diff options
| author |   Codrin Ciubotariu <codrin.ciubotariu@microchip.com> | 2019-06-27 15:02:07 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-06-28 13:40:15 +0100 |
| commit | bc0a5f43d7d6ba5258a65cf00fa692845f128d3c (patch) | |
| tree | d5dd68c61c72d19c0077d3c433f8b3ee492bf5e1 | |
| parent | Merge tag 'v5.2-rc6' into asoc-5.3 (diff) | |
| download | linux-dev-bc0a5f43d7d6ba5258a65cf00fa692845f128d3c.tar.xz linux-dev-bc0a5f43d7d6ba5258a65cf00fa692845f128d3c.zip | |
ASoC: codecs: ad193x: Group register initialization at probe
Create a structure with the register initialization values at probe and
use it to initialize all the registers at once.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 05f4514048e2..f3bab8fe3579 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -415,6 +415,38 @@ 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 */ + { 4, 0x1A }, /* DAC_CTRL2: 48kHz de-emphasis, unmute dac */ + { 5, 0x00 }, /* DAC_CHNL_MUTE: unmute DAC channels */ + }; + 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 */ + }; + 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); @@ -422,25 +454,7 @@ 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)) { |