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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-07-27 12:25:57 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-27 12:25:57 -0300
commit50cb993ea6cd187bfed085cb3e0747066edeb02f (patch)
tree61edac62c6c5bc07c59e4369c50c6821ad77f2c0 /drivers/acpi/video.c
parent445c2714cf72817ab1ad3ca894c6d9b2047b3a3e (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
Merge ../linux-2.6
Diffstat (limited to 'drivers/acpi/video.c')
-rw-r--r--drivers/acpi/video.c14
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);