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Merge branch 'bugzilla-21212' into release

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This commit is contained in:
Len Brown 2011-01-12 05:09:35 -05:00
commit 3e09898407
1 changed files with 12 additions and 3 deletions
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9
drivers/acpi/video.c
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@ -80,6 +80,13 @@ module_param(brightness_switch_enabled, bool, 0644);
static int allow_duplicates;
module_param(allow_duplicates, bool, 0644);
/*
* Some BIOSes claim they use minimum backlight at boot,
* and this may bring dimming screen after boot
*/
static int use_bios_initial_backlight = 1;
module_param(use_bios_initial_backlight, bool, 0644);
static int register_count = 0;
static int acpi_video_bus_add(struct acpi_device *device);
static int acpi_video_bus_remove(struct acpi_device *device, int type);
@ -705,9 +712,11 @@ acpi_video_init_brightness(struct acpi_video_device *device)
* when invoked for the first time, i.e. level_old is invalid.
* set the backlight to max_level in this case
*/
if (use_bios_initial_backlight) {
for (i = 2; i < br->count; i++)
if (level_old == br->levels[i])
level = level_old;
}
goto set_level;
}