Unverified Commit 0e0b83cc authored by Tinghan Shen's avatar Tinghan Shen Committed by Mark Brown
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ASoC: SOF: mediatek: Add DSP system PM callback for mt8186 



Add DSP system PM callback for suspend and resume

Signed-off-by: default avatarAllen-KH Cheng <allen-kh.cheng@mediatek.com>
Signed-off-by: default avatarTinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarYaochun Hung <yc.hung@mediatek.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220422055659.8738-5-tinghan.shen@mediatek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 210b3ab9

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

+28 −0
Original line number Diff line number Diff line
@@ -304,6 +304,30 @@ static int mt8186_dsp_remove(struct snd_sof_dev *sdev) 
	return 0;

}



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

{

	sof_hifixdsp_shutdown(sdev);

	adsp_sram_power_off(sdev);

	adsp_clock_off(sdev);



	return 0;

}



static int mt8186_dsp_resume(struct snd_sof_dev *sdev)

{

	int ret;



	ret = adsp_clock_on(sdev);

	if (ret) {

		dev_err(sdev->dev, "adsp_clock_on fail!\n");

		return ret;

	}



	adsp_sram_power_on(sdev);



	return ret;

}



/* on mt8186 there is 1 to 1 match between type and BAR idx */

static int mt8186_get_bar_index(struct snd_sof_dev *sdev, u32 type)

{
@@ -338,6 +362,10 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { 
	/* Firmware ops */

	.dsp_arch_ops = &sof_xtensa_arch_ops,



	/* PM */

	.suspend	= mt8186_dsp_suspend,

	.resume		= mt8186_dsp_resume,



	/* ALSA HW info flags */

	.hw_info =	SNDRV_PCM_INFO_MMAP |

			SNDRV_PCM_INFO_MMAP_VALID |