From: YC Hung <yc.hung@xxxxxxxxxxxx>
Add mt8195 shutdown callback function implementation to ensure that
shutdown flow is called to shutdown dsp core, disable adsp clock, and
power off dsp sram correctly during reboot flow.
Signed-off-by: YC Hung <yc.hung@xxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/mediatek/mt8195/mt8195.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c
index 3ab12f352935..b5e2fd72acfb 100644
--- a/sound/soc/sof/mediatek/mt8195/mt8195.c
+++ b/sound/soc/sof/mediatek/mt8195/mt8195.c
@@ -302,6 +302,11 @@ static int mt8195_dsp_probe(struct snd_sof_dev *sdev)
return ret;
}
+static int mt8195_dsp_shutdown(struct snd_sof_dev *sdev)
+{
+ return snd_sof_suspend(sdev->dev);
+}
+
static int mt8195_dsp_remove(struct snd_sof_dev *sdev)
{
struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev);
@@ -392,6 +397,7 @@ static const struct snd_sof_dsp_ops sof_mt8195_ops = {
/* probe and remove */
.probe = mt8195_dsp_probe,
.remove = mt8195_dsp_remove,
+ .shutdown = mt8195_dsp_shutdown,
/* DSP core boot */
.run = mt8195_run,
@@ -451,6 +457,7 @@ MODULE_DEVICE_TABLE(of, sof_of_mt8195_ids);
static struct platform_driver snd_sof_of_mt8195_driver = {
.probe = sof_of_probe,
.remove = sof_of_remove,
+ .shutdown = sof_of_shutdown,
.driver = {
.name = "sof-audio-of-mt8195",
.pm = &sof_of_pm,
--
2.30.2
