From 47934e0fcbbe2bf488bcae2d68431b9ea5972488 Mon Sep 17 00:00:00 2001
From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Date: Thu, 25 Nov 2021 12:15:15 +0200
Subject: [PATCH] ASoC: SOF: call platform hw_free for paused streams during suspend
Git-commit: 47934e0fcbbe2bf488bcae2d68431b9ea5972488
Patch-mainline: v5.17-rc1
References: jsc#PED-850
Paused streams must be stopped and platform hw_free should be invoked
during system suspend so they can be restarted properly after system
resume.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211125101520.291581-6-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/sof/sof-audio.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index e00ce275052f..d81071b39825 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -751,10 +751,17 @@ static int sof_tear_down_left_over_pipelines(struct snd_sof_dev *sdev)
continue;
if (spcm->stream[dir].list) {
+ /* Free PCM in the DSP */
ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
if (ret < 0)
return ret;
+ /* stop DMA */
+ ret = snd_sof_pcm_platform_hw_free(sdev, substream);
+ if (ret < 0)
+ return ret;
+
+ /* free the DAPM widget list */
ret = sof_widget_list_free(sdev, spcm, dir);
if (ret < 0) {
dev_err(sdev->dev, "failed to free widgets during suspend\n");
--
2.35.3