[alsa-devel] [PATCH] ASoC: tlv320dac33: Restore L/R DAC power control register

Peter Ujfalusi peter.ujfalusi at nokia.com
Thu Mar 24 07:58:05 CET 2011


Register 0x40, 0x41 need to be restored after power up, since
it contains gain related fields, which affects playback volume.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>
---
 sound/soc/codecs/tlv320dac33.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 93f38b1..6c3735d 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -324,6 +324,10 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
 	dac33_write(codec, DAC33_OUT_AMP_CTRL,
 		    dac33_read_reg_cache(codec, DAC33_OUT_AMP_CTRL));
 
+	dac33_write(codec, DAC33_LDAC_PWR_CTRL,
+		    dac33_read_reg_cache(codec, DAC33_LDAC_PWR_CTRL));
+	dac33_write(codec, DAC33_RDAC_PWR_CTRL,
+		    dac33_read_reg_cache(codec, DAC33_RDAC_PWR_CTRL));
 }
 
 static inline int dac33_read_id(struct snd_soc_codec *codec)
-- 
1.7.4.1



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