linux-kernel - Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

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Message-ID: <20150107173351.GB2634@sirena.org.uk>
Date:	Wed, 7 Jan 2015 17:33:51 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Andrew Jackson <Andrew.Jackson@....com>
Cc:	Jean-Francois Moine <moinejf@...e.fr>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Dave Airlie <airlied@...il.com>, Jyri Sarha <jsarha@...com>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 1/4] drm/i2c: tda998x: Add DT support for audio

On Wed, Jan 07, 2015 at 05:18:20PM +0000, Andrew Jackson wrote:

> I understand your difficulty!  I was just wanting something to clarify the 
> meaning of the value without reference to the driver source.

> You could add something like this to your existing explanation: "The value
> describes which audio input pins are selected; this varies depending
> on chip type so consult the section on audio port configuration in the 
> relevant datasheet.".  

This is commonly done by just saying that the value will be written into
a given bitfield for such and such a purpose and then relying on the
chip documentation for that; it's a more direct way of saying the above.

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