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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: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Yaochun Hung <yc.hung@mediatek.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220422055659.8738-5-tinghan.shen@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tinghan Shen 2022-04-22 13:56:59 +08:00 committed by Mark Brown
parent 210b3ab932
commit 0e0b83cc7e
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 28 additions and 0 deletions
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28
sound/soc/sof/mediatek/mt8186/mt8186.c
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@ -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 |