Re: [PATCH v2 06/10] ASoC: wcd9335: add basic controls

[Mark Brown]

On Fri, Jul 27, 2018 at 01:18:02PM +0100, Srinivas Kandagatla wrote:

> +static const char * const wcd9335_ear_pa_gain_text[] = {
> +	"G_6_DB", "G_4P5_DB", "G_3_DB", "G_1P5_DB",
> +	"G_0_DB", "G_M2P5_DB", "UNDEFINED", "G_M12_DB"
> +};

This is fairly clearly a volume control so shouldn't be an enum.  I
don't think we have a standard control that enables you to skip values
in a regular volume control (we do for enums which you should've used
rather than having the undefined entry) so you'd have to have custom get
and put operators but that's better than abusing an enum.

> +static const char * const rx_hph_mode_mux_text[] = {
> +	"CLS_H_INVALID", "CLS_H_HIFI", "CLS_H_LP", "CLS_AB", "CLS_H_LOHIFI"
> +};

Use a SOC_VALUE_ENUM to hide the invalid option from users.

> +	wcd->comp_enabled[comp] = value;
> +	sel = value ? WCD9335_HPH_GAIN_SRC_SEL_COMPANDER :
> +		WCD9335_HPH_GAIN_SRC_SEL_REGISTER;

Just write normal if statements unless there's a reason not to, it's
easier to read.

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