linux-kernel - Re: [PATCH v2 06/14] ASoC: sun4i-codec: Add support for A31 playback through headphone output

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Message-ID: <20161103173602.zchyciwj66zdibc7@lukather>
Date:   Thu, 3 Nov 2016 18:36:02 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 06/14] ASoC: sun4i-codec: Add support for A31 playback
 through headphone output

Hi,

On Thu, Nov 03, 2016 at 03:55:48PM +0800, Chen-Yu Tsai wrote:
> +/* headphone controls */
> +static const char * const sun6i_codec_hp_src_enum_text[] = {
> +	"DAC", "Mixer",
> +};
> +
> +static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum,
> +			    SUN6I_CODEC_OM_DACA_CTRL,
> +			    SUN6I_CODEC_OM_DACA_CTRL_LHPIS,
> +			    SUN6I_CODEC_OM_DACA_CTRL_RHPIS,
> +			    sun6i_codec_hp_src_enum_text);
> +
> +static const struct snd_kcontrol_new sun6i_codec_hp_src[] = {
> +	SOC_DAPM_ENUM("Headphone Source Playback Route",
> +		      sun6i_codec_hp_src_enum),
> +};

What is that route exactly? A muxer?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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