diff options
| author | Tinghan Shen <tinghan.shen@mediatek.com> | 2022-04-22 13:56:59 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-04-25 14:04:46 +0100 |
| commit | 0e0b83cc7ec7fc5e6695aa6ebbb0961e26096105 (patch) | |
| tree | 329612adc67854b3e301b5eea03ad340be42f6b3 | |
| parent | 210b3ab932f7a08d8b912c497ca0ca86f712814f (diff) | |
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>
| -rw-r--r-- | sound/soc/sof/mediatek/mt8186/mt8186.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index a04cea77bd4d..c8faa63497c6 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -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 | |