diff options
| author | David S. Miller <davem@davemloft.net> | 2008-07-27 04:40:08 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-27 04:40:08 -0700 |
| commit | 15d3b4a26291c170563e2b25ded5de1324f93959 (patch) | |
| tree | 9bea548a7de5215c58a091d58f4eefdb92349f2c /drivers/acpi/video.c | |
| parent | 2c3abab7c95295f319dc8899b74cbd60140fcdfb (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/acpi/video.c')
| -rw-r--r-- | drivers/acpi/video.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 37b9e16710d..e8a51a1700f 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -741,7 +741,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) max_level = acpi_video_init_brightness(device); - if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ + if (device->cap._BCL && device->cap._BCM && max_level > 0) { int result; static int count = 0; char *name; @@ -753,7 +753,17 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->backlight = backlight_device_register(name, NULL, device, &acpi_backlight_ops); device->backlight->props.max_brightness = device->brightness->count-3; - device->backlight->props.brightness = acpi_video_get_brightness(device->backlight); + /* + * If there exists the _BQC object, the _BQC object will be + * called to get the current backlight brightness. Otherwise + * the brightness will be set to the maximum. + */ + if (device->cap._BQC) + device->backlight->props.brightness = + acpi_video_get_brightness(device->backlight); + else + device->backlight->props.brightness = + device->backlight->props.max_brightness; backlight_update_status(device->backlight); kfree(name); |