[PATCH 2/2] [ASoC] 88pm860x-codec - reset the codec correctly

Bas Vermeulen bas.vermeulen at novero.com
Mon Sep 19 13:09:10 CEST 2011


Reset the codec according to the Audio power-up delay errata for the 88PM8607.

Signed-off-by: Bas Vermeulen <bas.vermeulen at novero.com>
---
 sound/soc/codecs/88pm860x-codec.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c
index 0198dbb..df7b4a0 100644
--- a/sound/soc/codecs/88pm860x-codec.c
+++ b/sound/soc/codecs/88pm860x-codec.c
@@ -1179,6 +1179,9 @@ static int pm860x_set_bias_level(struct snd_soc_codec *codec,
 	case SND_SOC_BIAS_STANDBY:
 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
 			/* Enable Audio PLL & Audio section */
+			data = AUDIO_PLL | AUDIO_SECTION_ON;
+			pm860x_reg_write(codec->control_data, REG_MISC2, data);
+			udelay(300);
 			data = AUDIO_PLL | AUDIO_SECTION_RESET
 				| AUDIO_SECTION_ON;
 			pm860x_reg_write(codec->control_data, REG_MISC2, data);
-- 
1.7.0.4


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