diff options
Diffstat (limited to 'drivers/leds/leds-pca955x.c')
| -rw-r--r-- | drivers/leds/leds-pca955x.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c index 905729191d3e..78183f90820e 100644 --- a/drivers/leds/leds-pca955x.c +++ b/drivers/leds/leds-pca955x.c @@ -61,6 +61,10 @@ #define PCA955X_LS_BLINK0 0x2 /* Blink at PWM0 rate */ #define PCA955X_LS_BLINK1 0x3 /* Blink at PWM1 rate */ +#define PCA955X_GPIO_INPUT LED_OFF +#define PCA955X_GPIO_HIGH LED_OFF +#define PCA955X_GPIO_LOW LED_FULL + enum pca955x_type { pca9550, pca9551, @@ -329,9 +333,9 @@ static int pca955x_set_value(struct gpio_chip *gc, unsigned int offset, struct pca955x_led *led = &pca955x->leds[offset]; if (val) - return pca955x_led_set(&led->led_cdev, LED_FULL); - else - return pca955x_led_set(&led->led_cdev, LED_OFF); + return pca955x_led_set(&led->led_cdev, PCA955X_GPIO_HIGH); + + return pca955x_led_set(&led->led_cdev, PCA955X_GPIO_LOW); } static void pca955x_gpio_set_value(struct gpio_chip *gc, unsigned int offset, @@ -355,8 +359,11 @@ static int pca955x_gpio_get_value(struct gpio_chip *gc, unsigned int offset) static int pca955x_gpio_direction_input(struct gpio_chip *gc, unsigned int offset) { - /* To use as input ensure pin is not driven */ - return pca955x_set_value(gc, offset, 0); + struct pca955x *pca955x = gpiochip_get_data(gc); + struct pca955x_led *led = &pca955x->leds[offset]; + + /* To use as input ensure pin is not driven. */ + return pca955x_led_set(&led->led_cdev, PCA955X_GPIO_INPUT); } static int pca955x_gpio_direction_output(struct gpio_chip *gc, |