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Code

leds: wm8350: Convert to devm_regulator_get()

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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Axel Lin 2012-08-10 10:08:32 +08:00 committed by Bryan Wu
parent ee539a9309
commit 490dcee9b4
1 changed files with 7 additions and 22 deletions
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29
drivers/leds/leds-wm8350.c
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@ -201,7 +201,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
struct regulator *isink, *dcdc;
struct wm8350_led *led;
struct wm8350_led_platform_data *pdata = pdev->dev.platform_data;
int ret, i;
int i;
if (pdata == NULL) {
dev_err(&pdev->dev, "no platform data\n");
@ -214,24 +214,21 @@ static int wm8350_led_probe(struct platform_device *pdev)
return -EINVAL;
}
isink = regulator_get(&pdev->dev, "led_isink");
isink = devm_regulator_get(&pdev->dev, "led_isink");
if (IS_ERR(isink)) {
printk(KERN_ERR "%s: can't get ISINK\n", __func__);
return PTR_ERR(isink);
}
dcdc = regulator_get(&pdev->dev, "led_vcc");
dcdc = devm_regulator_get(&pdev->dev, "led_vcc");
if (IS_ERR(dcdc)) {
printk(KERN_ERR "%s: can't get DCDC\n", __func__);
ret = PTR_ERR(dcdc);
goto err_isink;
return PTR_ERR(dcdc);
}
led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
if (led == NULL) {
ret = -ENOMEM;
goto err_dcdc;
}
if (led == NULL)
return -ENOMEM;
led->cdev.brightness_set = wm8350_led_set;
led->cdev.default_trigger = pdata->default_trigger;
@ -257,17 +254,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
led->value = LED_OFF;
platform_set_drvdata(pdev, led);
ret = led_classdev_register(&pdev->dev, &led->cdev);
if (ret < 0)
goto err_dcdc;
return 0;
err_dcdc:
regulator_put(dcdc);
err_isink:
regulator_put(isink);
return ret;
return led_classdev_register(&pdev->dev, &led->cdev);
}
static int wm8350_led_remove(struct platform_device *pdev)
@ -277,8 +264,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
led_classdev_unregister(&led->cdev);
flush_work_sync(&led->work);
wm8350_led_disable(led);
regulator_put(led->dcdc);
regulator_put(led->isink);
return 0;
}