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

From: Lee Jones
Date: Fri Mar 14 2014 - 06:44:48 EST


> >
> > 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
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/