ASoC: qcom: sdm845: only setup slim ports once

Currently same slim channel map setup for every dai link, which is redundant.
Fix this by adding a flag and conditionally setting these channel maps.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116115021.14213-1-srinivas.kandagatla@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/qcom/sdm845.c

@@ -33,6 +33,7 @@
 struct sdm845_snd_data {
 	struct snd_soc_jack jack;
 	bool jack_setup;
+	bool slim_port_setup;
 	bool stream_prepared[AFE_PORT_MAX];
 	struct snd_soc_card *card;
 	uint32_t pri_mi2s_clk_count;
@@ -224,6 +225,7 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 	struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
+	struct snd_soc_dai_link *link = rtd->dai_link;
 	struct snd_jack *jack;
 	/*
 	 * Codec SLIMBUS configuration
@@ -276,6 +278,10 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
 		}
 		break;
 	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+		/* setting up wcd multiple times for slim port is redundant */
+		if (pdata->slim_port_setup || !link->no_pcm)
+			return 0;
+
 		for_each_rtd_codec_dais(rtd, i, codec_dai) {
 			rval = snd_soc_dai_set_channel_map(codec_dai,
 							  ARRAY_SIZE(tx_ch),
@@ -295,8 +301,10 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
 				dev_warn(card->dev, "Failed to set jack: %d\n", rval);
 				return rval;
 			}
-
 		}
+
+		pdata->slim_port_setup = true;
+
 		break;
 	default:
 		break;