diff options
| author | Shengjiu Wang <b02247@freescale.com> | 2014-04-14 14:58:05 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-01-15 21:17:58 -0600 |
| commit | 43541a8742429f78368e8a430a43c8555dafe3b5 (patch) | |
| tree | c947d99bb8bf7a0cf2d26be855c1128f6f66b093 /include | |
| parent | 1f865021bba83c3bbf78d9a00fb69aea3ef51d27 (diff) | |
ENGR00307835-2 ASoC: dmaengine: Add two function for dmaengine_pcm
Add check_xrun and device_reset for dmaengine_pcm
Signed-off-by: Shengjiu Wang <b02247@freescale.com>
(cherry picked from commit 405588f31e432e5c6634a0817e4d804ead87882b)
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/dmaengine_pcm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index eb73a3a39ec2..8c031add8eb9 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -63,6 +63,8 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream) * requesting the DMA channel. * @chan_name: Custom channel name to use when requesting DMA channel. * @fifo_size: FIFO size of the DAI controller in bytes + * @check_xrun: check if hardware xrun happen in the cpu dai. + * @device_reset: if xrun happened, then do cpu dai reset. */ struct snd_dmaengine_dai_dma_data { dma_addr_t addr; @@ -72,6 +74,16 @@ struct snd_dmaengine_dai_dma_data { void *filter_data; const char *chan_name; unsigned int fifo_size; + bool (*check_xrun)(struct snd_pcm_substream *substream); + void (*device_reset)(struct snd_pcm_substream *substream, bool stop); +}; + +struct dmaengine_pcm_runtime_data { + struct dma_chan *dma_chan; + dma_cookie_t cookie; + + unsigned int pos; + dma_async_tx_callback callback; }; void snd_dmaengine_pcm_set_config_from_dai_data( |