C++ (Cpp) DPCD_MAX_LANE_COUNT Beispiele

Beispiel #1

Datei: exynos_dp_core.c Projekt: 383530895/linux

static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp,
					u8 *lane_count)
{
	u8 data;

	/*
	 * For DP rev.1.1, Maximum number of Main Link lanes
	 * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
	 */
	exynos_dp_read_byte_from_dpcd(dp, DP_MAX_LANE_COUNT, &data);
	*lane_count = DPCD_MAX_LANE_COUNT(data);
}

Beispiel #2

Datei: analogix_dp_core.c Projekt: igithubaccount/linux

static void analogix_dp_get_max_rx_lane_count(struct analogix_dp_device *dp,
					      u8 *lane_count)
{
	u8 data;

	/*
	 * For DP rev.1.1, Maximum number of Main Link lanes
	 * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
	 */
	drm_dp_dpcd_readb(&dp->aux, DP_MAX_LANE_COUNT, &data);
	*lane_count = DPCD_MAX_LANE_COUNT(data);
}

Beispiel #3

static int rk32_edp_get_max_rx_lane_count(struct rk32_edp *edp,
					u8 *lane_count)
{
	u8 data;
	int retval;

	/*
	 * For DP rev.1.1, Maximum number of Main Link lanes
	 * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
	 */
	retval = rk32_edp_read_byte_from_dpcd(edp,
			DPCD_MAX_LANE_CNT, &data);
	if (retval < 0)
		return retval;

	*lane_count = DPCD_MAX_LANE_COUNT(data);
	return 0;
}