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backlight: corgi_lcd: use devm_{backlight,lcd}_device_register()

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Use devm_backlight_device_register() and devm_lcd_device_register() to
make cleanup paths simpler.

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 15:09:34 -08:00 committed by Linus Torvalds
parent 7a78e1b24b
commit 10645a1d18
1 changed files with 9 additions and 19 deletions
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28
drivers/video/backlight/corgi_lcd.c
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@ -550,8 +550,8 @@ static int corgi_lcd_probe(struct spi_device *spi)
lcd->spi_dev = spi;
lcd->lcd_dev = lcd_device_register("corgi_lcd", &spi->dev,
lcd, &corgi_lcd_ops);
lcd->lcd_dev = devm_lcd_device_register(&spi->dev, "corgi_lcd",
&spi->dev, lcd, &corgi_lcd_ops);
if (IS_ERR(lcd->lcd_dev))
return PTR_ERR(lcd->lcd_dev);
@ -561,18 +561,18 @@ static int corgi_lcd_probe(struct spi_device *spi)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = pdata->max_intensity;
lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd,
&corgi_bl_ops, &props);
if (IS_ERR(lcd->bl_dev)) {
ret = PTR_ERR(lcd->bl_dev);
goto err_unregister_lcd;
}
lcd->bl_dev = devm_backlight_device_register(&spi->dev, "corgi_bl",
&spi->dev, lcd, &corgi_bl_ops,
&props);
if (IS_ERR(lcd->bl_dev))
return PTR_ERR(lcd->bl_dev);
lcd->bl_dev->props.brightness = pdata->default_intensity;
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
ret = setup_gpio_backlight(lcd, pdata);
if (ret)
goto err_unregister_bl;
return ret;
lcd->kick_battery = pdata->kick_battery;
@ -583,12 +583,6 @@ static int corgi_lcd_probe(struct spi_device *spi)
lcd->limit_mask = pdata->limit_mask;
the_corgi_lcd = lcd;
return 0;
err_unregister_bl:
backlight_device_unregister(lcd->bl_dev);
err_unregister_lcd:
lcd_device_unregister(lcd->lcd_dev);
return ret;
}
static int corgi_lcd_remove(struct spi_device *spi)
@ -598,11 +592,7 @@ static int corgi_lcd_remove(struct spi_device *spi)
lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
lcd->bl_dev->props.brightness = 0;
backlight_update_status(lcd->bl_dev);
backlight_device_unregister(lcd->bl_dev);
corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN);
lcd_device_unregister(lcd->lcd_dev);
return 0;
}