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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-09-03 10:01:44 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-09-03 10:01:44 -0700 |
| commit | 01b944fe1cd4e21a2a9ed51adbdbafe2d5e905ba (patch) | |
| tree | 85f506cf9fce3d8fd47cf624dd8698472bffc13f /include/linux/backlight.h | |
| parent | e51e38494a8ecc18650efb0c840600637891de2c (diff) | |
| parent | 58f1eae48e5372200553de07b5ecc7574803ee91 (diff) | |
| download | cachepc-linux-01b944fe1cd4e21a2a9ed51adbdbafe2d5e905ba.tar.gz cachepc-linux-01b944fe1cd4e21a2a9ed51adbdbafe2d5e905ba.zip | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 4.3 merge window.
Diffstat (limited to 'include/linux/backlight.h')
| -rw-r--r-- | include/linux/backlight.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index adb14a8616df..1e7a69adbe6f 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -117,12 +117,16 @@ struct backlight_device { int use_count; }; -static inline void backlight_update_status(struct backlight_device *bd) +static inline int backlight_update_status(struct backlight_device *bd) { + int ret = -ENOENT; + mutex_lock(&bd->update_lock); if (bd->ops && bd->ops->update_status) - bd->ops->update_status(bd); + ret = bd->ops->update_status(bd); mutex_unlock(&bd->update_lock); + + return ret; } extern struct backlight_device *backlight_device_register(const char *name, |