struct led_classdev {
const char *name;
int brightness;
+ int max_brightness;
int flags;
+ /* Lower 16 bits reflect status */
#define LED_SUSPENDED (1 << 0)
+ /* Upper 16 bits reflect control information */
+#define LED_CORE_SUSPENDRESUME (1 << 16)
/* Set LED brightness level */
/* Must not sleep, use a workqueue if needed */
/* Get LED brightness level */
enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
- /* Activate hardware accelerated blink */
+ /* Activate hardware accelerated blink, delays are in
+ * miliseconds and if none is provided then a sensible default
+ * should be chosen. The call can adjust the timings if it can't
+ * match the values specified exactly. */
int (*blink_set)(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off);
const char *name;
const char *default_trigger;
unsigned gpio;
- u8 active_low;
+ unsigned active_low : 1;
+ unsigned retain_state_suspended : 1;
+ unsigned default_state : 2;
+ /* default_state should be one of LEDS_GPIO_DEFSTATE_(ON|OFF|KEEP) */
};
+#define LEDS_GPIO_DEFSTATE_OFF 0
+#define LEDS_GPIO_DEFSTATE_ON 1
+#define LEDS_GPIO_DEFSTATE_KEEP 2
struct gpio_led_platform_data {
int num_leds;