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| author | Jack Yu <jack.yu@realtek.com> | 2023-11-13 10:37:15 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-11-14 17:39:27 +0000 |
| commit | 577d71544871b075a25a09e4c5aa31008850c0a8 (patch) | |
| tree | c661c3de6678b292f7fcff565a1ae52292798c60 /sound/soc/codecs | |
| parent | d3534684ada99ef8c0899eb28c62b4462483ee19 (diff) | |
| download | linux-stable-577d71544871b075a25a09e4c5aa31008850c0a8.tar.gz linux-stable-577d71544871b075a25a09e4c5aa31008850c0a8.tar.bz2 linux-stable-577d71544871b075a25a09e4c5aa31008850c0a8.zip | |
ASoC: rt5682s: Add LDO output selection for dacref
Add LDO output selection for dacref.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/62cad4e51c044108bad872ab349e36f8@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/rt5682s.c | 23 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5682s.h | 7 |
2 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c index c261c33c4be7..3322056bbb3b 100644 --- a/sound/soc/codecs/rt5682s.c +++ b/sound/soc/codecs/rt5682s.c @@ -2971,6 +2971,8 @@ static int rt5682s_parse_dt(struct rt5682s_priv *rt5682s, struct device *dev) &rt5682s->pdata.dmic_delay); device_property_read_u32(dev, "realtek,amic-delay-ms", &rt5682s->pdata.amic_delay); + device_property_read_u32(dev, "realtek,ldo-sel", + &rt5682s->pdata.ldo_dacref); if (device_property_read_string_array(dev, "clock-output-names", rt5682s->pdata.dai_clk_names, @@ -3250,6 +3252,27 @@ static int rt5682s_i2c_probe(struct i2c_client *i2c) break; } + /* LDO output voltage control */ + switch (rt5682s->pdata.ldo_dacref) { + case RT5682S_LDO_1_607V: + break; + case RT5682S_LDO_1_5V: + regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7, + RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_5V); + break; + case RT5682S_LDO_1_406V: + regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7, + RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_406V); + break; + case RT5682S_LDO_1_731V: + regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7, + RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_731V); + break; + default: + dev_warn(&i2c->dev, "invalid LDO output setting.\n"); + break; + } + INIT_DELAYED_WORK(&rt5682s->jack_detect_work, rt5682s_jack_detect_handler); INIT_DELAYED_WORK(&rt5682s->jd_check_work, rt5682s_jd_check_handler); diff --git a/sound/soc/codecs/rt5682s.h b/sound/soc/codecs/rt5682s.h index 1d79d432d0d8..67f42898de96 100644 --- a/sound/soc/codecs/rt5682s.h +++ b/sound/soc/codecs/rt5682s.h @@ -1263,6 +1263,13 @@ #define RT5682S_JDH_NO_PLUG (0x1 << 4) #define RT5682S_JDH_PLUG (0x0 << 4) +/* Bias current control 7 (0x0110) */ +#define RT5682S_LDO_DACREF_MASK (0x3 << 4) +#define RT5682S_LDO_DACREF_1_607V (0x0 << 4) +#define RT5682S_LDO_DACREF_1_5V (0x1 << 4) +#define RT5682S_LDO_DACREF_1_406V (0x2 << 4) +#define RT5682S_LDO_DACREF_1_731V (0x3 << 4) + /* Charge Pump Internal Register1 (0x0125) */ #define RT5682S_CP_CLK_HP_MASK (0x3 << 4) #define RT5682S_CP_CLK_HP_100KHZ (0x0 << 4) |