Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

ALSA: snd-aloop - fix capture buffer silence

Browse source 
In a special case, some old samples are left in the capture ring buffer.
Fix it.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2010-09-30 00:16:50 +02:00
parent 1446c5fba7
commit 20d9a26dbb
1 changed files with 4 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sound/drivers/aloop.c
View file

@ -347,7 +347,7 @@ static void copy_play_buf(struct loopback_pcm *play,
unsigned int bytes) unsigned int bytes)
{ {
struct snd_pcm_runtime *runtime = play->substream->runtime; struct snd_pcm_runtime *runtime = play->substream->runtime;
char *src = play->substream->runtime->dma_area; char *src = runtime->dma_area;
char *dst = capt->substream->runtime->dma_area; char *dst = capt->substream->runtime->dma_area;
unsigned int src_off = play->buf_pos; unsigned int src_off = play->buf_pos;
unsigned int dst_off = capt->buf_pos; unsigned int dst_off = capt->buf_pos;
@ -385,8 +385,10 @@ static void copy_play_buf(struct loopback_pcm *play,
dst_off = (dst_off + size) % capt->pcm_buffer_size; dst_off = (dst_off + size) % capt->pcm_buffer_size;
} }
if (clear_bytes > 0) if (clear_bytes > 0) {
clear_capture_buf(capt, clear_bytes); clear_capture_buf(capt, clear_bytes);
capt->silent_size = 0;
}
} }
#define BYTEPOS_UPDATE_POSONLY 0 #define BYTEPOS_UPDATE_POSONLY 0