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Diffstat (limited to 'sound/soc/codecs/max98390.c')
-rw-r--r--sound/soc/codecs/max98390.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98390.c b/sound/soc/codecs/max98390.c
index bb736c44e68a..94773ccee9d5 100644
--- a/sound/soc/codecs/max98390.c
+++ b/sound/soc/codecs/max98390.c
@@ -856,6 +856,48 @@ static void max98390_init_regs(struct snd_soc_component *component)
regmap_write(max98390->regmap, MAX98390_ENV_TRACK_VOUT_HEADROOM, 0x0e);
regmap_write(max98390->regmap, MAX98390_BOOST_BYPASS1, 0x46);
regmap_write(max98390->regmap, MAX98390_FET_SCALING3, 0x03);
+
+ /* voltage, current slot configuration */
+ regmap_write(max98390->regmap,
+ MAX98390_PCM_CH_SRC_2,
+ (max98390->i_l_slot << 4 |
+ max98390->v_l_slot)&0xFF);
+
+ if (max98390->v_l_slot < 8) {
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_HIZ_CTRL_A,
+ 1 << max98390->v_l_slot, 0);
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_EN_A,
+ 1 << max98390->v_l_slot,
+ 1 << max98390->v_l_slot);
+ } else {
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_HIZ_CTRL_B,
+ 1 << (max98390->v_l_slot - 8), 0);
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_EN_B,
+ 1 << (max98390->v_l_slot - 8),
+ 1 << (max98390->v_l_slot - 8));
+ }
+
+ if (max98390->i_l_slot < 8) {
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_HIZ_CTRL_A,
+ 1 << max98390->i_l_slot, 0);
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_EN_A,
+ 1 << max98390->i_l_slot,
+ 1 << max98390->i_l_slot);
+ } else {
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_HIZ_CTRL_B,
+ 1 << (max98390->i_l_slot - 8), 0);
+ regmap_update_bits(max98390->regmap,
+ MAX98390_PCM_TX_EN_B,
+ 1 << (max98390->i_l_slot - 8),
+ 1 << (max98390->i_l_slot - 8));
+ }
}
static int max98390_probe(struct snd_soc_component *component)
@@ -946,6 +988,23 @@ static const struct regmap_config max98390_regmap = {
.cache_type = REGCACHE_RBTREE,
};
+static void max98390_slot_config(struct i2c_client *i2c,
+ struct max98390_priv *max98390)
+{
+ int value;
+ struct device *dev = &i2c->dev;
+
+ if (!device_property_read_u32(dev, "maxim,vmon-slot-no", &value))
+ max98390->v_l_slot = value & 0xF;
+ else
+ max98390->v_l_slot = 0;
+
+ if (!device_property_read_u32(dev, "maxim,imon-slot-no", &value))
+ max98390->i_l_slot = value & 0xF;
+ else
+ max98390->i_l_slot = 1;
+}
+
static int max98390_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -988,6 +1047,9 @@ static int max98390_i2c_probe(struct i2c_client *i2c,
__func__, max98390->ref_rdc_value,
max98390->ambient_temp_value);
+ /* voltage/current slot configuration */
+ max98390_slot_config(i2c, max98390);
+
/* regmap initialization */
max98390->regmap = devm_regmap_init_i2c(i2c, &max98390_regmap);
if (IS_ERR(max98390->regmap)) {