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backlight: atmel-pwm-bl: use devm_backlight_device_register()

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Use devm_backlight_device_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jingoo Han 2013-11-12 15:09:11 -08:00 • committed by Linus Torvalds
commit 3e61c73c52
1 changed files with 4 additions and 6 deletions
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10
drivers/video/backlight/atmel-pwm-bl.c
View file

@ -171,8 +171,9 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min;
bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl,
&atmel_pwm_bl_ops, &props);
bldev = devm_backlight_device_register(&pdev->dev, "atmel-pwm-bl",
&pdev->dev, pwmbl, &atmel_pwm_bl_ops,
&props);
if (IS_ERR(bldev)) {
retval = PTR_ERR(bldev);
goto err_free_pwm;
@ -188,14 +189,12 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
retval = atmel_pwm_bl_init_pwm(pwmbl);
if (retval)
goto err_free_bl_dev;
goto err_free_pwm;
atmel_pwm_bl_set_intensity(bldev);
return 0;
err_free_bl_dev:
backlight_device_unregister(bldev);
err_free_pwm:
pwm_channel_free(&pwmbl->pwmc);
err_free_mem:
@ -210,7 +209,6 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev)
gpio_set_value(pwmbl->gpio_on, 0);
pwm_channel_disable(&pwmbl->pwmc);
pwm_channel_free(&pwmbl->pwmc);
backlight_device_unregister(pwmbl->bldev);
return 0;
}