From mboxrd@z Thu Jan 1 00:00:00 1970 From: petr.cvek@tul.cz (Petr Cvek) Date: Thu, 29 Jan 2015 11:58:37 +0100 Subject: [PATCH v4] Sound: PXA: Fix settings of PXAxxx DMA Message-ID: <54CA125D.7010908@tul.cz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Fix PXA DMA autoincrementation, so capture will not use playback settings (incrementation in register space instead in target buffer). Signed-off-by: Petr Cvek --- sound/arm/pxa2xx-pcm-lib.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c index 01f8fdc..f8ca3ca 100644 --- a/sound/arm/pxa2xx-pcm-lib.c +++ b/sound/arm/pxa2xx-pcm-lib.c @@ -45,7 +45,12 @@ 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; /* temporary transition hack */ switch (rtd->params->addr_width) { -- 1.7.12.1