[PATCH] backlight: lm3639: use devm_backlight_device_register()

From: Daniel Jeong
Date: Thu Mar 13 2014 - 22:14:23 EST


change to use devm_backlight_device_register() for simple cleanup.

Signed-off-by: Daniel Jeong <gshark.jeong@xxxxxxxxx>
---
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");
--
1.7.9.5

--
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/