ASoC: da7219: Remove internal LDO features of codec
In AB silicon, the internal LDO is not supported so remove
DT and driver references to this (digital voltage direct from
'VDD' supply)
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index 0a177ae..2630c50 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -1406,24 +1406,6 @@
};
MODULE_DEVICE_TABLE(of, da7219_of_match);
-static enum da7219_ldo_lvl_sel da7219_of_ldo_lvl(struct snd_soc_codec *codec,
- u32 val)
-{
- switch (val) {
- case 1050:
- return DA7219_LDO_LVL_SEL_1_05V;
- case 1100:
- return DA7219_LDO_LVL_SEL_1_10V;
- case 1200:
- return DA7219_LDO_LVL_SEL_1_20V;
- case 1400:
- return DA7219_LDO_LVL_SEL_1_40V;
- default:
- dev_warn(codec->dev, "Invalid LDO level");
- return DA7219_LDO_LVL_SEL_1_05V;
- }
-}
-
static enum da7219_micbias_voltage
da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
{
@@ -1470,9 +1452,6 @@
if (!pdata)
return NULL;
- if (of_property_read_u32(np, "dlg,ldo-lvl", &of_val32) >= 0)
- pdata->ldo_lvl_sel = da7219_of_ldo_lvl(codec, of_val32);
-
if (of_property_read_u32(np, "dlg,micbias-lvl", &of_val32) >= 0)
pdata->micbias_lvl = da7219_of_micbias_lvl(codec, of_val32);
else
@@ -1517,24 +1496,13 @@
snd_soc_update_bits(codec, DA7219_REFERENCES,
DA7219_BIAS_EN_MASK,
DA7219_BIAS_EN_MASK);
-
- /* Enable Internal Digital LDO */
- snd_soc_update_bits(codec, DA7219_LDO_CTRL,
- DA7219_LDO_EN_MASK,
- DA7219_LDO_EN_MASK);
}
break;
case SND_SOC_BIAS_OFF:
- /* Only disable if jack detection not active */
- if (!da7219->aad->jack) {
- /* Bypass Internal Digital LDO */
- snd_soc_update_bits(codec, DA7219_LDO_CTRL,
- DA7219_LDO_EN_MASK, 0);
-
- /* Master bias */
+ /* Only disable master bias if jack detection not active */
+ if (!da7219->aad->jack)
snd_soc_update_bits(codec, DA7219_REFERENCES,
DA7219_BIAS_EN_MASK, 0);
- }
/* MCLK */
if (da7219->mclk)
@@ -1601,19 +1569,6 @@
if (pdata) {
u8 micbias_lvl = 0;
- /* Internal LDO */
- switch (pdata->ldo_lvl_sel) {
- case DA7219_LDO_LVL_SEL_1_05V:
- case DA7219_LDO_LVL_SEL_1_10V:
- case DA7219_LDO_LVL_SEL_1_20V:
- case DA7219_LDO_LVL_SEL_1_40V:
- snd_soc_update_bits(codec, DA7219_LDO_CTRL,
- DA7219_LDO_LEVEL_SELECT_MASK,
- (pdata->ldo_lvl_sel <<
- DA7219_LDO_LEVEL_SELECT_SHIFT));
- break;
- }
-
/* Mic Bias voltages */
switch (pdata->micbias_lvl) {
case DA7219_MICBIAS_1_8V:
@@ -1823,7 +1778,6 @@
{ DA7219_CHIP_ID1, 0x23 },
{ DA7219_CHIP_ID2, 0x93 },
{ DA7219_CHIP_REVISION, 0x00 },
- { DA7219_LDO_CTRL, 0x00 },
{ DA7219_IO_CTRL, 0x00 },
{ DA7219_GAIN_RAMP_CTRL, 0x00 },
{ DA7219_PC_COUNT, 0x02 },
diff --git a/sound/soc/codecs/da7219.h b/sound/soc/codecs/da7219.h
index b514268..2b3f447 100644
--- a/sound/soc/codecs/da7219.h
+++ b/sound/soc/codecs/da7219.h
@@ -85,7 +85,6 @@
#define DA7219_CHIP_ID1 0x81
#define DA7219_CHIP_ID2 0x82
#define DA7219_CHIP_REVISION 0x83
-#define DA7219_LDO_CTRL 0x90
#define DA7219_IO_CTRL 0x91
#define DA7219_GAIN_RAMP_CTRL 0x92
#define DA7219_PC_COUNT 0x94
@@ -569,12 +568,6 @@
#define DA7219_CHIP_MAJOR_SHIFT 4
#define DA7219_CHIP_MAJOR_MASK (0xF << 4)
-/* DA7219_LDO_CTRL = 0x90 */
-#define DA7219_LDO_LEVEL_SELECT_SHIFT 4
-#define DA7219_LDO_LEVEL_SELECT_MASK (0x3 << 4)
-#define DA7219_LDO_EN_SHIFT 7
-#define DA7219_LDO_EN_MASK (0x1 << 7)
-
/* DA7219_IO_CTRL = 0x91 */
#define DA7219_IO_VOLTAGE_LEVEL_SHIFT 0
#define DA7219_IO_VOLTAGE_LEVEL_MASK (0x1 << 0)