From ed8570726ab005da0aa62cc24046ef83fa342e89 Mon Sep 17 00:00:00 2001 From: David Lin Date: Tue, 13 Sep 2022 20:06:41 +0800 Subject: [PATCH] ASoC: nau8825: Add ADCOUT IO drive strength control Add a property to control the driving of ADCOUT. Signed-off-by: David Lin Link: https://lore.kernel.org/r/20220913120641.792502-1-CTLIN0@nuvoton.com Signed-off-by: Mark Brown --- sound/soc/codecs/nau8825.c | 6 ++++++ sound/soc/codecs/nau8825.h | 3 +++ 2 files changed, 9 insertions(+) diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 54ef7b0fa878..80a0864a2f8b 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -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) { diff --git a/sound/soc/codecs/nau8825.h b/sound/soc/codecs/nau8825.h index 887bbff03ec6..6d112b6145df 100644 --- a/sound/soc/codecs/nau8825.h +++ b/sound/soc/codecs/nau8825.h @@ -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,