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authorJarkko Nikula <jhnikula@gmail.com>2010-04-26 15:49:13 +0300
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-04-27 11:08:06 +0100
commitdb13802e51f29c40b404038485121a3973c0947d (patch)
treed33d1bae5ad225a4951b2d6ea351e812ecb1afb8 /sound/soc/codecs
parentd3235c4ac17b7f2a9c64cc3ebc71e23d1d1fa466 (diff)
downloadlinux-db13802e51f29c40b404038485121a3973c0947d.tar.bz2
ASoC: tlv320aic3x: Change bias management semantics
Move PLL enable from BIAS_ON state to BIAS_PREPARE to be pair with BIAS_STANDBY where PLL is disabled. Remove also old comments about power control. Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/codecs')
-rw-r--r--sound/soc/codecs/tlv320aic3x.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 19602eca4924..6b74ad808a09 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -997,7 +997,8 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
- /* all power is driven by DAPM system */
+ break;
+ case SND_SOC_BIAS_PREPARE:
if (aic3x->master) {
/* enable pll */
reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
@@ -1005,13 +1006,8 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
reg | PLL_ENABLE);
}
break;
- case SND_SOC_BIAS_PREPARE:
- break;
case SND_SOC_BIAS_STANDBY:
- /*
- * all power is driven by DAPM system,
- * so output power is safe if bypass was set
- */
+ /* fall through and disable pll */
case SND_SOC_BIAS_OFF:
if (aic3x->master) {
/* disable pll */