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backlight: lm3639: Use devm_backlight_device_register()

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Change to use devm_backlight_device_register() for simple cleanup.

Signed-off-by: Daniel Jeong <gshark.jeong@gmail.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Daniel Jeong 2014-03-14 11:14:00 +09:00 committed by Lee Jones
parent 9a6adb339e
commit f1740e4cff
1 changed files with 7 additions and 10 deletions
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17
drivers/video/backlight/lm3639_bl.c
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@ -349,8 +349,9 @@ static int lm3639_probe(struct i2c_client *client,
props.brightness = pdata->init_brt_led;
props.max_brightness = pdata->max_brt_led;
pchip->bled =
backlight_device_register("lm3639_bled", pchip->dev, pchip,
&lm3639_bled_ops, &props);
devm_backlight_device_register(pchip->dev, "lm3639_bled",
pchip->dev, pchip, &lm3639_bled_ops,
&props);
if (IS_ERR(pchip->bled)) {
dev_err(&client->dev, "fail : backlight register\n");
ret = PTR_ERR(pchip->bled);
@ -360,7 +361,7 @@ static int lm3639_probe(struct i2c_client *client,
ret = device_create_file(&(pchip->bled->dev), &dev_attr_bled_mode);
if (ret < 0) {
dev_err(&client->dev, "failed : add sysfs entries\n");
goto err_bled_mode;
goto err_out;
}
/* flash */
@ -391,8 +392,6 @@ err_torch:
led_classdev_unregister(&pchip->cdev_flash);
err_flash:
device_remove_file(&(pchip->bled->dev), &dev_attr_bled_mode);
err_bled_mode:
backlight_device_unregister(pchip->bled);
err_out:
return ret;
}
@ -407,10 +406,8 @@ static int lm3639_remove(struct i2c_client *client)
led_classdev_unregister(&pchip->cdev_torch);
if (&pchip->cdev_flash)
led_classdev_unregister(&pchip->cdev_flash);
if (pchip->bled) {
if (pchip->bled)
device_remove_file(&(pchip->bled->dev), &dev_attr_bled_mode);
backlight_device_unregister(pchip->bled);
}
return 0;
}
@ -432,6 +429,6 @@ static struct i2c_driver lm3639_i2c_driver = {
module_i2c_driver(lm3639_i2c_driver);
MODULE_DESCRIPTION("Texas Instruments Backlight+Flash LED driver for LM3639");
MODULE_AUTHOR("Daniel Jeong <daniel.jeong@ti.com>");
MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@gmail.com>");
MODULE_AUTHOR("Daniel Jeong <gshark.jeong@gmail.com>");
MODULE_AUTHOR("Ldd Mlp <ldd-mlp@list.ti.com>");
MODULE_LICENSE("GPL v2");