[alsa-devel] [PATCH 07/12] ASoC: SSM2602: Do not power the codec up in probe

[Lars-Peter Clausen]

It is not required to have the codec powered at this stage and DAPM will power
the ADC and DAC down again after probe has run anyway.
Thus we avoid some unnecessary writes by this change.

Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
---
 sound/soc/codecs/ssm2602.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index 40d3474..9ce792b 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -61,7 +61,7 @@ struct ssm2602_priv {
  */
 static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
 	0x0017, 0x0017, 0x0079, 0x0079,
-	0x0000, 0x0000, 0x0000, 0x000a,
+	0x0000, 0x0000, 0x009f, 0x000a,
 	0x0000, 0x0000
 };
 
@@ -509,8 +509,6 @@ static int ssm2602_probe(struct snd_soc_codec *codec)
 		return ret;
 	}
 
-	/*power on device*/
-	snd_soc_write(codec, SSM2602_ACTIVE, 0);
 	/* set the update bits */
 	reg = snd_soc_read(codec, SSM2602_LINVOL);
 	snd_soc_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
@@ -523,7 +521,6 @@ static int ssm2602_probe(struct snd_soc_codec *codec)
 	/*select Line in as default input*/
 	snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
 			APANA_ENABLE_MIC_BOOST);
-	snd_soc_write(codec, SSM2602_PWR, 0);
 
 	snd_soc_add_controls(codec, ssm2602_snd_controls,
 				ARRAY_SIZE(ssm2602_snd_controls));
-- 
1.7.2.5