sdw_do_port_prep 460 drivers/soundwire/stream.c sdw_do_port_prep(s_rt, prep_ch, SDW_OPS_PORT_PRE_PREP); sdw_do_port_prep 493 drivers/soundwire/stream.c sdw_do_port_prep(s_rt, prep_ch, SDW_OPS_PORT_POST_PREP);