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| author | Jingoo Han <jg1.han@samsung.com> | 2013-11-12 15:09:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 12:09:18 +0900 |
| commit | 6255e8e9849767bcc9c9074aff7c0ec4f6e06c88 (patch) | |
| tree | b2a878d439a424034f17eb2ed48fdeccda2c3f9b | |
| parent | e86c7098942d6446004ccf89a81c93328d93446a (diff) | |
| download | linux-6255e8e9849767bcc9c9074aff7c0ec4f6e06c88.tar.gz linux-6255e8e9849767bcc9c9074aff7c0ec4f6e06c88.tar.bz2 linux-6255e8e9849767bcc9c9074aff7c0ec4f6e06c88.zip | |
backlight: lp855x: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler. Also,
unnecessary lp855x_backlight_unregister() is removed.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/video/backlight/lp855x_bl.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 57f005a9b475..cae80d555e84 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -300,7 +300,7 @@ static int lp855x_backlight_register(struct lp855x *lp) props.brightness = pdata->initial_brightness; - bl = backlight_device_register(name, lp->dev, lp, + bl = devm_backlight_device_register(lp->dev, name, lp->dev, lp, &lp855x_bl_ops, &props); if (IS_ERR(bl)) return PTR_ERR(bl); @@ -310,12 +310,6 @@ static int lp855x_backlight_register(struct lp855x *lp) return 0; } -static void lp855x_backlight_unregister(struct lp855x *lp) -{ - if (lp->bl) - backlight_device_unregister(lp->bl); -} - static ssize_t lp855x_get_chip_id(struct device *dev, struct device_attribute *attr, char *buf) { @@ -439,29 +433,24 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id) ret = lp855x_configure(lp); if (ret) { dev_err(lp->dev, "device config err: %d", ret); - goto err_dev; + return ret; } ret = lp855x_backlight_register(lp); if (ret) { dev_err(lp->dev, "failed to register backlight. err: %d\n", ret); - goto err_dev; + return ret; } ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group); if (ret) { dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret); - goto err_sysfs; + return ret; } backlight_update_status(lp->bl); return 0; - -err_sysfs: - lp855x_backlight_unregister(lp); -err_dev: - return ret; } static int lp855x_remove(struct i2c_client *cl) @@ -471,7 +460,6 @@ static int lp855x_remove(struct i2c_client *cl) lp->bl->props.brightness = 0; backlight_update_status(lp->bl); sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); - lp855x_backlight_unregister(lp); return 0; } |