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Commit c5a76a24 authored by Jeeja KP's avatar Jeeja KP Committed by Mark Brown
Browse files

ASoC: Intel: Skylake: Add shutdown callback 



While going to shutdown, we need to bring HW to clean state. This
is done by cleaning up stream descriptor registers. This cleanup
is already done by decoupling of stream and stopping the chip, so
invoke these from shutdown handler.

Signed-off-by: default avatarJeeja KP <jeeja.kp@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cc6a4044

sound/soc/intel/skylake/skl.c

+26 −0
Original line number Diff line number Diff line
@@ -634,6 +634,31 @@ static int skl_probe(struct pci_dev *pci, 
	return err;

}



static void skl_shutdown(struct pci_dev *pci)

{

	struct hdac_ext_bus *ebus = pci_get_drvdata(pci);

	struct hdac_bus *bus = ebus_to_hbus(ebus);

	struct hdac_stream *s;

	struct hdac_ext_stream *stream;

	struct skl *skl;



	if (ebus == NULL)

		return;



	skl = ebus_to_skl(ebus);



	if (skl->init_failed)

		return;



	snd_hdac_ext_stop_streams(ebus);

	list_for_each_entry(s, &bus->stream_list, list) {

		stream = stream_to_hdac_ext_stream(s);

		snd_hdac_ext_stream_decouple(ebus, stream, false);

	}



	snd_hdac_bus_stop_chip(bus);

}



static void skl_remove(struct pci_dev *pci)

{

	struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
@@ -677,6 +702,7 @@ static struct pci_driver skl_driver = { 
	.id_table = skl_ids,

	.probe = skl_probe,

	.remove = skl_remove,

	.shutdown = skl_shutdown,

	.driver = {

		.pm = &skl_pm,

	},