The update of stream costs significantly, and we should avoid it unless the stream really has started. Check pipe->running flag instead of pipe->prepared.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/drivers/vx/vx_pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c index 41a617886cc7..ea7b377f0378 100644 --- a/sound/drivers/vx/vx_pcm.c +++ b/sound/drivers/vx/vx_pcm.c @@ -1015,7 +1015,7 @@ static void vx_pcm_capture_update(struct vx_core *chip, struct snd_pcm_substream int size, space, count; struct snd_pcm_runtime *runtime = subs->runtime;
- if (! pipe->prepared || (chip->chip_status & VX_STAT_IS_STALE)) + if (!pipe->running || (chip->chip_status & VX_STAT_IS_STALE)) return;
size = runtime->buffer_size - snd_pcm_capture_avail(runtime);