summaryrefslogtreecommitdiff
path: root/include/linux/backlight.h
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2009-01-17 12:01:12 +0100
committerTakashi Iwai <tiwai@suse.de>2009-01-17 12:01:12 +0100
commitd1a020050c6ce1a0794ff73582ccf47e4db536f7 (patch)
tree1b7250410f24703cd77c76156e758db9887137aa /include/linux/backlight.h
parentdc61b66fc724f89d357c43e2319d2cb7bec1e517 (diff)
parent641b4879444c0edb276fedca5c2fcbd2e5c70044 (diff)
Merge branch 'topic/usb-mixer-cache' into next/usb-audio
Diffstat (limited to 'include/linux/backlight.h')
-rw-r--r--include/linux/backlight.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 1ee9488ca2e4..79ca2da81c87 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -31,6 +31,10 @@ struct backlight_device;
struct fb_info;
struct backlight_ops {
+ unsigned int options;
+
+#define BL_CORE_SUSPENDRESUME (1 << 0)
+
/* Notify the backlight driver some property has changed */
int (*update_status)(struct backlight_device *);
/* Return the current backlight brightness (accounting for power,
@@ -51,7 +55,19 @@ struct backlight_properties {
modes; 4: full off), see FB_BLANK_XXX */
int power;
/* FB Blanking active? (values as for power) */
+ /* Due to be removed, please use (state & BL_CORE_FBBLANK) */
int fb_blank;
+ /* Flags used to signal drivers of state changes */
+ /* Upper 4 bits are reserved for driver internal use */
+ unsigned int state;
+
+#define BL_CORE_SUSPENDED (1 << 0) /* backlight is suspended */
+#define BL_CORE_FBBLANK (1 << 1) /* backlight is under an fb blank event */
+#define BL_CORE_DRIVER4 (1 << 28) /* reserved for driver specific use */
+#define BL_CORE_DRIVER3 (1 << 29) /* reserved for driver specific use */
+#define BL_CORE_DRIVER2 (1 << 30) /* reserved for driver specific use */
+#define BL_CORE_DRIVER1 (1 << 31) /* reserved for driver specific use */
+
};
struct backlight_device {