diff options
| author | Yong Zhi <yong.zhi@intel.com> | 2023-04-06 10:44:54 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-06 18:04:23 +0100 |
| commit | f747eb86e4a82d0823328f642a667bffce703028 (patch) | |
| tree | 721ca07a4b2026704ec724630f5883ec0bde1159 /sound/soc/sof/intel | |
| parent | a7fe7e24b2cddbe995b5b49e274d3a69dde7c7d9 (diff) | |
ASoC: SOF: Intel: MTL: conditionally wake WPIO1PG domain
Wake IO1 from power gating if there is SoundWire enabled link discovered
by ACPI scan.
Signed-off-by: Yong Zhi <yong.zhi@intel.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>
Link: https://lore.kernel.org/r/20230406154454.18163-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel')
| -rw-r--r-- | sound/soc/sof/intel/mtl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c index 58959c24cb71..882ce5536ab6 100644 --- a/sound/soc/sof/intel/mtl.c +++ b/sound/soc/sof/intel/mtl.c @@ -217,6 +217,7 @@ static int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable) /* pre fw run operations */ static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev) { + struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; u32 dsphfpwrsts; u32 dsphfdsscs; u32 cpa; @@ -255,9 +256,11 @@ static int mtl_dsp_pre_fw_run(struct snd_sof_dev *sdev) if (ret < 0) dev_err(sdev->dev, "failed to power up gated DSP domain\n"); - /* make sure SoundWire is not power-gated */ - snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL, - MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1)); + /* if SoundWire is used, make sure it is not power-gated */ + if (hdev->info.handle && hdev->info.link_mask > 0) + snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, MTL_HFPWRCTL, + MTL_HfPWRCTL_WPIOXPG(1), MTL_HfPWRCTL_WPIOXPG(1)); + return ret; } |