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Commit 20d9a26d authored by Jaroslav Kysela's avatar Jaroslav Kysela
Browse files

ALSA: snd-aloop - fix capture buffer silence 



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

Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 1446c5fb

sound/drivers/aloop.c

+4 −2
Original line number Diff line number Diff line
@@ -347,7 +347,7 @@ static void copy_play_buf(struct loopback_pcm *play, 
			  unsigned int bytes)

{

	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;

	unsigned int src_off = play->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;

	}



	if (clear_bytes > 0)

	if (clear_bytes > 0) {

		clear_capture_buf(capt, clear_bytes);

		capt->silent_size = 0;

	}

}



#define BYTEPOS_UPDATE_POSONLY	0