dp_get_nibble_at_index
dp_get_nibble_at_index(&dpcd_lane_adjustment[0].raw, lane);
status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane);
lane_status.raw = dp_get_nibble_at_index(
lane_status.raw = dp_get_nibble_at_index(&dpcd_buf[2], lane);
dp_get_nibble_at_index(&dpcd_buf[0], lane);
dp_get_nibble_at_index(&dpcd_buf[lane_adjust_offset], lane);
uint8_t dp_get_nibble_at_index(const uint8_t *buf,