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 080ec9183f672d2896e8936e323d0bd7f594e6df..a0ba5d1be1b31c7bd15dc81a6f95026f397d5140 100644 (file)
--- 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;