Mockup devices don't take part in command/control operations and their virtual ports shall not be programmed. Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx> --- drivers/soundwire/stream.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index d84aaf115c13..5d4f6b308ef7 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -133,6 +133,9 @@ static int sdw_program_slave_port_params(struct sdw_bus *bus, int ret; u8 wbuf; + if (s_rt->slave->is_mockup_device) + return 0; + dpn_prop = sdw_get_slave_dpn_prop(s_rt->slave, s_rt->direction, t_params->port_num); -- 2.17.1
