linux-kernel - Re: [alsa-devel] [PATCH 2/3] ASoC: simple-card: Add support jack detection via codec

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Date:	Mon, 25 Apr 2016 13:55:04 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Jeremy McDermond <mcdermj@...otropic.com>
Cc:	Xing Zheng <zhengxing@...k-chips.com>,
	Mark Rutland <mark.rutland@....com>,
	Andrew Lunn <andrew@...n.ch>, alsa-devel@...a-project.org,
	Mengdong Lin <mengdong.lin@...ux.intel.com>, heiko@...ech.de,
	Liam Girdwood <lgirdwood@...il.com>,
	Takashi Iwai <tiwai@...e.com>, Rob Herring <robh@...nel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	sugar.zhang@...k-chips.com, linux-rockchip@...ts.infradead.org,
	jay.xu@...k-chips.com, devicetree@...r.kernel.org,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Jyri Sarha <jsarha@...com>,
	Arnaud Pouliquen <arnaud.pouliquen@...com>,
	linux-kernel@...r.kernel.org, Adam.Thomson@...semi.com,
	Kumar Gala <galak@...eaurora.org>, Jun Nie <jun.nie@...aro.org>
Subject: Re: [alsa-devel] [PATCH 2/3] ASoC: simple-card: Add support jack
 detection via codec

On Fri, Apr 22, 2016 at 09:37:39AM -0700, Jeremy McDermond wrote:

> components fairly well.  I’m just trying to wrap my head around
> where this all would fit in.  Should the codec driver just register
> a bunch of clock components in its initialization somewhere?
> I’m thinking that it can’t have its own CCF driver separate from
> the codec driver because you won’t have proper access to the
> registers over I2C or SPI.  I don’t find a lot of examples in the
> codec drivers, and there aren’t very many other drivers in the tree
> that seem to register clocks with CCF that I can find.

If the clock code is worth splitting off into a separate driver that's
what drivers/mfd is for.

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