Lines Matching defs:heartbeat

3  * Simple heartbeat STM source driver
30 static const char str[] = "heartbeat stm source driver is here to serve you";
34 	struct stm_heartbeat *heartbeat = container_of(hr, struct stm_heartbeat,
37 	stm_source_write(&heartbeat->data, 0, str, sizeof str);
38 	if (heartbeat->active)
41 	return heartbeat->active ? HRTIMER_RESTART : HRTIMER_NORESTART;
46 	struct stm_heartbeat *heartbeat =
49 	heartbeat->active = 1;
50 	hrtimer_start(&heartbeat->hrtimer, ms_to_ktime(interval_ms),
58 	struct stm_heartbeat *heartbeat =
61 	heartbeat->active = 0;
62 	hrtimer_cancel(&heartbeat->hrtimer);
74 			kasprintf(GFP_KERNEL, "heartbeat.%d", i);