diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/backlight/atmel-pwm-bl.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index bfd6a968093..c2542095a04 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -48,7 +48,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) pwm_duty = pwmbl->pdata->pwm_duty_min; if (!intensity) { - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 0 ^ pwmbl->pdata->on_active_low); } @@ -57,7 +57,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) } else { pwm_channel_enable(&pwmbl->pwmc); pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 1 ^ pwmbl->pdata->on_active_low); } @@ -146,7 +146,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) if (retval) return retval; - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on, "gpio_atmel_pwm_bl"); if (retval) @@ -196,7 +196,7 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev) { struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 0 ^ pwmbl->pdata->on_active_low); } |