From: YC Hung yc.hung@mediatek.com
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@mediatek.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com --- 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,