From 05827a1537f35221d84b8f5606f2f4c1371c69f3 Mon Sep 17 00:00:00 2001
From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Date: Fri, 19 Nov 2021 21:26:21 +0200
Subject: [PATCH] ASoC: SOF: Intel: hda: free DAI widget during stop and suspend
Git-commit: 05827a1537f35221d84b8f5606f2f4c1371c69f3
Patch-mainline: v5.17-rc1
References: jsc#PED-850

To keep the widget use_counts balanced, free the DAI widget
during suspend and also during the stop trigger.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@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/20211119192621.4096077-11-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/sof/intel/hda-dai.c | 23 ++---------------------
 1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 76579383d290..5c9ee6c49473 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -182,24 +182,6 @@ static struct sof_ipc_dai_config *hda_dai_update_config(struct snd_soc_dapm_widg
 	return config;
 }
 
-static int hda_link_config_ipc(struct sof_intel_hda_stream *hda_stream,
-			       struct snd_soc_dapm_widget *w, int channel)
-{
-	struct snd_sof_dev *sdev = hda_stream->sdev;
-	struct sof_ipc_dai_config *config;
-	struct sof_ipc_reply reply;
-
-	config = hda_dai_update_config(w, channel);
-	if (!config) {
-		dev_err(sdev->dev, "error: no config for DAI %s\n", w->name);
-		return -ENOENT;
-	}
-
-	/* send DAI_CONFIG IPC */
-	return sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size,
-				  &reply, sizeof(reply));
-}
-
 static int hda_link_dai_widget_update(struct sof_intel_hda_stream *hda_stream,
 				      struct snd_soc_dapm_widget *w,
 				      int channel, bool widget_setup)
@@ -353,10 +335,9 @@ static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
 			w = dai->capture_widget;
 
 		/*
-		 * clear link DMA channel. It will be assigned when
-		 * hw_params is set up again after resume.
+		 * free DAI widget during stop/suspend to keep widget use_count's balanced.
 		 */
-		ret = hda_link_config_ipc(hda_stream, w, DMA_CHAN_INVALID);
+		ret = hda_link_dai_widget_update(hda_stream, w, DMA_CHAN_INVALID, false);
 		if (ret < 0)
 			return ret;
 
-- 
2.35.3