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kpb: update kpb HB free size during RT copies 

This patch decreases history buffer free size during
real time copies therefore we avoid history data overwrite
when draining is delayed.

Signed-off-by: Marcin Rajwa <marcin.rajwa@linux.intel.com>
This commit is contained in:
Marcin Rajwa 2020-07-09 03:07:07 +02:00 committed by Janusz Jankowski
parent 4a32011bfd
commit 824b68b785
1 changed files with 1 additions and 0 deletions
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src/audio/kpb.c
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@ -746,6 +746,7 @@ static int kpb_copy(struct comp_dev *dev)
buffer_invalidate(source, copy_bytes);
ret = kpb_buffer_data(dev, source, copy_bytes);
dd->buffered_while_draining += copy_bytes;
kpb->hd.free -= copy_bytes;
if (ret) {
comp_err(dev, "kpb_copy(): internal buffering failed.");