ALSA: vx: Don't try to update capture stream before running

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 <[email protected]>
agners · Jan 4, 2017 · ed3c177 · ed3c177
1 parent 874e1f6
commit ed3c177
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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);