Re: [PATCH 12/25] ASoC: meson: t9015: add support for A1 SoC family

[Mark Brown <broonie@xxxxxxxxxx>]

On Fri, Mar 15, 2024 at 02:21:48AM +0300, Jan Dakinevich wrote:

> +static const char * const a1_adc_mic_bias_level_txt[] = { "2.0V", "2.1V",
> +	"2.3V", "2.5V", "2.8V" };
> +static const unsigned int a1_adc_mic_bias_level_values[] = { 0, 1, 2, 3, 7 };

Why would this be varied at runtime rather than being something fixed
when the system is designed?

> +static const char * const a1_adc_pga_txt[] = { "None", "Differential",
> +	"Positive", "Negative" };
> +static const unsigned int a1_adc_pga_right_values[] = { 0, PGAR_DIFF,
> +	PGAR_POSITIVE, PGAR_NEGATIVE };
> +static const unsigned int a1_adc_pga_left_values[] = { 0, PGAL_DIFF,
> +	PGAL_POSITIVE, PGAL_NEGATIVE };

Similarly here.

> +	SOC_SINGLE("ADC Mic Bias Switch", LINEIN_CFG, MICBIAS_EN, 1, 0),
> +	SOC_ENUM("ADC Mic Bias Level", a1_adc_mic_bias_level),

Why would micbias be user controlled rather than a DAPM widget as
normal?

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