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authorJingoo Han <jg1.han@samsung.com>2013-11-12 15:09:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:16 +0900
commit83dedc056b61bcfc693d1085b76aa32cc242db6f (patch)
tree00be454545ffd8f82f57e973d5573d4b1fd3e1bf
parent568ee6c3c852610a3951da31519aa28cc9f1927e (diff)
downloadblackbird-op-linux-83dedc056b61bcfc693d1085b76aa32cc242db6f.tar.gz
blackbird-op-linux-83dedc056b61bcfc693d1085b76aa32cc242db6f.zip
backlight: as3711_bl: use devm_backlight_device_register()
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). 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/as3711_bl.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c
index 123887cd76bd..bb1fc45b7549 100644
--- a/drivers/video/backlight/as3711_bl.c
+++ b/drivers/video/backlight/as3711_bl.c
@@ -240,7 +240,8 @@ static int as3711_bl_register(struct platform_device *pdev,
/* max tuning I = 31uA for voltage- and 38250uA for current-feedback */
props.max_brightness = max_brightness;
- bl = backlight_device_register(su->type == AS3711_BL_SU1 ?
+ bl = devm_backlight_device_register(&pdev->dev,
+ su->type == AS3711_BL_SU1 ?
"as3711-su1" : "as3711-su2",
&pdev->dev, su,
&as3711_bl_ops, &props);
@@ -432,8 +433,7 @@ static int as3711_backlight_probe(struct platform_device *pdev)
case AS3711_SU2_LX_SD4:
break;
default:
- ret = -EINVAL;
- goto esu2;
+ return -EINVAL;
}
switch (pdata->su2_feedback) {
@@ -447,8 +447,7 @@ static int as3711_backlight_probe(struct platform_device *pdev)
max_brightness = min(pdata->su2_max_uA / 150, 255);
break;
default:
- ret = -EINVAL;
- goto esu2;
+ return -EINVAL;
}
ret = as3711_bl_init_su2(supply);
@@ -457,26 +456,12 @@ static int as3711_backlight_probe(struct platform_device *pdev)
ret = as3711_bl_register(pdev, max_brightness, su);
if (ret < 0)
- goto esu2;
+ return ret;
}
platform_set_drvdata(pdev, supply);
return 0;
-
-esu2:
- backlight_device_unregister(supply->su1.bl);
- return ret;
-}
-
-static int as3711_backlight_remove(struct platform_device *pdev)
-{
- struct as3711_bl_supply *supply = platform_get_drvdata(pdev);
-
- backlight_device_unregister(supply->su1.bl);
- backlight_device_unregister(supply->su2.bl);
-
- return 0;
}
static struct platform_driver as3711_backlight_driver = {
@@ -485,7 +470,6 @@ static struct platform_driver as3711_backlight_driver = {
.owner = THIS_MODULE,
},
.probe = as3711_backlight_probe,
- .remove = as3711_backlight_remove,
};
module_platform_driver(as3711_backlight_driver);
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