diff options
Diffstat (limited to 'sound/soc/codecs/sgtl5000.c')
| -rw-r--r-- | sound/soc/codecs/sgtl5000.c | 70 |
1 files changed, 32 insertions, 38 deletions
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index ff29380..76258f2 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -907,6 +907,7 @@ static int ldo_regulator_register(struct snd_soc_codec *codec, struct regulator_init_data *init_data, int voltage) { + dev_err(codec->dev, "this setup needs regulator support in the kernel\n"); return -EINVAL; } @@ -1218,6 +1219,34 @@ static int sgtl5000_set_power_regs(struct snd_soc_codec *codec) return 0; } +static int sgtl5000_replace_vddd_with_ldo(struct snd_soc_codec *codec) +{ + struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec); + int ret; + + /* set internal ldo to 1.2v */ + ret = ldo_regulator_register(codec, &ldo_init_data, LDO_VOLTAGE); + if (ret) { + dev_err(codec->dev, + "Failed to register vddd internal supplies: %d\n", ret); + return ret; + } + + sgtl5000->supplies[VDDD].supply = LDO_CONSUMER_NAME; + + ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(sgtl5000->supplies), + sgtl5000->supplies); + + if (ret) { + ldo_regulator_remove(codec); + dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + dev_info(codec->dev, "Using internal LDO instead of VDDD\n"); + return 0; +} + static int sgtl5000_enable_regulators(struct snd_soc_codec *codec) { u16 reg; @@ -1235,30 +1264,9 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec) if (!ret) external_vddd = 1; else { - /* set internal ldo to 1.2v */ - int voltage = LDO_VOLTAGE; - - ret = ldo_regulator_register(codec, &ldo_init_data, voltage); - if (ret) { - dev_err(codec->dev, - "Failed to register vddd internal supplies: %d\n", - ret); - return ret; - } - - sgtl5000->supplies[VDDD].supply = LDO_CONSUMER_NAME; - - ret = regulator_bulk_get(codec->dev, - ARRAY_SIZE(sgtl5000->supplies), - sgtl5000->supplies); - - if (ret) { - ldo_regulator_remove(codec); - dev_err(codec->dev, - "Failed to request supplies: %d\n", ret); - + ret = sgtl5000_replace_vddd_with_ldo(codec); + if (ret) return ret; - } } ret = regulator_bulk_enable(ARRAY_SIZE(sgtl5000->supplies), @@ -1287,7 +1295,6 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec) * roll back to use internal LDO */ if (external_vddd && rev >= 0x11) { - int voltage = LDO_VOLTAGE; /* disable all regulator first */ regulator_bulk_disable(ARRAY_SIZE(sgtl5000->supplies), sgtl5000->supplies); @@ -1295,23 +1302,10 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec) regulator_bulk_free(ARRAY_SIZE(sgtl5000->supplies), sgtl5000->supplies); - ret = ldo_regulator_register(codec, &ldo_init_data, voltage); + ret = sgtl5000_replace_vddd_with_ldo(codec); if (ret) return ret; - sgtl5000->supplies[VDDD].supply = LDO_CONSUMER_NAME; - - ret = regulator_bulk_get(codec->dev, - ARRAY_SIZE(sgtl5000->supplies), - sgtl5000->supplies); - if (ret) { - ldo_regulator_remove(codec); - dev_err(codec->dev, - "Failed to request supplies: %d\n", ret); - - return ret; - } - ret = regulator_bulk_enable(ARRAY_SIZE(sgtl5000->supplies), sgtl5000->supplies); if (ret) |
