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-rw-r--r--drivers/misc/fujitsu-laptop.c114
1 files changed, 21 insertions, 93 deletions
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 9c407ab9ba2b..65dc41540c62 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -155,7 +155,6 @@ struct fujitsu_t {
static struct fujitsu_t *fujitsu;
static int use_alt_lcd_levels = -1;
-static int disable_brightness_keys = -1;
static int disable_brightness_adjust = -1;
/* Device used to access other hotkeys on the laptop */
@@ -413,36 +412,11 @@ static int get_max_brightness(void)
return fujitsu->max_brightness;
}
-static int get_lcd_level_alt(void)
-{
- unsigned long long state = 0;
- acpi_status status = AE_OK;
-
- vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n");
-
- status =
- acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state);
- if (status < 0)
- return status;
-
- fujitsu->brightness_level = state & 0x0fffffff;
-
- if (state & 0x80000000)
- fujitsu->brightness_changed = 1;
- else
- fujitsu->brightness_changed = 0;
-
- return fujitsu->brightness_level;
-}
-
/* Backlight device stuff */
static int bl_get_brightness(struct backlight_device *b)
{
- if (use_alt_lcd_levels)
- return get_lcd_level_alt();
- else
- return get_lcd_level();
+ return get_lcd_level();
}
static int bl_update_status(struct backlight_device *b)
@@ -509,10 +483,7 @@ static ssize_t show_lcd_level(struct device *dev,
int ret;
- if (use_alt_lcd_levels)
- ret = get_lcd_level_alt();
- else
- ret = get_lcd_level();
+ ret = get_lcd_level();
if (ret < 0)
return ret;
@@ -537,10 +508,7 @@ static ssize_t store_lcd_level(struct device *dev,
if (ret < 0)
return ret;
- if (use_alt_lcd_levels)
- ret = get_lcd_level_alt();
- else
- ret = get_lcd_level();
+ ret = get_lcd_level();
if (ret < 0)
return ret;
@@ -622,24 +590,16 @@ static struct platform_driver fujitsupf_driver = {
static void dmi_check_cb_common(const struct dmi_system_id *id)
{
acpi_handle handle;
- int have_blnf;
printk(KERN_INFO "fujitsu-laptop: Identified laptop model '%s'.\n",
id->ident);
- have_blnf = ACPI_SUCCESS
- (acpi_get_handle(NULL, "\\_SB.PCI0.GFX0.LCD.BLNF", &handle));
if (use_alt_lcd_levels == -1) {
- vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detecting usealt\n");
- use_alt_lcd_levels = 1;
- }
- if (disable_brightness_keys == -1) {
- vdbg_printk(FUJLAPTOP_DBG_TRACE,
- "auto-detecting disable_keys\n");
- disable_brightness_keys = have_blnf ? 1 : 0;
- }
- if (disable_brightness_adjust == -1) {
- vdbg_printk(FUJLAPTOP_DBG_TRACE,
- "auto-detecting disable_adjust\n");
- disable_brightness_adjust = have_blnf ? 0 : 1;
+ if (ACPI_SUCCESS(acpi_get_handle(NULL,
+ "\\_SB.PCI0.LPCB.FJEX.SBL2", &handle)))
+ use_alt_lcd_levels = 1;
+ else
+ use_alt_lcd_levels = 0;
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
+ "%i\n", use_alt_lcd_levels);
}
}
@@ -768,19 +728,14 @@ static int acpi_fujitsu_add(struct acpi_device *device)
/* do config (detect defaults) */
use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
- disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0;
disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
vdbg_printk(FUJLAPTOP_DBG_INFO,
- "config: [alt interface: %d], [key disable: %d], [adjust disable: %d]\n",
- use_alt_lcd_levels, disable_brightness_keys,
- disable_brightness_adjust);
+ "config: [alt interface: %d], [adjust disable: %d]\n",
+ use_alt_lcd_levels, disable_brightness_adjust);
if (get_max_brightness() <= 0)
fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
- if (use_alt_lcd_levels)
- get_lcd_level_alt();
- else
- get_lcd_level();
+ get_lcd_level();
return result;
@@ -831,43 +786,23 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
case ACPI_FUJITSU_NOTIFY_CODE1:
keycode = 0;
oldb = fujitsu->brightness_level;
- get_lcd_level(); /* the alt version always yields changed */
+ get_lcd_level();
newb = fujitsu->brightness_level;
vdbg_printk(FUJLAPTOP_DBG_TRACE,
"brightness button event [%i -> %i (%i)]\n",
oldb, newb, fujitsu->brightness_changed);
- if (oldb == newb && fujitsu->brightness_changed) {
- keycode = 0;
- if (disable_brightness_keys != 1) {
- if (oldb == 0) {
- acpi_bus_generate_proc_event
- (fujitsu->dev,
- ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
- 0);
- keycode = KEY_BRIGHTNESSDOWN;
- } else if (oldb ==
- (fujitsu->max_brightness) - 1) {
- acpi_bus_generate_proc_event
- (fujitsu->dev,
- ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
- 0);
- keycode = KEY_BRIGHTNESSUP;
- }
- }
- } else if (oldb < newb) {
+ if (oldb < newb) {
if (disable_brightness_adjust != 1) {
if (use_alt_lcd_levels)
set_lcd_level_alt(newb);
else
set_lcd_level(newb);
}
- if (disable_brightness_keys != 1) {
- acpi_bus_generate_proc_event(fujitsu->dev,
- ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
- keycode = KEY_BRIGHTNESSUP;
- }
+ acpi_bus_generate_proc_event(fujitsu->dev,
+ ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
+ keycode = KEY_BRIGHTNESSUP;
} else if (oldb > newb) {
if (disable_brightness_adjust != 1) {
if (use_alt_lcd_levels)
@@ -875,13 +810,9 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
else
set_lcd_level(newb);
}
- if (disable_brightness_keys != 1) {
- acpi_bus_generate_proc_event(fujitsu->dev,
- ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
- keycode = KEY_BRIGHTNESSDOWN;
- }
- } else {
- keycode = KEY_UNKNOWN;
+ acpi_bus_generate_proc_event(fujitsu->dev,
+ ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
+ keycode = KEY_BRIGHTNESSDOWN;
}
break;
default:
@@ -1336,9 +1267,6 @@ module_exit(fujitsu_cleanup);
module_param(use_alt_lcd_levels, uint, 0644);
MODULE_PARM_DESC(use_alt_lcd_levels,
"Use alternative interface for lcd_levels (needed for Lifebook s6410).");
-module_param(disable_brightness_keys, uint, 0644);
-MODULE_PARM_DESC(disable_brightness_keys,
- "Disable brightness keys (eg. if they are already handled by the generic ACPI_VIDEO device).");
module_param(disable_brightness_adjust, uint, 0644);
MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment .");
#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-06 18:53:13 +0200