From 24f08b3aa5a5e42977c5a1d711d5cb7d9adbd94d Mon Sep 17 00:00:00 2001 From: Bard Liao Date: Wed, 14 Jul 2021 11:22:07 +0800 Subject: soundwire: stream: don't program mockup device ports Mockup devices don't take part in command/control operations and their virtual ports shall not be programmed. Signed-off-by: Bard Liao Reviewed-by: Rander Wang Link: https://lore.kernel.org/r/20210714032209.11284-9-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- drivers/soundwire/stream.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/soundwire') 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); -- cgit