diff options
Diffstat (limited to 'include/linux/leds.h')
| -rw-r--r-- | include/linux/leds.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 6300313c46b7..6885603f211b 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -107,6 +107,8 @@ struct led_classdev { #define LED_BRIGHT_HW_CHANGED BIT(21) #define LED_RETAIN_AT_SHUTDOWN BIT(22) #define LED_INIT_DEFAULT_TRIGGER BIT(23) +#define LED_REJECT_NAME_CONFLICT BIT(24) +#define LED_MULTI_COLOR BIT(25) /* set_brightness_work / blink_timer flags, atomic, private. */ unsigned long work_flags; @@ -374,6 +376,25 @@ void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness); int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value); /** + * led_mc_set_brightness - set mc LED color intensity values and brightness + * @led_cdev: the LED to set + * @intensity_value: array of per color intensity values to set + * @num_colors: amount of entries in intensity_value array + * @brightness: the brightness to set the LED to + * + * Set a multi-color LED's per color intensity values and brightness. + * If necessary, this cancels the software blink timer. This function is + * guaranteed not to sleep. + * + * Calling this function on a non multi-color led_classdev or with the wrong + * num_colors value is an error. In this case an error will be logged once + * and the call will do nothing. + */ +void led_mc_set_brightness(struct led_classdev *led_cdev, + unsigned int *intensity_value, unsigned int num_colors, + unsigned int brightness); + +/** * led_update_brightness - update LED brightness * @led_cdev: the LED to query * @@ -428,6 +449,16 @@ int led_compose_name(struct device *dev, struct led_init_data *init_data, char *led_classdev_name); /** + * led_get_color_name - get string representation of color ID + * @color_id: The LED_COLOR_ID_* constant + * + * Get the string name of a LED_COLOR_ID_* constant. + * + * Returns: A string constant or NULL on an invalid ID. + */ +const char *led_get_color_name(u8 color_id); + +/** * led_sysfs_is_disabled - check if LED sysfs interface is disabled * @led_cdev: the LED to query * @@ -490,6 +521,9 @@ void led_trigger_register_simple(const char *name, struct led_trigger **trigger); void led_trigger_unregister_simple(struct led_trigger *trigger); void led_trigger_event(struct led_trigger *trigger, enum led_brightness event); +void led_mc_trigger_event(struct led_trigger *trig, + unsigned int *intensity_value, unsigned int num_colors, + enum led_brightness brightness); void led_trigger_blink(struct led_trigger *trigger, unsigned long delay_on, unsigned long delay_off); void led_trigger_blink_oneshot(struct led_trigger *trigger, @@ -532,6 +566,9 @@ static inline void led_trigger_register_simple(const char *name, static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} static inline void led_trigger_event(struct led_trigger *trigger, enum led_brightness event) {} +static inline void led_mc_trigger_event(struct led_trigger *trig, + unsigned int *intensity_value, unsigned int num_colors, + enum led_brightness brightness) {} static inline void led_trigger_blink(struct led_trigger *trigger, unsigned long delay_on, unsigned long delay_off) {} |