Unverified Commit f747eb86 authored by Yong Zhi's avatar Yong Zhi Committed by Mark Brown
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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: default avatarYong Zhi <yong.zhi@intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230406154454.18163-1-pierre-louis.bossart@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent a7fe7e24

sound/soc/sof/intel/mtl.c

+6 −3
Original line number Diff line number Diff line
@@ -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 */

	/* 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;

}