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ASoC: SOF: Intel: MTL: conditionally wake WPIO1PG domain

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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>
This commit is contained in:
Yong Zhi 2023-04-06 10:44:54 -05:00 committed by Mark Brown
parent a7fe7e24b2
commit f747eb86e4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 3 deletions
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9
sound/soc/sof/intel/mtl.c
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@ -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;
}