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- "Levin, Alexander (Sasha Levin)"
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Patch in this message | | | From | "Levin, Alexander (Sasha Levin)" <> | Subject | [PATCH AUTOSEL for-4.4 22/39] ALSA: vx: Don't try to update capture stream before running | Date | Wed, 8 Nov 2017 20:50:39 +0000 |
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From: Takashi Iwai <tiwai@suse.de>
[ Upstream commit ed3c177d960bb5881b945ca6f784868126bb90db ]
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> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> --- 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 11467272089e..69f252585780 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); -- 2.11.0
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