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author | Linus Torvalds | 2008-07-21 06:14:42 +0200 |
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committer | Linus Torvalds | 2008-07-21 06:14:42 +0200 |
commit | f894d18380e7e7ff05f6622ccb75d2881922c6e9 (patch) | |
tree | e3c11b831b68096239a49dec539a49e49c1d90b7 /drivers/media/video/saa7127.c | |
parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
parent | V4L/DVB (8415): gspca: Infinite loop in i2c_w() of etoms. (diff) | |
download | kernel-qcow2-linux-f894d18380e7e7ff05f6622ccb75d2881922c6e9.tar.gz kernel-qcow2-linux-f894d18380e7e7ff05f6622ccb75d2881922c6e9.tar.xz kernel-qcow2-linux-f894d18380e7e7ff05f6622ccb75d2881922c6e9.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (277 commits)
V4L/DVB (8415): gspca: Infinite loop in i2c_w() of etoms.
V4L/DVB (8414): videodev/cx18: fix get_index bug and error-handling lock-ups
V4L/DVB (8411): videobuf-dma-contig.c: fix 64-bit build for pre-2.6.24 kernels
V4L/DVB (8410): sh_mobile_ceu_camera: fix 64-bit compiler warnings
V4L/DVB (8397): video: convert select VIDEO_ZORAN_ZR36060 into depends on
V4L/DVB (8396): video: Fix Kbuild dependency for VIDEO_IR_I2C
V4L/DVB (8395): saa7134: Fix Kbuild dependency of ir-kbd-i2c
V4L/DVB (8394): ir-common: CodingStyle fix: move EXPORT_SYMBOL_GPL to their proper places
V4L/DVB (8393): media/video: Fix depencencies for VIDEOBUF
V4L/DVB (8392): media/Kconfig: Convert V4L1_COMPAT select into "depends on"
V4L/DVB (8390): videodev: add comment and remove magic number.
V4L/DVB (8389): videodev: simplify get_index()
V4L/DVB (8387): Some cosmetic changes
V4L/DVB (8381): ov7670: fix compile warnings
V4L/DVB (8380): saa7115: use saa7115_auto instead of saa711x as the autodetect driver name.
V4L/DVB (8379): saa7127: Make device detection optional
V4L/DVB (8378): cx18: move cx18_av_vbi_setup to av-core.c and rename to cx18_av_std_setup
V4L/DVB (8377): ivtv/cx18: ensure the default control values are correct
V4L/DVB (8376): cx25840: move cx25840_vbi_setup to core.c and rename to cx25840_std_setup
V4L/DVB (8374): gspca: No conflict of 0c45:6011 with the sn9c102 driver.
...
Diffstat (limited to 'drivers/media/video/saa7127.c')
-rw-r--r-- | drivers/media/video/saa7127.c | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c index 79d11a658bdf..d0e83fe0ff51 100644 --- a/drivers/media/video/saa7127.c +++ b/drivers/media/video/saa7127.c @@ -666,7 +666,6 @@ static int saa7127_probe(struct i2c_client *client, { struct saa7127_state *state; struct v4l2_sliced_vbi_data vbi = { 0, 0, 0, 0 }; /* set to disabled */ - int read_result = 0; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -710,20 +709,29 @@ static int saa7127_probe(struct i2c_client *client, saa7127_set_input_type(client, SAA7127_INPUT_TYPE_NORMAL); saa7127_set_video_enable(client, 1); - /* Detect if it's an saa7129 */ - read_result = saa7127_read(client, SAA7129_REG_FADE_KEY_COL2); - saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, 0xaa); - if (saa7127_read(client, SAA7129_REG_FADE_KEY_COL2) == 0xaa) { - v4l_info(client, "saa7129 found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, read_result); - saa7127_write_inittab(client, saa7129_init_config_extra); - state->ident = V4L2_IDENT_SAA7129; - } else { - v4l_info(client, "saa7127 found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - state->ident = V4L2_IDENT_SAA7127; + if (id->driver_data) { /* Chip type is already known */ + state->ident = id->driver_data; + } else { /* Needs detection */ + int read_result; + + /* Detect if it's an saa7129 */ + read_result = saa7127_read(client, SAA7129_REG_FADE_KEY_COL2); + saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, 0xaa); + if (saa7127_read(client, SAA7129_REG_FADE_KEY_COL2) == 0xaa) { + saa7127_write(client, SAA7129_REG_FADE_KEY_COL2, + read_result); + state->ident = V4L2_IDENT_SAA7129; + strlcpy(client->name, "saa7129", I2C_NAME_SIZE); + } else { + state->ident = V4L2_IDENT_SAA7127; + strlcpy(client->name, "saa7127", I2C_NAME_SIZE); + } } + + v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, + client->addr << 1, client->adapter->name); + if (state->ident == V4L2_IDENT_SAA7129) + saa7127_write_inittab(client, saa7129_init_config_extra); return 0; } @@ -740,7 +748,11 @@ static int saa7127_remove(struct i2c_client *client) /* ----------------------------------------------------------------------- */ static struct i2c_device_id saa7127_id[] = { - { "saa7127", 0 }, + { "saa7127_auto", 0 }, /* auto-detection */ + { "saa7126", V4L2_IDENT_SAA7127 }, + { "saa7127", V4L2_IDENT_SAA7127 }, + { "saa7128", V4L2_IDENT_SAA7129 }, + { "saa7129", V4L2_IDENT_SAA7129 }, { } }; MODULE_DEVICE_TABLE(i2c, saa7127_id); @@ -753,4 +765,3 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = { .remove = saa7127_remove, .id_table = saa7127_id, }; - |