From: Bard Liao Date: Wed, 14 Jul 2021 03:22:07 +0000 (+0800) Subject: soundwire: stream: don't program mockup device ports X-Git-Tag: microblaze-v5.16~157^2~5^2~6 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=24f08b3aa5a5e42977c5a1d711d5cb7d9adbd94d;p=linux-2.6-microblaze.git 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 --- 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);