From 3e202345abc2cea09a3601df527629102f37e563 Mon Sep 17 00:00:00 2001
From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Date: Tue, 30 Nov 2010 14:31:46 +0200
Subject: [PATCH] ASoC: tlv320dac33: Avoid multiple soft power up

During playback start the codec has been already powered at
BIAS_ON event time, so there's no need to enable the codec again.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
 sound/soc/codecs/tlv320dac33.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 080ec9183f67..a0ba5d1be1b3 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -642,7 +642,8 @@ static int dac33_set_bias_level(struct snd_soc_codec *codec,
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
-		dac33_soft_power(codec, 1);
+		if (!dac33->substream)
+			dac33_soft_power(codec, 1);
 		break;
 	case SND_SOC_BIAS_PREPARE:
 		break;
-- 
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