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>

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 */