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Message-Id: <20230612110958.592674-4-brent.lu@intel.com>
Date:   Mon, 12 Jun 2023 19:09:49 +0800
From:   Brent Lu <brent.lu@...el.com>
To:     alsa-devel@...a-project.org
Cc:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>,
        Brent Lu <brent.lu@...el.com>, linux-kernel@...r.kernel.org,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Subject: [PATCH 03/12] ASoC: Intel: avs-hdaudio: remove redundant dapm routes

Three routes "HDMI 0 Playback<-hdaudioB0D2-cpu0 Tx",
"HDMI 1 Playback<-hdaudioB0D2-cpu1 Tx" and
"HDMI 2 Playback<-hdaudioB0D2-cpu2 Tx" are created by
snd_soc_dapm_connect_dai_link_widgets() automatically. Remove the
duplicate routes.

Signed-off-by: Brent Lu <brent.lu@...el.com>
---
 sound/soc/intel/avs/boards/hdaudio.c | 65 +---------------------------
 1 file changed, 1 insertion(+), 64 deletions(-)

diff --git a/sound/soc/intel/avs/boards/hdaudio.c b/sound/soc/intel/avs/boards/hdaudio.c
index a542a67e21d0..cb00bc86ac94 100644
--- a/sound/soc/intel/avs/boards/hdaudio.c
+++ b/sound/soc/intel/avs/boards/hdaudio.c
@@ -64,56 +64,6 @@ static int avs_create_dai_links(struct device *dev, struct hda_codec *codec, int
 	return 0;
 }
 
-static int avs_create_dapm_routes(struct device *dev, struct hda_codec *codec, int pcm_count,
-				  struct snd_soc_dapm_route **routes, int *num_routes)
-{
-	struct snd_soc_dapm_route *dr;
-	struct hda_pcm *pcm;
-	const char *cname = dev_name(&codec->core.dev);
-	int i, n = 0;
-
-	/* at max twice the number of pcms */
-	dr = devm_kcalloc(dev, pcm_count * 2, sizeof(*dr), GFP_KERNEL);
-	if (!dr)
-		return -ENOMEM;
-
-	pcm = list_first_entry(&codec->pcm_list_head, struct hda_pcm, list);
-
-	for (i = 0; i < pcm_count; i++, pcm = list_next_entry(pcm, list)) {
-		struct hda_pcm_stream *stream;
-		int dir;
-
-		dir = SNDRV_PCM_STREAM_PLAYBACK;
-		stream = &pcm->stream[dir];
-		if (!stream->substreams)
-			goto capture_routes;
-
-		dr[n].sink = devm_kasprintf(dev, GFP_KERNEL, "%s %s", pcm->name,
-					    snd_pcm_direction_name(dir));
-		dr[n].source = devm_kasprintf(dev, GFP_KERNEL, "%s-cpu%d Tx", cname, i);
-		if (!dr[n].sink || !dr[n].source)
-			return -ENOMEM;
-		n++;
-
-capture_routes:
-		dir = SNDRV_PCM_STREAM_CAPTURE;
-		stream = &pcm->stream[dir];
-		if (!stream->substreams)
-			continue;
-
-		dr[n].sink = devm_kasprintf(dev, GFP_KERNEL, "%s-cpu%d Rx", cname, i);
-		dr[n].source = devm_kasprintf(dev, GFP_KERNEL, "%s %s", pcm->name,
-					      snd_pcm_direction_name(dir));
-		if (!dr[n].sink || !dr[n].source)
-			return -ENOMEM;
-		n++;
-	}
-
-	*routes = dr;
-	*num_routes = n;
-	return 0;
-}
-
 /* Should be aligned with SectionPCM's name from topology */
 #define FEDAI_NAME_PREFIX "HDMI"
 
@@ -172,13 +122,12 @@ static int avs_card_late_probe(struct snd_soc_card *card)
 
 static int avs_probing_link_init(struct snd_soc_pcm_runtime *rtm)
 {
-	struct snd_soc_dapm_route *routes;
 	struct snd_soc_acpi_mach *mach;
 	struct snd_soc_dai_link *links = NULL;
 	struct snd_soc_card *card = rtm->card;
 	struct hda_codec *codec;
 	struct hda_pcm *pcm;
-	int ret, n, pcm_count = 0;
+	int ret, pcm_count = 0;
 
 	mach = dev_get_platdata(card->dev);
 	codec = mach->pdata;
@@ -200,18 +149,6 @@ static int avs_probing_link_init(struct snd_soc_pcm_runtime *rtm)
 		return ret;
 	}
 
-	ret = avs_create_dapm_routes(card->dev, codec, pcm_count, &routes, &n);
-	if (ret < 0) {
-		dev_err(card->dev, "create routes failed: %d\n", ret);
-		return ret;
-	}
-
-	ret = snd_soc_dapm_add_routes(&card->dapm, routes, n);
-	if (ret < 0) {
-		dev_err(card->dev, "add routes failed: %d\n", ret);
-		return ret;
-	}
-
 	return 0;
 }
 
-- 
2.34.1

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