[PATCH v2] Fix PXA2xx sound DMA autoincrementation flags
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Mon Nov 24 03:50:20 PST 2014
Hello.
On 11/24/2014 1:31 AM, Petr Cvek wrote:
> Add support for SCCB devices into PXA27x I2C controller.
> Fix generated START but no STOP for message without I2C_M_NOSTART flag. Add support for I2C_M_IGNORE_NAK flag.
>
> Signed-off-by: Petr Cvek <petr.cvek at tul.cz>
> ---
> sound/arm/pxa2xx-pcm-lib.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
> diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
> index a61d7a9..5d3a415 100644
> --- a/sound/arm/pxa2xx-pcm-lib.c
> +++ b/sound/arm/pxa2xx-pcm-lib.c
> @@ -45,7 +45,13 @@ int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
> size_t period = params_period_bytes(params);
> pxa_dma_desc *dma_desc;
> dma_addr_t dma_buff_phys, next_desc_phys;
> - u32 dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG;
> + u32 dcmd = 0;
> +
> + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
> + dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG;
> + } else {
> + dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC;
> + }
{} not needed at all here. Sorry for not complaining at once...
WBR, Sergei
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