diff options
Diffstat (limited to 'sound/soc/codecs/ad193x.c')
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 96d7cb2e4a56..80dab5df9633 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * AD193X Audio Codec driver supporting AD1936/7/8/9 * * Copyright 2010 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. */ #include <linux/module.h> @@ -241,10 +240,8 @@ static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai, } /* For DSP_*, LRCLK's polarity must be inverted */ - if (fmt & SND_SOC_DAIFMT_DSP_A) { - change_bit(ffs(AD193X_DAC_LEFT_HIGH) - 1, - (unsigned long *)&dac_fmt); - } + if (fmt & SND_SOC_DAIFMT_DSP_A) + dac_fmt ^= AD193X_DAC_LEFT_HIGH; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ @@ -416,6 +413,48 @@ static struct snd_soc_dai_driver ad193x_no_adc_dai = { .ops = &ad193x_dai_ops, }; +struct ad193x_reg_default { + unsigned int reg; + unsigned int val; +}; + +/* codec register values to set after reset */ +static void ad193x_reg_default_init(struct ad193x_priv *ad193x) +{ + const struct ad193x_reg_default reg_init[] = { + { 0, 0x99 }, /* PLL_CLK_CTRL0: pll input: mclki/xi 12.288Mhz */ + { 1, 0x04 }, /* PLL_CLK_CTRL1: no on-chip Vref */ + { 2, 0x40 }, /* DAC_CTRL0: TDM mode */ + { 3, 0x00 }, /* DAC_CTRL1: reset */ + { 4, 0x1A }, /* DAC_CTRL2: 48kHz de-emphasis, unmute dac */ + { 5, 0x00 }, /* DAC_CHNL_MUTE: unmute DAC channels */ + { 6, 0x00 }, /* DAC_L1_VOL: no attenuation */ + { 7, 0x00 }, /* DAC_R1_VOL: no attenuation */ + { 8, 0x00 }, /* DAC_L2_VOL: no attenuation */ + { 9, 0x00 }, /* DAC_R2_VOL: no attenuation */ + { 10, 0x00 }, /* DAC_L3_VOL: no attenuation */ + { 11, 0x00 }, /* DAC_R3_VOL: no attenuation */ + { 12, 0x00 }, /* DAC_L4_VOL: no attenuation */ + { 13, 0x00 }, /* DAC_R4_VOL: no attenuation */ + }; + const struct ad193x_reg_default reg_adc_init[] = { + { 14, 0x03 }, /* ADC_CTRL0: high-pass filter enable */ + { 15, 0x43 }, /* ADC_CTRL1: sata delay=1, adc aux mode */ + { 16, 0x00 }, /* ADC_CTRL2: reset */ + }; + int i; + + for (i = 0; i < ARRAY_SIZE(reg_init); i++) + regmap_write(ad193x->regmap, reg_init[i].reg, reg_init[i].val); + + if (ad193x_has_adc(ad193x)) { + for (i = 0; i < ARRAY_SIZE(reg_adc_init); i++) { + regmap_write(ad193x->regmap, reg_adc_init[i].reg, + reg_adc_init[i].val); + } + } +} + static int ad193x_component_probe(struct snd_soc_component *component) { struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component); @@ -423,25 +462,7 @@ static int ad193x_component_probe(struct snd_soc_component *component) int num, ret; /* default setting for ad193x */ - - /* unmute dac channels */ - regmap_write(ad193x->regmap, AD193X_DAC_CHNL_MUTE, 0x0); - /* de-emphasis: 48kHz, powedown dac */ - regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A); - /* dac in tdm mode */ - regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40); - - /* adc only */ - if (ad193x_has_adc(ad193x)) { - /* high-pass filter enable */ - regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3); - /* sata delay=1, adc aux mode */ - regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43); - } - - /* pll input: mclki/xi */ - regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ - regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04); + ad193x_reg_default_init(ad193x); /* adc only */ if (ad193x_has_adc(ad193x)) { |