From: Yong Zhi <yong.zhi@xxxxxxxxx>
Wake IO1 from power gating if there is SoundWire enabled link discovered
by ACPI scan.
Signed-off-by: Yong Zhi <yong.zhi@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/mtl.c | 9 ++++++---
1 file 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;
}
--
2.37.2
