v4l2_subdev *sd,
-			     u32 input, u32 output, u32 config)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	if (!(desc->flags & CHIP_HAS_INPUTSEL))
-		return 0;
-	if (input >= 4)
-		return -EINVAL;
-	/* There are four inputs: tuner, radio, extern and intern. */
-	chip->input = input;
-	if (chip->muted)
-		return 0;
-	chip_write_masked(chip, desc->inputreg,
-			desc->inputmap[chip->input], desc->inputmask);
-	return 0;
-}
-
-static int tvaudio_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	if (!desc->setaudmode)
-		return 0;
-	if (chip->radio)
-		return 0;
-
-	switch (vt->audmode) {
-	case V4L2_TUNER_MODE_MONO:
-	case V4L2_TUNER_MODE_STEREO:
-	case V4L2_TUNER_MODE_LANG1:
-	case V4L2_TUNER_MODE_LANG2:
-	case V4L2_TUNER_MODE_LANG1_LANG2:
-		break;
-	default:
-		return -EINVAL;
-	}
-	chip->audmode = vt->audmode;
-
-	if (chip->thread)
-		wake_up_process(chip->thread);
-	else
-		desc->setaudmode(chip, vt->audmode);
-
-	return 0;
-}
-
-static int tvaudio_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	if (!desc->getrxsubchans)
-		return 0;
-	if (chip->radio)
-		return 0;
-
-	vt->audmode = chip->audmode;
-	vt->rxsubchans = desc->getrxsubchans(chip);
-	vt->capability = V4L2_TUNER_CAP_STEREO |
-		V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
-
-	return 0;
-}
-
-static int tvaudio_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-
-	chip->radio = 0;
-	return 0;
-}
-
-static int tvaudio_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
-{
-	struct CHIPSTATE *chip = to_state(sd);
-	struct CHIPDESC *desc = chip->desc;
-
-	/* For chips that provide getrxsubchans and setaudmode, and doesn't
-	   automatically follows the stereo carrier, a kthread is
-	   created to set the audio standard. In this case, when then
-	   the video channel is changed, tvaudio starts on MONO mode.
-	   After waiting for 2 seconds, the kernel thread is called,
-	   to follow whatever audio standard is pointed by the
-	   audio carrier.
-	 */
-	if (chip->thread) {
-		desc->setaudmode(chip, V4L2_TUNER_MODE_MONO);
-		chip->prevmode = -1; /* reset previous mode */
-		mod_timer(&chip->wt, jiffies+msecs_to_jiffies(2000));
-	}
-	return 0;
-}
-
-static int tvaudio_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVAUDIO, 0);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_subdev_core_ops tvaudio_core_ops = {
-	.g_chip_ident = tvaudio_g_chip_ident,
-	.queryctrl = tvaudio_queryctrl,
-	.g_ctrl = tvaudio_g_ctrl,
-	.s_ctrl = tvaudio_s_ctrl,
-	.s_std = tvaudio_s_std,
-};
-
-static const struct v4l2_subdev_tuner_ops tvaudio_tuner_ops = {
-	.s_radio = tvaudio_s_radio,
-	.s_frequency = tvaudio_s_frequency,
-	.s_tuner = tvaudio_s_tuner,
-	.g_tuner = tvaudio_g_tuner,
-};
-
-static const struct v4l2_subdev_audio_ops tvaudio_audio_ops = {
-	.s_routing = tvaudio_s_routing,
-};
-
-static const struct v4l2_subdev_ops tvaudio_ops = {
-	.core = &tvaudio_core_ops,
-	.tuner = &tvaudio_tuner_ops,
-	.audio = &tvaudio_audio_ops,
-};
-
-/* ----------------------------------------------------------------------- */
-
-
-/* i2c registration                                                       */
-
-static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id *id)
-{
-	struct CHIPSTATE *chip;
-	struct CHIPDESC  *desc;
-	struct v4l2_subdev *sd;
-
-	if (debug) {
-		printk(KERN_INFO "tvaudio: TV audio decoder + audio/video mux driver\n");
-		printk(KERN_INFO "tvaudio: known chips: ");
-		for (desc = chiplist; desc->name != NULL; desc++)
-			printk("%s%s", (desc == chiplist) ? "" : ", ", desc->name);
-		printk("\n");
-	}
-
-	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-	if (!chip)
-		return -ENOMEM;
-	sd = &chip->sd;
-	v4l2_i2c_subdev_init(sd, client, &tvaudio_ops);
-
-	/* find description for the chip */
-	v4l2_dbg(1, debug, sd, "chip found @ 0x%x\n", client->addr<<1);
-	for (desc = chiplist; desc->name != NULL; desc++) {
-		if (0 == *(desc->insmodopt))
-			continue;
-		if (client->addr < desc->addr_lo ||
-		    client->addr > desc->addr_hi)
-			continue;
-		if (desc->checkit && !desc->checkit(chip))
-			continue;
-		break;
-	}
-	if (desc->name == NULL) {
-		v4l2_dbg(1, debug, sd, "no matching chip description found\n");
-		kfree(chip);
-		return -EIO;
-	}
-	v4l2_info(sd, "%s found @ 0x%x (%s)\n", desc->name, client->addr<<1, client->adapter->name);
-	if (desc->flags) {
-		v4l2_dbg(1, debug, sd, "matches:%s%s%s.\n",
-			(desc->flags & CHIP_HAS_VOLUME)     ? " volume"      : "",
-			(desc->flags & CHIP_HAS_BASSTREBLE) ? " bass/treble" : "",
-			(desc->flags & CHIP_HAS_INPUTSEL)   ? " audiomux"    : "");
-	}
-
-	/* fill required data structures */
-	if (!id)
-		strlcpy(client->name, desc->name, I2C_NAME_SIZE);
-	chip->desc = desc;
-	chip->shadow.count = desc->registers+1;
-	chip->prevmode = -1;
-	chip->audmode = V4L2_TUNER_MODE_LANG1;
-
-	/* initialization  */
-	if (desc->initialize != NULL)
-		desc->initialize(chip);
-	else
-		chip_cmd(chip, "init", &desc->init);
-
-	if (desc->flags & CHIP_HAS_VOLUME) {
-		if (!desc->volfunc) {
-			/* This shouldn't be happen. Warn user, but keep working
-			   without volume controls
-			 */
-			v4l2_info(sd, "volume callback undefined!\n");
-			desc->flags &= ~CHIP_HAS_VOLUME;
-		} else {
-			chip->left  = desc->leftinit  ? desc->leftinit  : 65535;
-			chip->right = desc->rightinit ? desc->rightinit : 65535;
-			chip_write(chip, desc->leftreg,
-				   desc->volfunc(chip->left));
-			chip_write(chip, desc->rightreg,
-				   desc->volfunc(chip->right));
-		}
-	}
-	if (desc->flags & CHIP_HAS_BASSTREBLE) {
-		if (!desc->bassfunc || !desc->treblefunc) {
-			/* This shouldn't be happen. Warn user, but keep working
-			   without bass/treble controls
-			 */
-			v4l2_info(sd, "bass/treble callbacks undefined!\n");
-			desc->flags &= ~CHIP_HAS_BASSTREBLE;
-		} else {
-			chip->treble = desc->trebleinit ?
-						desc->trebleinit : 32768;
-			chip->bass   = desc->bassinit   ?
-						desc->bassinit   : 32768;
-			chip_write(chip, desc->bassreg,
-				   desc->bassfunc(chip->bass));
-			chip_write(chip, desc->treblereg,
-				   desc->treblefunc(chip->treble));
-		}
-	}
-
-	chip->thread = NULL;
-	init_timer(&chip->wt);
-	if (desc->flags & CHIP_NEED_CHECKMODE) {
-		if (!desc->getrxsubchans || !desc->setaudmode) {
-			/* This shouldn't be happen. Warn user, but keep working
-			   without kthread
-			 */
-			v4l2_info(sd, "set/get mode callbacks undefined!\n");
-			return 0;
-		}
-		/* start async thread */
-		chip->wt.function = chip_thread_wake;
-		chip->wt.data     = (unsigned long)chip;
-		chip->thread = kthread_run(chip_thread, chip, client->name);
-		if (IS_ERR(chip->thread)) {
-			v4l2_warn(sd, "failed to create kthread\n");
-			chip->thread = NULL;
-		}
-	}
-	return 0;
-}
-
-static int tvaudio_remove(struct i2c_client *client)
-{
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct CHIPSTATE *chip = to_state(sd);
-
-	del_timer_sync(&chip->wt);
-	if (chip->thread) {
-		/* shutdown async thread */
-		kthread_stop(chip->thread);
-		chip->thread = NULL;
-	}
-
-	v4l2_device_unregister_subdev(sd);
-	kfree(chip);
-	return 0;
-}
-
-/* This driver supports many devices and the idea is to let the driver
-   detect which device is present. So rather than listing all supported
-   devices here, we pretend to support a single, fake device type. */
-static const struct i2c_device_id tvaudio_id[] = {
-	{ "tvaudio", 0 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, tvaudio_id);
-
-static struct i2c_driver tvaudio_driver = {
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "tvaudio",
-	},
-	.probe		= tvaudio_probe,
-	.remove		= tvaudio_remove,
-	.id_table	= tvaudio_id,
-};
-
-module_i2c_driver(tvaudio_driver);