ASoC: rockchip: pcm: add vad preprocess

Change-Id: I6b5e2f36e30c033e68019bde8c94a3c2c569a60d
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>

Author: Sugar Zhang

sound/core/pcm_dmaengine.c

@@ -135,6 +135,14 @@ static void dmaengine_pcm_dma_complete(void *arg)
 	struct snd_pcm_substream *substream = arg;
 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
 
+#ifdef CONFIG_SND_SOC_ROCKCHIP_VAD
+	if (snd_pcm_vad_attached(substream)) {
+		void *buf = substream->runtime->dma_area + prtd->pos;
+
+		snd_pcm_vad_preprocess(substream, buf,
+				       substream->runtime->period_size);
+	}
+#endif
 	prtd->pos += snd_pcm_lib_period_bytes(substream);
 	if (prtd->pos >= snd_pcm_lib_buffer_bytes(substream))
 		prtd->pos = 0;

sound/soc/rockchip/rockchip_multi_dais_pcm.c

@@ -29,6 +29,7 @@ struct dmaengine_mpcm_runtime_data {
 	dma_cookie_t cookies[MAX_DAIS];
 	unsigned int *channel_maps;
 	int num_chans;
+	unsigned int pos;
 };
 
 static inline struct dmaengine_mpcm_runtime_data *substream_to_prtd(
@@ -90,7 +91,21 @@ static void snd_dmaengine_mpcm_set_config_from_dai_data(
 static void dmaengine_mpcm_dma_complete(void *arg)
 {
 	struct snd_pcm_substream *substream = arg;
+#ifdef CONFIG_SND_SOC_ROCKCHIP_VAD
+	struct dmaengine_mpcm_runtime_data *prtd = substream_to_prtd(substream);
+
+	if (snd_pcm_vad_attached(substream)) {
+		void *buf = substream->runtime->dma_area + prtd->pos;
+
+		snd_pcm_vad_preprocess(substream, buf,
+				       substream->runtime->period_size);
+	}
+
+	prtd->pos += snd_pcm_lib_period_bytes(substream);
+	if (prtd->pos >= snd_pcm_lib_buffer_bytes(substream))
+		prtd->pos = 0;
 
+#endif
 	snd_pcm_period_elapsed(substream);
 }
 
@@ -111,6 +126,7 @@ static int dmaengine_mpcm_prepare_and_submit(struct snd_pcm_substream *substream
 	if (!substream->runtime->no_period_wakeup)
 		flags |= DMA_PREP_INTERRUPT;
 
+	prtd->pos = 0;
 	offset = 0;
 	period_bytes = snd_pcm_lib_period_bytes(substream);
 	buffer_bytes = snd_pcm_lib_buffer_bytes(substream);