[PATCH 10/18] soundwire: intel: call helper to reset Slave states on resume

From: Pierre-Louis Bossart
Date: Wed Oct 23 2019 - 17:46:37 EST


This helps make sure they are all UNATTACHED.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
drivers/soundwire/intel.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index c3cd7d2d5a34..36e09e273eda 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1435,6 +1435,9 @@ static int intel_resume_runtime(struct device *dev)
return ret;
}

+ /* make sure all Slaves are tagged as UNATTACHED */
+ sdw_clear_slave_status(&sdw->cdns.bus);
+
ret = sdw_cdns_enable_interrupt(cdns, true);
if (ret < 0) {
dev_err(dev, "cannot enable interrupts during resume\n");
--
2.20.1