diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2008-12-31 10:58:48 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-02-06 14:00:44 -0800 |
| commit | 9b304c0bd70f0056f86340ee6eafacefbbb6a5e8 (patch) | |
| tree | 4a35490dced5db12d72c336363531f3f79404aac /drivers/acpi | |
| parent | a21e824081db7004d321e201872c04d82663f6eb (diff) | |
video: always update the brightness when poking "brightness"
commit 9e6dada9d255497127251c03aaa59296d186f959 upstream.
always update props.brightness no matter the backlight is changed
via procfs, hotkeys or sysfs.
Sighed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/video.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 79409c9d2ad..42e1e842ee5 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -482,6 +482,7 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level) int status = AE_OK; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; + int state; arg0.integer.value = level; @@ -490,6 +491,10 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level) status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL); device->brightness->curr = level; + for (state = 2; state < device->brightness->count; state++) + if (level == device->brightness->levels[state]) + device->backlight->props.brightness = state - 2; + return status; } |