From: "Eric Bénard" <eric@eukrea.com>
To: alsa-devel@alsa-project.org
Cc: axel.lin@gmail.com, broonie@opensource.wolfsonmicro.com,
lrg@slimlogic.co.uk
Subject: [PATCH] ASoC: tlv312aic23: unbreak resume
Date: Sun, 29 Apr 2012 17:37:57 +0200 [thread overview]
Message-ID: <1335713877-7921-1-git-send-email-eric@eukrea.com> (raw)
* commit f9dfbf9 "ASoC: tlv320aic23: convert to soc-cache" leads to
a bug preventing resumeof the codec as regmap expects a 9 bits data
register but 0xFFFF is passed in tlv320aic23_set_bias_level and this
values gets cached preventing any write to the TLV320AIC23_PWR
register as the final value produced by regmap is (register << 9) | value
* this patch solves the problem by only working on the 9 bits the
register contains.
Signed-off-by: Eric Bénard <eric@eukrea.com>
---
sound/soc/codecs/tlv320aic23.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c
index dfa41a9..e7de911 100644
--- a/sound/soc/codecs/tlv320aic23.c
+++ b/sound/soc/codecs/tlv320aic23.c
@@ -472,7 +472,7 @@ static int tlv320aic23_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int tlv320aic23_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 reg = snd_soc_read(codec, TLV320AIC23_PWR) & 0xff7f;
+ u16 reg = snd_soc_read(codec, TLV320AIC23_PWR) & 0x17f;
switch (level) {
case SND_SOC_BIAS_ON:
@@ -491,7 +491,7 @@ static int tlv320aic23_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_OFF:
/* everything off, dac mute, inactive */
snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0);
- snd_soc_write(codec, TLV320AIC23_PWR, 0xffff);
+ snd_soc_write(codec, TLV320AIC23_PWR, 0x1ff);
break;
}
codec->dapm.bias_level = level;
--
1.7.7.6
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next reply other threads:[~2012-04-29 15:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-29 15:37 Eric Bénard [this message]
2012-04-30 9:11 ` [PATCH] ASoC: tlv312aic23: unbreak resume Mark Brown
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