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 <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20210714032209.11284-9-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index d84aaf1..5d4f6b3 100644 (file)
--- 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);