[alsa-devel] [PATCH 5/6] ASoC: ak4642: Implement Microphone in pathes

[Sascha Hauer]

On Wed, May 14, 2014 at 09:37:37AM +0200, Sascha Hauer wrote:
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  sound/soc/codecs/ak4642.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 114 insertions(+)

I'll rework this patch. I just realized that it is only valid for the
ak4648. The ak4642 does not have that many microphone in sources.

Sasca

> 
> diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
> index 3ba4c0f..6292a6a 100644
> --- a/sound/soc/codecs/ak4642.c
> +++ b/sound/soc/codecs/ak4642.c
> @@ -153,6 +153,81 @@ struct ak4642_priv {
>   */
>  static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1);
>  
> +static const char * const ak4642_micl_strings[] = { "LIN1", "LIN2", "LIN3", "LIN4" };
> +static const char * const ak4642_micr_strings[] = { "RIN1", "RIN2", "RIN3", "RIN4" };
> +
> +static const struct soc_enum ak4642_micl_enum =
> +	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ak4642_micl_strings),
> +			    ak4642_micl_strings);
> +
> +static const struct soc_enum ak4642_micr_enum =
> +	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ak4642_micr_strings),
> +			    ak4642_micr_strings);
> +
> +static int ak4642_micl_enum_get(struct snd_kcontrol *kcontrol,
> +				   struct snd_ctl_elem_value *ucontrol)
> +{
> +	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
> +	u32 val, inl;
> +
> +	val = snd_soc_read(codec, PW_MGMT3);
> +
> +	inl = (val >> 1) & 0x1;
> +	inl |= (val >> 5) & 0x2;
> +
> +	ucontrol->value.integer.value[0] = inl;
> +
> +	return 0;
> +}
> +
> +static int ak4642_micl_enum_put(struct snd_kcontrol *kcontrol,
> +				   struct snd_ctl_elem_value *ucontrol)
> +{
> +	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
> +	int val, inl;
> +
> +	val = ucontrol->value.integer.value[0];
> +
> +	inl = (val & 0x1) << 1;
> +	inl |= (val & 0x2) << 5;
> +
> +	snd_soc_update_bits(codec, PW_MGMT3, (1 << 1) | (1 << 6), inl);
> +
> +	return 1;
> +}
> +
> +static int ak4642_micr_enum_get(struct snd_kcontrol *kcontrol,
> +				   struct snd_ctl_elem_value *ucontrol)
> +{
> +	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
> +	u32 val, inr;
> +
> +	val = snd_soc_read(codec, PW_MGMT3);
> +
> +	inr = (val >> 2) & 0x1;
> +	inr |= (val >> 6) & 0x2;
> +
> +	ucontrol->value.integer.value[0] = inr;
> +
> +	return 0;
> +}
> +
> +static int ak4642_micr_enum_put(struct snd_kcontrol *kcontrol,
> +				   struct snd_ctl_elem_value *ucontrol)
> +{
> +	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
> +	int val, inr;
> +
> +	val = ucontrol->value.integer.value[0];
> +
> +	inr = (val & 0x1) << 2;
> +	inr |= (val & 0x2) << 6;
> +
> +	snd_soc_update_bits(codec, PW_MGMT3, (1 << 2) | (1 << 7), inr);
> +
> +	return 1;
> +}
> +
>  static const struct snd_kcontrol_new ak4642_snd_controls[] = {
>  
>  	SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC,
> @@ -168,6 +243,16 @@ static const struct snd_kcontrol_new ak4642_lout_mixer_controls[] = {
>  	SOC_DAPM_SINGLE("DACL", SG_SL1, 4, 1, 0),
>  };
>  
> +static const struct snd_kcontrol_new ak4642_micl_controls[] = {
> +	SOC_ENUM_EXT("Mic Left Capture Route", ak4642_micl_enum,
> +		     ak4642_micl_enum_get,  ak4642_micl_enum_put),
> +};
> +
> +static const struct snd_kcontrol_new ak4642_micr_controls[] = {
> +	SOC_ENUM_EXT("Mic Right Capture Route", ak4642_micr_enum,
> +		     ak4642_micr_enum_get,  ak4642_micr_enum_put),
> +};
> +
>  static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = {
>  
>  	/* Outputs */
> @@ -188,6 +273,22 @@ static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = {
>  
>  	/* DAC */
>  	SND_SOC_DAPM_DAC("DAC", "HiFi Playback", PW_MGMT1, 2, 0),
> +
> +	SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
> +
> +	SND_SOC_DAPM_MUX("Mic Left Capture Route",
> +			SND_SOC_NOPM, 0, 0, ak4642_micl_controls),
> +	SND_SOC_DAPM_MUX("Mic Right Capture Route",
> +			SND_SOC_NOPM, 0, 0, ak4642_micr_controls),
> +
> +	SND_SOC_DAPM_INPUT("LIN1"),
> +	SND_SOC_DAPM_INPUT("LIN2"),
> +	SND_SOC_DAPM_INPUT("LIN3"),
> +	SND_SOC_DAPM_INPUT("LIN4"),
> +	SND_SOC_DAPM_INPUT("RIN1"),
> +	SND_SOC_DAPM_INPUT("RIN2"),
> +	SND_SOC_DAPM_INPUT("RIN3"),
> +	SND_SOC_DAPM_INPUT("RIN4"),
>  };
>  
>  static const struct snd_soc_dapm_route ak4642_intercon[] = {
> @@ -205,6 +306,19 @@ static const struct snd_soc_dapm_route ak4642_intercon[] = {
>  	{"DACH", NULL, "DAC"},
>  
>  	{"LINEOUT Mixer", "DACL", "DAC"},
> +
> +	{"Mic Left Capture Route", "LIN1", "LIN1"},
> +	{"Mic Left Capture Route", NULL, "LIN2"},
> +	{"Mic Left Capture Route", NULL, "LIN3"},
> +	{"Mic Left Capture Route", NULL, "LIN4"},
> +
> +	{"Mic Right Capture Route", "RIN1", "RIN1"},
> +	{"Mic Right Capture Route", NULL, "RIN2"},
> +	{"Mic Right Capture Route", NULL, "RIN3"},
> +	{"Mic Right Capture Route", NULL, "RIN4"},
> +
> +	{"ADC", NULL, "Mic Right Capture Route"},
> +	{"ADC", NULL, "Mic Left Capture Route"},
>  };
>  
>  /*
> -- 
> 2.0.0.rc0
> 
> 

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