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backlight: ot200_bl: use devm_backlight_device_register()

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Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.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 2014-01-23 15:54:27 -08:00 committed by Linus Torvalds
parent c76d1022b4
commit 443956fdd5
1 changed files with 3 additions and 6 deletions
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9
drivers/video/backlight/ot200_bl.c
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@ -118,8 +118,9 @@ static int ot200_backlight_probe(struct platform_device *pdev)
props.brightness = 100;
props.type = BACKLIGHT_RAW;
bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, data,
&ot200_backlight_ops, &props);
bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev),
&pdev->dev, data, &ot200_backlight_ops,
&props);
if (IS_ERR(bl)) {
dev_err(&pdev->dev, "failed to register backlight\n");
retval = PTR_ERR(bl);
@ -137,10 +138,6 @@ static int ot200_backlight_probe(struct platform_device *pdev)
static int ot200_backlight_remove(struct platform_device *pdev)
{
struct backlight_device *bl = platform_get_drvdata(pdev);
backlight_device_unregister(bl);
/* on module unload set brightness to 100% */
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_COUNTER, 0);
cs5535_mfgpt_write(pwm_timer, MFGPT_REG_SETUP, MFGPT_SETUP_CNTEN);