ASoC: rt5670: make bias level more reasonable
authorBard Liao <bardliao@realtek.com>
Wed, 12 Nov 2014 11:54:30 +0000 (19:54 +0800)
committerMark Brown <broonie@kernel.org>
Fri, 14 Nov 2014 11:11:34 +0000 (11:11 +0000)
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>
sound/soc/codecs/rt5670.c

index b0aabd497ae955e195285915089b1673e4936e5d..5e54ac957e47462a4f6103d215ed15f3b2c931eb 100644 (file)
@@ -2310,6 +2310,8 @@ static int rt5670_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
 static int rt5670_set_bias_level(struct snd_soc_codec *codec,
                        enum snd_soc_bias_level level)
 {
+       struct rt5670_priv *rt5670 = snd_soc_codec_get_drvdata(codec);
+
        switch (level) {
        case SND_SOC_BIAS_PREPARE:
                if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
@@ -2331,16 +2333,27 @@ static int rt5670_set_bias_level(struct snd_soc_codec *codec,
                }
                break;
        case SND_SOC_BIAS_STANDBY:
-               snd_soc_write(codec, RT5670_PWR_DIG1, 0x0000);
-               snd_soc_write(codec, RT5670_PWR_DIG2, 0x0001);
-               snd_soc_write(codec, RT5670_PWR_VOL, 0x0000);
-               snd_soc_write(codec, RT5670_PWR_MIXER, 0x0001);
-               snd_soc_write(codec, RT5670_PWR_ANLG1, 0x2800);
-               snd_soc_write(codec, RT5670_PWR_ANLG2, 0x0004);
-               snd_soc_update_bits(codec, RT5670_DIG_MISC, 0x1, 0x0);
+               snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
+                               RT5670_PWR_VREF1 | RT5670_PWR_VREF2 |
+                               RT5670_PWR_FV1 | RT5670_PWR_FV2, 0);
                snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
                                RT5670_LDO_SEL_MASK, 0x1);
                break;
+       case SND_SOC_BIAS_OFF:
+               if (rt5670->pdata.jd_mode)
+                       snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
+                               RT5670_PWR_VREF1 | RT5670_PWR_MB |
+                               RT5670_PWR_BG | RT5670_PWR_VREF2 |
+                               RT5670_PWR_FV1 | RT5670_PWR_FV2,
+                               RT5670_PWR_MB | RT5670_PWR_BG);
+               else
+                       snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
+                               RT5670_PWR_VREF1 | RT5670_PWR_MB |
+                               RT5670_PWR_BG | RT5670_PWR_VREF2 |
+                               RT5670_PWR_FV1 | RT5670_PWR_FV2, 0);
+
+               snd_soc_update_bits(codec, RT5670_DIG_MISC, 0x1, 0x0);
+               break;
 
        default:
                break;