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ASoC: max98390: Add support for tx slot configuration.

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Update voltage/current tx slot configuration support.

Signed-off-by: Steve Lee <steves.lee@maximintegrated.com>
Link: https://lore.kernel.org/r/20210405143801.29770-1-steves.lee@maximintegrated.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Steve Lee 2021-04-05 23:38:01 +09:00 committed by Mark Brown
parent a43508995a
commit e5870bd0e4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 64 additions and 0 deletions
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62
sound/soc/codecs/max98390.c
View File

@ -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)) {

2
sound/soc/codecs/max98390.h
View File

@ -658,6 +658,8 @@ struct max98390_priv {
unsigned int sysclk;
unsigned int master;
unsigned int tdm_mode;
unsigned int v_l_slot;
unsigned int i_l_slot;
unsigned int ref_rdc_value;
unsigned int ambient_temp_value;
};