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ASoC: nau8825: Add ADCOUT IO drive strength control

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Add a property to control the driving of ADCOUT.

Signed-off-by: David Lin <CTLIN0@nuvoton.com>
Link: https://lore.kernel.org/r/20220913120641.792502-1-CTLIN0@nuvoton.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
David Lin 2022-09-13 20:06:41 +08:00 committed by Mark Brown
parent 515626a33a
commit ed8570726a
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GPG Key ID: 24D68B725D5487D0
2 changed files with 9 additions and 0 deletions
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6
sound/soc/codecs/nau8825.c
View File

@ -1976,6 +1976,10 @@ static void nau8825_init_regs(struct nau8825 *nau8825)
/* Disable short Frame Sync detection logic */
regmap_update_bits(regmap, NAU8825_REG_LEFT_TIME_SLOT,
NAU8825_DIS_FS_SHORT_DET, NAU8825_DIS_FS_SHORT_DET);
/* ADCDAT IO drive strength control */
regmap_update_bits(regmap, NAU8825_REG_CHARGE_PUMP,
NAU8825_ADCOUT_DS_MASK,
nau8825->adcout_ds << NAU8825_ADCOUT_DS_SFT);
}
static const struct regmap_config nau8825_regmap_config = {
@ -2514,6 +2518,7 @@ static void nau8825_print_device_properties(struct nau8825 *nau8825)
nau8825->jack_eject_debounce);
dev_dbg(dev, "crosstalk-enable: %d\n",
nau8825->xtalk_enable);
dev_dbg(dev, "adcout-drive-strong: %d\n", nau8825->adcout_ds);
}
static int nau8825_read_device_properties(struct device *dev,
@ -2580,6 +2585,7 @@ static int nau8825_read_device_properties(struct device *dev,
nau8825->jack_eject_debounce = 0;
nau8825->xtalk_enable = device_property_read_bool(dev,
"nuvoton,crosstalk-enable");
nau8825->adcout_ds = device_property_read_bool(dev, "nuvoton,adcout-drive-strong");
nau8825->mclk = devm_clk_get(dev, "mclk");
if (PTR_ERR(nau8825->mclk) == -EPROBE_DEFER) {

3
sound/soc/codecs/nau8825.h
View File

@ -418,6 +418,8 @@
#define NAU8825_POWERUP_HP_DRV_L (1 << 0)
/* CHARGE_PUMP (0x80) */
#define NAU8825_ADCOUT_DS_SFT 12
#define NAU8825_ADCOUT_DS_MASK (1 << NAU8825_ADCOUT_DS_SFT)
#define NAU8825_JAMNODCLOW (1 << 10)
#define NAU8825_POWER_DOWN_DACR (1 << 9)
#define NAU8825_POWER_DOWN_DACL (1 << 8)
@ -477,6 +479,7 @@ struct nau8825 {
int imp_rms[NAU8825_XTALK_IMM];
int xtalk_enable;
bool xtalk_baktab_initialized; /* True if initialized. */
bool adcout_ds;
};
int nau8825_enable_jack_detect(struct snd_soc_component *component,