soundwire: stream: fix support for multiple Slaves on the same link

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: NRander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20200114235227.14502-5-pierre-louis.bossart@linux.intel.comSigned-off-by: NVinod Koul <vkoul@kernel.org>

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;
+			}
 		}
 	}