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authorDavid Vrabel <david.vrabel@csr.com>2009-01-22 19:12:32 +0000
committerDavid Vrabel <david.vrabel@csr.com>2009-01-22 19:12:32 +0000
commitdff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch)
tree1c63e7c2f879cd322ca785671b74b4ff796dd24c /include/linux/backlight.h
parenta5e6ced58d423cb09c4fc0087dcfdb0b5deb5e1c (diff)
parentf3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff)
downloadcachepc-linux-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.gz
cachepc-linux-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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 {