C++ (Cpp) cpcap_broadcast_key_event示例

示例#1

static void send_key_event(struct cpcap_3mm5_data *data, unsigned int state)
{
	dev_info(&data->cpcap->spi->dev, "Headset key event: old=%d, new=%d\n",
		 data->key_state, state);

	if (data->key_state != state) {
		data->key_state = state;
		cpcap_broadcast_key_event(data->cpcap, KEY_MEDIA, state);
	}
}

示例#2

static void send_key_event(struct cpcap_3mm5_data *data, unsigned int state)
{
	unsigned long now, discard;

	dev_info(&data->cpcap->spi->dev, "Headset key event: old=%d, new=%d\n",
		 data->key_state, state);

	now = jiffies;
	discard = headset_in_stamp + 2*HZ;
	if (data->key_state != state && time_after(now, discard)) {
		data->key_state = state;
		cpcap_broadcast_key_event(data->cpcap, KEY_MEDIA, state);
	} else {
		dev_info(&data->cpcap->spi->dev, "Headset key event ignored: "
				"now=%ld, discard=%ld\n", now, discard);
	}
}