[PATCH v2 5/6] ASoC: Intel: Skylake: Fix driver hang during shutdown

[Cezary Rojewski]

AudioDSP cores and HDAudio links need to be turned off on shutdown to
ensure no communication or data transfer occurs during the procedure.

Fixes: c5a76a246989 ("ASoC: Intel: Skylake: Add shutdown callback")
Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
---
 sound/soc/intel/skylake/skl.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index 9bd9f9866898..998bd0232cf1 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -1107,7 +1107,10 @@ static void skl_shutdown(struct pci_dev *pci)
 	if (!skl->init_done)
 		return;
 
-	snd_hdac_stop_streams_and_chip(bus);
+	snd_hdac_stop_streams(bus);
+	snd_hdac_ext_bus_link_power_down_all(bus);
+	skl_dsp_sleep(skl->dsp);
+
 	list_for_each_entry(s, &bus->stream_list, list) {
 		stream = stream_to_hdac_ext_stream(s);
 		snd_hdac_ext_stream_decouple(bus, stream, false);
-- 
2.25.1