linux-kernel - Re: [RESEND RFC PATCH 1/3] ASoC: mediatek: Add binding support for AFE driver

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Date:	Tue, 21 Apr 2015 11:56:23 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Koro Chen <koro.chen@...iatek.com>
Cc:	Sascha Hauer <s.hauer@...gutronix.de>, robh+dt@...nel.org,
	matthias.bgg@...il.com, perex@...ex.cz, tiwai@...e.de,
	srv_heupstream@...iatek.com, linux-mediatek@...ts.infradead.org,
	galak@...eaurora.org, lgirdwood@...il.com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [RESEND RFC PATCH 1/3] ASoC: mediatek: Add binding support for
 AFE driver

On Tue, Apr 21, 2015 at 06:15:06PM +0800, Koro Chen wrote:
> On Tue, 2015-04-21 at 11:49 +0200, Sascha Hauer wrote:

> > there are two programmable hardware gain blocks which can be inserted to
> > the digital audio path using the crossbar switch. There must be some
> > mechanism to configure them into different places.

> Maybe in DPCM, they can be "widgets", and we can define "routes" and
> corresponding controls for them. 

Yes, exactly - it's basically just like a CODEC.

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