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Merge pull request #505 from RanderWang/link-dma-id 

hda: set correct link dma channel
This commit is contained in:
Liam Girdwood 2018-10-25 16:43:06 +01:00 committed by GitHub
parent 8db46b4104 9d62c12823
commit 3f3d7c0473
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 6 additions and 6 deletions
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4
src/audio/dai.c
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@ -360,8 +360,8 @@ static int dai_params(struct comp_dev *dev)
return -EINVAL;
}
/* get DMA channel, once the stream_tag is known */
dd->chan = dma_channel_get(dd->dma, dev->params.stream_tag);
/* get DMA channel, once the backend dma channel is known */
dd->chan = dma_channel_get(dd->dma, dev->params.be_dma_ch);
if (dd->chan < 0) {
trace_dai_error("eDc");
return -EINVAL;

5
src/audio/host.c
View File

@ -515,11 +515,10 @@ static int host_params(struct comp_dev *dev)
host_elements_reset(dev);
#endif
dev->params.stream_tag -= 1;
/* get DMA channel from DMAC
* note: stream_tag is ignored by dw-dma
* note: host_dma_ch is ignored by dw-dma
*/
hd->chan = dma_channel_get(hd->dma, dev->params.stream_tag);
hd->chan = dma_channel_get(hd->dma, dev->params.host_dma_ch);
if (hd->chan < 0) {
trace_host_error("eDC");
return -ENODEV;

3
src/include/uapi/ipc.h
View File

@ -500,7 +500,8 @@ struct sof_ipc_stream_params {
enum sof_ipc_stream_direction direction;
enum sof_ipc_frame frame_fmt;
enum sof_ipc_buffer_format buffer_fmt;
uint32_t stream_tag;
uint32_t host_dma_ch;
uint32_t be_dma_ch;
uint32_t rate;
uint32_t channels;
uint32_t sample_valid_bytes;