backlight: wm831x_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>
This commit is contained in:
Jingoo Han 2013-11-12 15:09:25 -08:00 committed by Linus Torvalds
parent 626d09089f
commit f369e66449

View File

@ -195,8 +195,8 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
props.max_brightness = max_isel;
bl = backlight_device_register("wm831x", &pdev->dev, data,
&wm831x_backlight_ops, &props);
bl = devm_backlight_device_register(&pdev->dev, "wm831x", &pdev->dev,
data, &wm831x_backlight_ops, &props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
return PTR_ERR(bl);
@ -214,21 +214,12 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
return 0;
}
static int wm831x_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
backlight_device_unregister(bl);
return 0;
}
static struct platform_driver wm831x_backlight_driver = {
.driver = {
.name = "wm831x-backlight",
.owner = THIS_MODULE,
},
.probe = wm831x_backlight_probe,
.remove = wm831x_backlight_remove,
};
module_platform_driver(wm831x_backlight_driver);