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| author |   Jingoo Han <jg1.han@samsung.com> | 2013-07-03 15:05:13 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-03 16:07:43 -0700 |
| commit | 8318fde4ac78f6793b1cbaf57659902253a61617 (patch) | |
| tree | 7b7a30f1bdcd75972b8efba43fece1d48f19d611 /include/linux/backlight.h | |
| parent | backlight: pcf50633: remove unnecessary platform_set_drvdata() (diff) | |
| download | linux-dev-8318fde4ac78f6793b1cbaf57659902253a61617.tar.xz linux-dev-8318fde4ac78f6793b1cbaf57659902253a61617.zip | |
backlight: add devm_backlight_device_{register,unregister}()
These functions allow the driver core to automatically clean up any
allocation made by backlight drivers. Thus it simplifies the error
paths.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/backlight.h')
| -rw-r--r-- | include/linux/backlight.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index da9a0825e007..53b77949c79d 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -114,7 +114,13 @@ static inline void backlight_update_status(struct backlight_device *bd) extern struct backlight_device *backlight_device_register(const char *name, struct device *dev, void *devdata, const struct backlight_ops *ops, const struct backlight_properties *props); +extern struct backlight_device *devm_backlight_device_register( + struct device *dev, const char *name, struct device *parent, + void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props); extern void backlight_device_unregister(struct backlight_device *bd); +extern void devm_backlight_device_unregister(struct device *dev, + struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); |