diff options
Diffstat (limited to 'drivers/leds/leds-s3c24xx.c')
| -rw-r--r-- | drivers/leds/leds-s3c24xx.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/drivers/leds/leds-s3c24xx.c b/drivers/leds/leds-s3c24xx.c index bd0a5ed49c4..942f0ea1817 100644 --- a/drivers/leds/leds-s3c24xx.c +++ b/drivers/leds/leds-s3c24xx.c @@ -45,17 +45,19 @@ static void s3c24xx_led_set(struct led_classdev *led_cdev, { struct s3c24xx_gpio_led *led = to_gpio(led_cdev); struct s3c24xx_led_platdata *pd = led->pdata; + int state = (value ? 1 : 0) ^ (pd->flags & S3C24XX_LEDF_ACTLOW); /* there will be a short delay between setting the output and * going from output to input when using tristate. */ - s3c2410_gpio_setpin(pd->gpio, (value ? 1 : 0) ^ - (pd->flags & S3C24XX_LEDF_ACTLOW)); - - if (pd->flags & S3C24XX_LEDF_TRISTATE) - s3c2410_gpio_cfgpin(pd->gpio, - value ? S3C2410_GPIO_OUTPUT : S3C2410_GPIO_INPUT); + gpio_set_value(pd->gpio, state); + if (pd->flags & S3C24XX_LEDF_TRISTATE) { + if (value) + gpio_direction_output(pd->gpio, state); + else + gpio_direction_input(pd->gpio); + } } static int s3c24xx_led_remove(struct platform_device *dev) @@ -63,7 +65,6 @@ static int s3c24xx_led_remove(struct platform_device *dev) struct s3c24xx_gpio_led *led = pdev_to_gpio(dev); led_classdev_unregister(&led->cdev); - kfree(led); return 0; } @@ -74,7 +75,8 @@ static int s3c24xx_led_probe(struct platform_device *dev) struct s3c24xx_gpio_led *led; int ret; - led = kzalloc(sizeof(struct s3c24xx_gpio_led), GFP_KERNEL); + led = devm_kzalloc(&dev->dev, sizeof(struct s3c24xx_gpio_led), + GFP_KERNEL); if (led == NULL) { dev_err(&dev->dev, "No memory for device\n"); return -ENOMEM; @@ -89,27 +91,27 @@ static int s3c24xx_led_probe(struct platform_device *dev) led->pdata = pdata; + ret = devm_gpio_request(&dev->dev, pdata->gpio, "S3C24XX_LED"); + if (ret < 0) + return ret; + /* no point in having a pull-up if we are always driving */ - if (pdata->flags & S3C24XX_LEDF_TRISTATE) { - s3c2410_gpio_setpin(pdata->gpio, 0); - s3c2410_gpio_cfgpin(pdata->gpio, S3C2410_GPIO_INPUT); - } else { - s3c2410_gpio_pullup(pdata->gpio, 0); - s3c2410_gpio_setpin(pdata->gpio, 0); - s3c2410_gpio_cfgpin(pdata->gpio, S3C2410_GPIO_OUTPUT); - } + s3c_gpio_setpull(pdata->gpio, S3C_GPIO_PULL_NONE); + + if (pdata->flags & S3C24XX_LEDF_TRISTATE) + gpio_direction_input(pdata->gpio); + else + gpio_direction_output(pdata->gpio, + pdata->flags & S3C24XX_LEDF_ACTLOW ? 1 : 0); /* register our new led device */ ret = led_classdev_register(&dev->dev, &led->cdev); - if (ret < 0) { + if (ret < 0) dev_err(&dev->dev, "led_classdev_register failed\n"); - kfree(led); - return ret; - } - return 0; + return ret; } static struct platform_driver s3c24xx_led_driver = { |