diff options
| author | Matthew Garrett <mjg@redhat.com> | 2009-07-14 18:06:03 +0200 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-09-21 22:04:19 +0200 |
| commit | 36342742a3cbd52f7ca0582f23788c99c2ec8256 (patch) | |
| tree | 33dd6dc43b8d3ef242a499a825ffd1b5969ea345 /drivers/acpi | |
| parent | backlight: Allow drivers to update the core, and generate events on changes (diff) | |
| download | linux-36342742a3cbd52f7ca0582f23788c99c2ec8256.tar.xz linux-36342742a3cbd52f7ca0582f23788c99c2ec8256.zip | |
backlight/acpi: Update the backlight state when we change brightness
Trigger a status update when we change the brightness in the driver, thus
allowing userspace to present appropriate UI.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/video.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 60ea984c84a0..5845398479fa 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1960,6 +1960,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event) result = acpi_video_device_lcd_set_level(device, level_next); + if (!result) + backlight_force_update(device->backlight, + BACKLIGHT_UPDATE_HOTKEY); + out: if (result) printk(KERN_ERR PREFIX "Failed to switch the brightness\n"); |