diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:20:14 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:20:14 +0100 |
| commit | 975bcabb05436d8b99214a2293d1d5b9c0b0ca08 (patch) | |
| tree | a3c1049d5029ed6726ec4135ca18b4d9595d2b55 /include | |
| parent | Merge branch 'acpi-pm' (diff) | |
| parent | ACPI: Add Toshiba NB100 to Vista _OSI blacklist (diff) | |
| download | linux-975bcabb05436d8b99214a2293d1d5b9c0b0ca08.tar.xz linux-975bcabb05436d8b99214a2293d1d5b9c0b0ca08.zip | |
Merge branch 'acpi-video'
* acpi-video:
ACPI: Add Toshiba NB100 to Vista _OSI blacklist
ACPI / video: Ignore BIOS initial backlight value for HP 250 G1
ACPI / video: Add Lenovo IdeaPad Yoga 13 to acpi video detect blacklist
thinkpad-acpi: fix handle locate for video and query of _BCL
ACPI / video: Do not register backlight if win8 and native interface exists
ACPI / video: seperate backlight control and event interface
backlight: introduce backlight_device_registered
ACPI: add missing win8 OSI comment to blacklist
ACPI: update win8 OSI blacklist
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/backlight.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 53b77949c79d..5f9cd963213d 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -100,6 +100,9 @@ struct backlight_device { /* The framebuffer notifier block */ struct notifier_block fb_notif; + /* list entry of all registered backlight devices */ + struct list_head entry; + struct device dev; }; @@ -123,6 +126,7 @@ extern void devm_backlight_device_unregister(struct device *dev, struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); +extern bool backlight_device_registered(enum backlight_type type); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) |