linux-kernel - Re: [PATCH 2/2] ASoC: meson: add t9015 internal DAC driver

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Date:   Wed, 19 Feb 2020 14:55:00 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Jerome Brunet <jbrunet@...libre.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        Kevin Hilman <khilman@...libre.com>
Subject: Re: [PATCH 2/2] ASoC: meson: add t9015 internal DAC driver

On Wed, Feb 19, 2020 at 02:36:46PM +0100, Jerome Brunet wrote:

Looks good, couple of small things below:

> +static const struct snd_kcontrol_new t9015_snd_controls[] = {
> +	/* Volume Controls */
> +	SOC_SINGLE("Playback Mute", VOL_CTRL1, DAC_SOFT_MUTE, 1, 0),

This should be Switch (see control-names.rst).

> +	SOC_SINGLE("Volume Ramp Enable", VOL_CTRL1, VC_RAMP_MODE, 1, 0),
> +	SOC_SINGLE("Mute Ramp Enable", VOL_CTRL1, MUTE_MODE, 1, 0),
> +	SOC_SINGLE("Unmute Ramp Enable", VOL_CTRL1, UNMUTE_MODE, 1, 0),

These too.

> +	/* Channel Src */
> +	SOC_ENUM("Right DAC Source", dacr_in_enum),
> +	SOC_ENUM("Left DAC Source",  dacl_in_enum),

Ideally these would be moved into DAPM (using an AIF_IN widget for the
DAI).

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