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host: Make 'no bytes to copy' message more descriptive 

It's important to know if theres no bytes because buffers are full/empty
or there is a problem with DMA.

Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
This commit is contained in:
Karol Trzcinski 2020-09-11 14:57:50 +02:00 committed by Liam Girdwood
parent f09ebd7b1f
commit fa974eb154
1 changed files with 12 additions and 3 deletions
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15
src/audio/host.c
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@ -365,6 +365,17 @@ static uint32_t host_get_copy_bytes_normal(struct comp_dev *dev)
*/
copy_bytes = ALIGN_DOWN(copy_bytes, hd->dma_copy_align);
if (!copy_bytes) {
if (dev->direction == SOF_IPC_STREAM_PLAYBACK)
comp_info(dev, "no bytes to copy, %d free in buffer, %d available in DMA",
audio_stream_get_free_bytes(&hd->local_buffer->stream),
avail_bytes);
else
comp_info(dev, "no bytes to copy, %d avail in buffer, %d free in DMA",
audio_stream_get_avail_bytes(&hd->local_buffer->stream),
free_bytes);
}
return copy_bytes;
}
@ -387,10 +398,8 @@ static int host_copy_normal(struct comp_dev *dev)
flags |= DMA_COPY_BLOCKING;
copy_bytes = host_get_copy_bytes_normal(dev);
if (!copy_bytes) {
comp_info(dev, "host_copy_normal(): no bytes to copy");
if (!copy_bytes)
return ret;
}
ret = dma_copy(hd->chan, copy_bytes, flags);
if (ret < 0) {