diff options
Diffstat (limited to 'include/linux/backlight.h')
| -rw-r--r-- | include/linux/backlight.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 0b5897446dca..c7d6b2e8c3b5 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -46,6 +46,12 @@ enum backlight_notification { BACKLIGHT_UNREGISTERED, }; +enum backlight_scale { + BACKLIGHT_SCALE_UNKNOWN = 0, + BACKLIGHT_SCALE_LINEAR, + BACKLIGHT_SCALE_NON_LINEAR, +}; + struct backlight_device; struct fb_info; @@ -80,6 +86,8 @@ struct backlight_properties { enum backlight_type type; /* Flags used to signal drivers of state changes */ unsigned int state; + /* Type of the brightness scale (linear, non-linear, ...) */ + enum backlight_scale scale; #define BL_CORE_SUSPENDED (1 << 0) /* backlight is suspended */ #define BL_CORE_FBBLANK (1 << 1) /* backlight is under an fb blank event */ |