Re: [PATCH] backlight: lm3639: use devm_backlight_device_register()

[Lee Jones]

> > 
> >  change to use devm_backlight_device_register() for simple cleanup.
> > 
> > Signed-off-by: Daniel Jeong <gshark.jeong@xxxxxxxxx>
> 
> Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> 
> Lee Jones,
> Would you merge this patch into your backlight tree?

Applied with Jingoo's Ack.

> > ---
> >  drivers/video/backlight/lm3639_bl.c |   17 +++++++----------
> >  1 file changed, 7 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
> > index 6fd60ad..5f36808 100644
> > --- a/drivers/video/backlight/lm3639_bl.c
> > +++ b/drivers/video/backlight/lm3639_bl.c
> > @@ -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@xxxxxx>");
> > -MODULE_AUTHOR("G.Shark Jeong <gshark.jeong@xxxxxxxxx>");
> > +MODULE_AUTHOR("Daniel Jeong <gshark.jeong@xxxxxxxxx>");
> > +MODULE_AUTHOR("Ldd Mlp <ldd-mlp@xxxxxxxxxxx>");
> >  MODULE_LICENSE("GPL v2");
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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