linux-kernel - Re: [PATCH v5 4/8] ASoC: wcd9335: add basic controls

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Message-ID: <20190122185253.GG7579@sirena.org.uk>
Date:   Tue, 22 Jan 2019 18:52:53 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     robh+dt@...nel.org, lgirdwood@...il.com, bgoswami@...eaurora.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        vkoul@...nel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v5 4/8] ASoC: wcd9335: add basic controls

On Thu, Jan 10, 2019 at 03:06:12PM +0000, 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"
> +};

Gains should be controlled with Volume controls, not enums.  Provide
information on the levels via TLV.

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

Is there a strong reason not to use more human readable strings here?

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