xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'backlight-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Browse Source 
Pull backlight updates from Lee Jones:
 "Changes to existing drivers:

   - supply MODULE_DEVICE_TABLE() to ensure probing
   - constify struct; da9052_bl
   - enable compile test; lcd_l4f00242t03, lcd_lms283fg05, backlight_gpio
   - suspend/resume bugfix; lp855x_bl
   - devm_gpiod_get_optional() API fixup; pwm_bl
   - error handling fixup; backlight"

* tag 'backlight-for-linus-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: Change the return type of backlight_update_status() to int
  backlight: pwm_bl: Simplify usage of devm_gpiod_get_optional
  backlight: lp855x: Don't clear level on suspend/blank
  backlight: Allow compile test of GPIO consumers if !GPIOLIB
  video: backlight: da9052: Constify platform_device_id
  gpio-backlight: Discover driver during boot time
This commit is contained in:
Linus Torvalds
2015-06-24 18:57:00 -07:00
parent e0456717e4 cca0ba2df3
commit d59b92f93d
6 changed files with 22 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/backlight.h
View File

@@ -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,