Unverified Commit e063330a authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Mark Brown
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ASoC: SOF: mediatek: add shutdown callback 



If we do not shutdown the peripheral properly at shutdown, the whole system
crashes after kexec() on the first io access.

Let's implement the appropriate callback.

Signed-off-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221127-mtk-snd-v1-0-b7886faa612b@chromium.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 93d519a1

sound/soc/sof/mediatek/mt8186/mt8186.c

+7 −0
Original line number Diff line number Diff line
@@ -430,6 +430,11 @@ static int mt8186_dsp_remove(struct snd_sof_dev *sdev) 
	return 0;

}



static int mt8186_dsp_shutdown(struct snd_sof_dev *sdev)

{

	return snd_sof_suspend(sdev->dev);

}



static int mt8186_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)

{

	mt8186_sof_hifixdsp_shutdown(sdev);
@@ -538,6 +543,7 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { 
	/* probe and remove */

	.probe		= mt8186_dsp_probe,

	.remove		= mt8186_dsp_remove,

	.shutdown	= mt8186_dsp_shutdown,



	/* DSP core boot */

	.run		= mt8186_run,
@@ -629,6 +635,7 @@ MODULE_DEVICE_TABLE(of, sof_of_mt8186_ids); 
static struct platform_driver snd_sof_of_mt8186_driver = {

	.probe = sof_of_probe,

	.remove = sof_of_remove,

	.shutdown = sof_of_shutdown,

	.driver = {

	.name = "sof-audio-of-mt8186",

		.pm = &sof_of_pm,