diff options
Diffstat (limited to 'drivers/leds/leds-gpio.c')
| -rw-r--r-- | drivers/leds/leds-gpio.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index a3428b22de3a..c4e0ceda70a7 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -50,8 +50,15 @@ static void gpio_led_set(struct led_classdev *led_cdev, led_dat->platform_gpio_blink_set(led_dat->gpiod, level, NULL, NULL); led_dat->blinking = 0; + } else if (led_dat->cdev.flags & SET_GPIO_INPUT) { + gpiod_direction_input(led_dat->gpiod); + led_dat->cdev.flags &= ~SET_GPIO_INPUT; + } else if (led_dat->cdev.flags & SET_GPIO_OUTPUT) { + gpiod_direction_output(led_dat->gpiod, level); + led_dat->cdev.flags &= ~SET_GPIO_OUTPUT; } else { - if (led_dat->can_sleep) + if (led_dat->can_sleep || + (led_dat->cdev.flags & (SET_GPIO_INPUT | SET_GPIO_OUTPUT) )) gpiod_set_value_cansleep(led_dat->gpiod, level); else gpiod_set_value(led_dat->gpiod, level); @@ -65,6 +72,13 @@ static int gpio_led_set_blocking(struct led_classdev *led_cdev, return 0; } +static enum led_brightness gpio_led_get(struct led_classdev *led_cdev) +{ + struct gpio_led_data *led_dat = + container_of(led_cdev, struct gpio_led_data, cdev); + return gpiod_get_value_cansleep(led_dat->gpiod) ? LED_FULL : LED_OFF; +} + static int gpio_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on, unsigned long *delay_off) { @@ -94,6 +108,7 @@ static int create_gpio_led(const struct gpio_led *template, led_dat->platform_gpio_blink_set = blink_set; led_dat->cdev.blink_set = gpio_blink_set; } + led_dat->cdev.brightness_get = gpio_led_get; if (template->default_state == LEDS_GPIO_DEFSTATE_KEEP) { state = gpiod_get_value_cansleep(led_dat->gpiod); if (state < 0) |