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ASoC: Intel: Skylake: Add shutdown callback

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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: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeeja KP 2016-02-05 12:19:09 +05:30 committed by Mark Brown
parent cc6a4044bd
commit c5a76a2469
1 changed files with 26 additions and 0 deletions
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26
sound/soc/intel/skylake/skl.c
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@ -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,
},