ASoC: rt5645: make bias level more reasonale

This patah separate bias level off to standby and off. The standby
level will provide the necessary power for JD and push button
functions.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 17 insertions, 8 deletions

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 57ba74292259..1423cb283f15 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -2069,8 +2069,8 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec,
                         enum snd_soc_bias_level level)
 {
         switch (level) {
-        case SND_SOC_BIAS_STANDBY:
-                if (SND_SOC_BIAS_OFF == codec->dapm.bias_level) {
+        case SND_SOC_BIAS_PREPARE:
+                if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
                         snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
                                 RT5645_PWR_VREF1 | RT5645_PWR_MB |
                                 RT5645_PWR_BG | RT5645_PWR_VREF2,
@@ -2085,15 +2085,24 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec,
                 }
                 break;
 
+        case SND_SOC_BIAS_STANDBY:
+                snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
+                        RT5645_PWR_VREF1 | RT5645_PWR_MB |
+                        RT5645_PWR_BG | RT5645_PWR_VREF2,
+                        RT5645_PWR_VREF1 | RT5645_PWR_MB |
+                        RT5645_PWR_BG | RT5645_PWR_VREF2);
+                snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
+                        RT5645_PWR_FV1 | RT5645_PWR_FV2,
+                        RT5645_PWR_FV1 | RT5645_PWR_FV2);
+                break;
+
         case SND_SOC_BIAS_OFF:
                 snd_soc_write(codec, RT5645_DEPOP_M2, 0x1100);
                 snd_soc_write(codec, RT5645_GEN_CTRL1, 0x0128);
-                snd_soc_write(codec, RT5645_PWR_DIG1, 0x0000);
-                snd_soc_write(codec, RT5645_PWR_DIG2, 0x0000);
-                snd_soc_write(codec, RT5645_PWR_VOL, 0x0000);
-                snd_soc_write(codec, RT5645_PWR_MIXER, 0x0000);
-                snd_soc_write(codec, RT5645_PWR_ANLG1, 0x0000);
-                snd_soc_write(codec, RT5645_PWR_ANLG2, 0x0000);
+                snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
+                                RT5645_PWR_VREF1 | RT5645_PWR_MB |
+                                RT5645_PWR_BG | RT5645_PWR_VREF2 |
+                                RT5645_PWR_FV1 | RT5645_PWR_FV2, 0x0);
                 break;
 
         default: