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* [PATCH] backlight: lm3639: use devm_backlight_device_register()
@ 2014-03-14  2:14 Daniel Jeong
  2014-03-14  2:22 ` Jingoo Han
  0 siblings, 1 reply; 3+ messages in thread
From: Daniel Jeong @ 2014-03-14  2:14 UTC (permalink / raw)
  To: Jingoo Han
  Cc: Daniel Jeong, linux-fbdev, linux-kernel,
	Jean-Christophe Plagniol-Villard, Tomi Valkeinen, Bryan Wu,
	Lee Jones

 change to use devm_backlight_device_register() for simple cleanup.

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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-03-14 10:44 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2014-03-14  2:14 [PATCH] backlight: lm3639: use devm_backlight_device_register() Daniel Jeong
2014-03-14  2:22 ` Jingoo Han
2014-03-14 10:44   ` Lee Jones

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