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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-06-04 01:12:37 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-06-04 01:12:37 +0400 |
| commit | d9bd44933cb21faf2cfe09798c1a2c95563a0bcb (patch) | |
| tree | f16d3375cd246e2740651ffcf6cd8dbc30f2e0b4 /include/linux | |
| parent | 0e36d43c9c87554cdb18aa865eec9edccda17324 (diff) | |
| parent | 0dc6b96ac20c538a28bd8442ae74b87fc6b6f6e0 (diff) | |
| download | linux-d9bd44933cb21faf2cfe09798c1a2c95563a0bcb.tar.xz | |
Merge branch 'acpi-video'
* acpi-video:
ACPI / video: Add 4 new models to the use_native_backlight DMI list
ACPI / video: Add use native backlight quirk for the ThinkPad W530
ACPI / video: Unregister the backlight device if a raw one shows up later
backlight: Add backlight device (un)registration notification
nouveau: Don't check acpi_video_backlight_support() before registering backlight
acer-wmi: Add Aspire 5741 to video_vendor_dmi_table
acer-wmi: Switch to acpi_video_unregister_backlight
ACPI / video: Add an acpi_video_unregister_backlight function
ACPI / video: Don't register acpi_video_resume notifier without backlight devices
ACPI / video: change acpi-video brightness_switch_enabled default to 0
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/backlight.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 72647429adf6..adb14a8616df 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -40,6 +40,11 @@ enum backlight_type { BACKLIGHT_TYPE_MAX, }; +enum backlight_notification { + BACKLIGHT_REGISTERED, + BACKLIGHT_UNREGISTERED, +}; + struct backlight_device; struct fb_info; @@ -133,6 +138,8 @@ extern void devm_backlight_device_unregister(struct device *dev, extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); extern bool backlight_device_registered(enum backlight_type type); +extern int backlight_register_notifier(struct notifier_block *nb); +extern int backlight_unregister_notifier(struct notifier_block *nb); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) |