[PATCH 5/6] soundwire: stream: fix support for multiple Slaves on the same link

From: Pierre-Louis Bossart
Date: Wed Jan 08 2020 - 12:55:12 EST


From: Rander Wang <rander.wang@xxxxxxxxx>

The existing code will unconditionally return after dealing with the
first Slave on a link. This return should only happen when there is
an error case.

Tested on Comet Lake platform.

Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
drivers/soundwire/stream.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index c28ce7f0d742..da10f38298c0 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -587,10 +587,11 @@ static int sdw_notify_config(struct sdw_master_runtime *m_rt)

if (slave->ops->bus_config) {
ret = slave->ops->bus_config(slave, &bus->params);
- if (ret < 0)
+ if (ret < 0) {
dev_err(bus->dev, "Notify Slave: %d failed\n",
slave->dev_num);
- return ret;
+ return ret;
+ }
}
}

--
2.20.1