1 files changed, 13 insertions, 37 deletions

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 07000f5..dd5bdd0 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -25,8 +25,7 @@
 #include "lpass.h"
 
 struct lpass_pcm_data {
-	int rdma_ch;
-	int wrdma_ch;
+	int dma_ch;
 	int i2s_port;
 };
 
@@ -75,8 +74,12 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
 	data->i2s_port = cpu_dai->driver->id;
 	runtime->private_data = data;
 
+	dma_ch = 0;
 	if (v->alloc_dma_channel)
 		dma_ch = v->alloc_dma_channel(drvdata, dir);
+	else
+		dma_ch = 0;
+
 	if (dma_ch < 0)
 		return dma_ch;
 
@@ -91,10 +94,7 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
 			return ret;
 	}
 
-	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
-		data->rdma_ch = dma_ch;
-	else
-		data->wrdma_ch = dma_ch;
+	data->dma_ch = dma_ch;
 
 	snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware);
 
@@ -121,20 +121,12 @@ static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream)
 		snd_soc_platform_get_drvdata(soc_runtime->platform);
 	struct lpass_variant *v = drvdata->variant;
 	struct lpass_pcm_data *data;
-	int dma_ch, dir = substream->stream;
 
 	data = runtime->private_data;
 	v = drvdata->variant;
-
-	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
-		dma_ch = data->rdma_ch;
-	else
-		dma_ch = data->wrdma_ch;
-
-	drvdata->substream[dma_ch] = NULL;
-
+	drvdata->substream[data->dma_ch] = NULL;
 	if (v->free_dma_channel)
-		v->free_dma_channel(drvdata, dma_ch);
+		v->free_dma_channel(drvdata, data->dma_ch);
 
 	return 0;
 }
@@ -155,10 +147,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
 	int bitwidth;
 	int ret, dma_port = pcm_data->i2s_port + v->dmactl_audif_start;
 
-	if (dir ==  SNDRV_PCM_STREAM_PLAYBACK)
-		ch = pcm_data->rdma_ch;
-	else
-		ch = pcm_data->wrdma_ch;
+	ch = pcm_data->dma_ch;
 
 	bitwidth = snd_pcm_format_width(format);
 	if (bitwidth < 0) {
@@ -245,11 +234,7 @@ static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
 	unsigned int reg;
 	int ret;
 
-	if (substream->stream ==  SNDRV_PCM_STREAM_PLAYBACK)
-		reg = LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch);
-	else
-		reg = LPAIF_WRDMACTL_REG(v, pcm_data->wrdma_ch);
-
+	reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream);
 	ret = regmap_write(drvdata->lpaif_map, reg, 0);
 	if (ret)
 		dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
@@ -269,10 +254,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
 	struct lpass_variant *v = drvdata->variant;
 	int ret, ch, dir = substream->stream;
 
-	if (dir ==  SNDRV_PCM_STREAM_PLAYBACK)
-		ch = pcm_data->rdma_ch;
-	else
-		ch = pcm_data->wrdma_ch;
+	ch = pcm_data->dma_ch;
 
 	ret = regmap_write(drvdata->lpaif_map,
 			LPAIF_DMABASE_REG(v, ch, dir),
@@ -324,10 +306,7 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
 	struct lpass_variant *v = drvdata->variant;
 	int ret, ch, dir = substream->stream;
 
-	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
-		ch = pcm_data->rdma_ch;
-	else
-		ch = pcm_data->wrdma_ch;
+	ch = pcm_data->dma_ch;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -402,10 +381,7 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
 	unsigned int base_addr, curr_addr;
 	int ret, ch, dir = substream->stream;
 
-	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
-		ch = pcm_data->rdma_ch;
-	else
-		ch = pcm_data->wrdma_ch;
+	ch = pcm_data->dma_ch;
 
 	ret = regmap_read(drvdata->lpaif_map,
 			LPAIF_DMABASE_REG(v, ch, dir), &base_addr);