sc7280 machine driver can make use of common sdw functions to do most of
the soundwire related operations. Remove such redundant code from sc7280
driver.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
---
 sound/soc/qcom/sc7280.c | 67 ++---------------------------------------
 sound/soc/qcom/sdw.c    | 10 ++++++
 2 files changed, 13 insertions(+), 64 deletions(-)

diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c
index c444dae563c7..abdd58c1d0a4 100644
--- a/sound/soc/qcom/sc7280.c
+++ b/sound/soc/qcom/sc7280.c
@@ -31,7 +31,6 @@
 
 struct sc7280_snd_data {
 	struct snd_soc_card card;
-	struct sdw_stream_runtime *sruntime[LPASS_MAX_PORTS];
 	u32 pri_mi2s_clk_count;
 	struct snd_soc_jack hs_jack;
 	struct snd_soc_jack hdmi_jack;
@@ -207,32 +206,12 @@ static int sc7280_snd_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
-	struct snd_soc_dai *codec_dai;
-	const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
-	struct sc7280_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
-	struct sdw_stream_runtime *sruntime;
-	int i;
 
 	if (!rtd->dai_link->no_pcm) {
 		snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2);
 		snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, 48000, 48000);
 	}
 
-	switch (cpu_dai->id) {
-	case LPASS_CDC_DMA_TX3:
-	case LPASS_CDC_DMA_RX0:
-	case RX_CODEC_DMA_RX_0:
-	case SECONDARY_MI2S_RX:
-	case TX_CODEC_DMA_TX_3:
-	case VA_CODEC_DMA_TX_0:
-		for_each_rtd_codec_dais(rtd, i, codec_dai) {
-			sruntime = snd_soc_dai_get_stream(codec_dai, substream->stream);
-			if (sruntime != ERR_PTR(-ENOTSUPP))
-				pdata->sruntime[cpu_dai->id] = sruntime;
-		}
-		break;
-	}
-
 	return 0;
 }
 
@@ -241,30 +220,8 @@ static int sc7280_snd_swr_prepare(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 	struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
-	struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
-	int ret;
 
-	if (!sruntime)
-		return 0;
-
-	if (data->stream_prepared[cpu_dai->id]) {
-		sdw_disable_stream(sruntime);
-		sdw_deprepare_stream(sruntime);
-		data->stream_prepared[cpu_dai->id] = false;
-	}
-
-	ret = sdw_prepare_stream(sruntime);
-	if (ret)
-		return ret;
-
-	ret = sdw_enable_stream(sruntime);
-	if (ret) {
-		sdw_deprepare_stream(sruntime);
-		return ret;
-	}
-	data->stream_prepared[cpu_dai->id] = true;
-
-	return ret;
+	return qcom_snd_sdw_prepare(substream, &data->stream_prepared[cpu_dai->id]);
 }
 
 static int sc7280_snd_prepare(struct snd_pcm_substream *substream)
@@ -291,24 +248,8 @@ static int sc7280_snd_hw_free(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
 	struct sc7280_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
 	const struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
-	struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
 
-	switch (cpu_dai->id) {
-	case LPASS_CDC_DMA_RX0:
-	case LPASS_CDC_DMA_TX3:
-	case RX_CODEC_DMA_RX_0:
-	case TX_CODEC_DMA_TX_3:
-	case VA_CODEC_DMA_TX_0:
-		if (sruntime && data->stream_prepared[cpu_dai->id]) {
-			sdw_disable_stream(sruntime);
-			sdw_deprepare_stream(sruntime);
-			data->stream_prepared[cpu_dai->id] = false;
-		}
-		break;
-	default:
-		break;
-	}
-	return 0;
+	return qcom_snd_sdw_hw_free(substream, &data->stream_prepared[cpu_dai->id]);
 }
 
 static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)
@@ -317,7 +258,6 @@ static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)
 	struct snd_soc_card *card = rtd->card;
 	struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card);
 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
-	struct sdw_stream_runtime *sruntime = qcom_snd_sdw_get_stream(substream);
 
 	switch (cpu_dai->id) {
 	case MI2S_PRIMARY:
@@ -336,8 +276,7 @@ static void sc7280_snd_shutdown(struct snd_pcm_substream *substream)
 		break;
 	}
 
-	data->sruntime[cpu_dai->id] = NULL;
-	sdw_release_stream(sruntime);
+	qcom_snd_sdw_shutdown(substream);
 }
 
 static int sc7280_snd_startup(struct snd_pcm_substream *substream)
diff --git a/sound/soc/qcom/sdw.c b/sound/soc/qcom/sdw.c
index c44659deea01..16bf09db29f5 100644
--- a/sound/soc/qcom/sdw.c
+++ b/sound/soc/qcom/sdw.c
@@ -2,6 +2,7 @@
 // Copyright (c) 2018-2023, Linaro Limited.
 // Copyright (c) 2018, The Linux Foundation. All rights reserved.
 
+#include <dt-bindings/sound/qcom,lpass.h>
 #include <dt-bindings/sound/qcom,q6afe.h>
 #include <linux/module.h>
 #include <sound/soc.h>
@@ -30,6 +31,15 @@ static bool qcom_snd_is_sdw_dai(int id)
 	case RX_CODEC_DMA_RX_6:
 	case RX_CODEC_DMA_RX_7:
 	case SLIMBUS_0_RX...SLIMBUS_6_TX:
+	default:
+		break;
+	}
+
+	/* DSP Bypass usecase, cpu dai index overlaps with DSP dai ids,
+	 * DO NOT MERGE into top switch case */
+	switch (id) {
+	case LPASS_CDC_DMA_TX3:
+	case LPASS_CDC_DMA_RX0:
 		return true;
 	default:
 		break;
-- 
2.51.0