ASoC: pcm3168a: remove read-only status register from snd_kcontrol_new
"DACn Zero Flag" and "ADCn Overflow Flag" are read-only status register. These information are needed for driver not for user. Let's remove these from snd_kcontrol_new. There is no detail explanation for these register on datasheet, but, judging from its behavior, it seems these register needs clock to read. Otherwise, I2C returns error. Therefor, amixer command will be failed under non working timing. Without this patch, user often fail amixer command. This patch is tested on R-Car H3 ulcb-kf board, SSI3/4 TDM sound. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -133,10 +133,6 @@ static const struct snd_kcontrol_new pcm3168a_snd_controls[] = {
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SOC_DOUBLE("DAC2 Invert Switch", PCM3168A_DAC_INV, 2, 3, 1, 0),
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SOC_DOUBLE("DAC3 Invert Switch", PCM3168A_DAC_INV, 4, 5, 1, 0),
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SOC_DOUBLE("DAC4 Invert Switch", PCM3168A_DAC_INV, 6, 7, 1, 0),
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SOC_DOUBLE_STS("DAC1 Zero Flag", PCM3168A_DAC_ZERO, 0, 1, 1, 0),
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SOC_DOUBLE_STS("DAC2 Zero Flag", PCM3168A_DAC_ZERO, 2, 3, 1, 0),
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SOC_DOUBLE_STS("DAC3 Zero Flag", PCM3168A_DAC_ZERO, 4, 5, 1, 0),
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SOC_DOUBLE_STS("DAC4 Zero Flag", PCM3168A_DAC_ZERO, 6, 7, 1, 0),
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SOC_ENUM("DAC Volume Control Type", pcm3168a_dac_volume_type),
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SOC_ENUM("DAC Volume Rate Multiplier", pcm3168a_dac_att_mult),
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SOC_ENUM("DAC De-Emphasis", pcm3168a_dac_demp),
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@ -176,9 +172,6 @@ static const struct snd_kcontrol_new pcm3168a_snd_controls[] = {
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SOC_DOUBLE("ADC1 Mute Switch", PCM3168A_ADC_MUTE, 0, 1, 1, 0),
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SOC_DOUBLE("ADC2 Mute Switch", PCM3168A_ADC_MUTE, 2, 3, 1, 0),
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SOC_DOUBLE("ADC3 Mute Switch", PCM3168A_ADC_MUTE, 4, 5, 1, 0),
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SOC_DOUBLE_STS("ADC1 Overflow Flag", PCM3168A_ADC_OV, 0, 1, 1, 0),
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SOC_DOUBLE_STS("ADC2 Overflow Flag", PCM3168A_ADC_OV, 2, 3, 1, 0),
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SOC_DOUBLE_STS("ADC3 Overflow Flag", PCM3168A_ADC_OV, 4, 5, 1, 0),
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SOC_ENUM("ADC Volume Control Type", pcm3168a_adc_volume_type),
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SOC_ENUM("ADC Volume Rate Multiplier", pcm3168a_adc_att_mult),
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SOC_ENUM("ADC Overflow Flag Polarity", pcm3168a_adc_ov_pol),
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