linux-kernel - Re: [PATCH v4 27/28] ASoC: codecs: Add support for the framer codec

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Message-ID: <e1ca6c2f-92e4-6dad-79ec-71cf66e9a385@infradead.org>
Date:   Fri, 18 Aug 2023 16:18:15 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Herve Codina <herve.codina@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Qiang Zhao <qiang.zhao@....com>, Li Yang <leoyang.li@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>
Cc:     netdev@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        alsa-devel@...a-project.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v4 27/28] ASoC: codecs: Add support for the framer codec

Hi,

On 8/18/23 09:39, Christophe Leroy wrote:
> +config SND_SOC_FRAMER
> +	tristate "Framer codec"
> +	depends on GENERIC_FRAMER
> +	help
> +	  Enable support for the framer codec.
> +	  The framer codec uses the generic framer infrastructure to transport
> +	  some audio data over an analog E1/T1/J1 line.
> +	  This codec allows to use some of the time slots available on the TDM
> +	  bus on which the framer is connected to transport the audio data.
> +

Just curious: what controls the slot allocations/usages?
Is that done in userspace?

> +	  To compile this driver as a module, choose M here: the module
> +	  will be called snd-soc-framer.

thanks.
-- 
~Randy