From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Date: Tue, 30 Nov 2010 12:31:46 +0000 (+0200)
Subject: ASoC: tlv320dac33: Avoid multiple soft power up
X-Git-Tag: firefly_0821_release~3680^2~2691^2~1226^2~144^2^2~29
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3e202345abc2cea09a3601df527629102f37e563;p=firefly-linux-kernel-4.4.55.git

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>
---

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;