Chaithrika U S wrote:
> ---
> sound/soc/davinci/davinci-mcasp.c | 113 ++++++++++++++++++++++++++++++++++--
> sound/soc/davinci/davinci-mcasp.h | 5 ++
> sound/soc/davinci/davinci-pcm.c | 4 +-
> sound/soc/davinci/davinci-pcm.h | 1 +
> 4 files changed, 115 insertions(+), 8 deletions(-)
.....
> diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
> index 8fd0c3c..1e2dfd0 100644
> --- a/sound/soc/davinci/davinci-pcm.c
> +++ b/sound/soc/davinci/davinci-pcm.c
> @@ -67,6 +67,7 @@ static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream)
> dma_addr_t src, dst;
> unsigned short src_bidx, dst_bidx;
> unsigned int data_type;
> + unsigned short acnt;
> unsigned int count;
>
> period_size = snd_pcm_lib_period_bytes(substream);
> @@ -91,11 +92,12 @@ static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream)
> dst_bidx = data_type;
> }
>
> + acnt = prtd->params->acnt;
> edma_set_src(lch, src, INCR, W8BIT);
> edma_set_dest(lch, dst, INCR, W8BIT);
> edma_set_src_index(lch, src_bidx, 0);
> edma_set_dest_index(lch, dst_bidx, 0);
> - edma_set_transfer_params(lch, data_type, count, 1, 0, ASYNC);
> + edma_set_transfer_params(lch, acnt, count, 1, 0, ASYNC);
Since I see no change to davinci-i2s, I think this will break any platform which
uses davinci-i2s.
>
> prtd->period++;
> if (unlikely(prtd->period >= runtime->periods))
> diff --git a/sound/soc/davinci/davinci-pcm.h b/sound/soc/davinci/davinci-pcm.h
> index eb4287f..63d9625 100644
> --- a/sound/soc/davinci/davinci-pcm.h
> +++ b/sound/soc/davinci/davinci-pcm.h
> @@ -19,6 +19,7 @@
> struct davinci_pcm_dma_params {
> char *name; /* stream identifier */
> int channel; /* sync dma channel ID */
> + unsigned short acnt;
> dma_addr_t dma_addr; /* device physical address for DMA */
> enum dma_event_q eventq_no; /* event queue number */
> unsigned char data_type; /* xfer data type */
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