linux-kernel - Re: [alsa-devel] [PATCH] ASoC: codecs: da9055: Update driver name to fix breakage due to pmic driver with same name

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Message-ID: <20130805144201.GF9858@sirena.org.uk>
Date:	Mon, 5 Aug 2013 15:42:01 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Ashish Chavan <ashish.chavan@...tcummins.com>
Cc:	lrg <lrg@...com>, alsa-devel <alsa-devel@...a-project.org>,
	David Dajun Chen <david.chen@...semi.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"kiran.padwal" <kiran.padwal@...tcummins.com>
Subject: Re: [alsa-devel] [PATCH] ASoC: codecs: da9055: Update driver name to
 fix breakage due to pmic driver with same name

On Mon, Aug 05, 2013 at 01:25:31PM +0530, Ashish Chavan wrote:
> On Mon, 2013-07-29 at 17:01 +0100, Mark Brown wrote:

> > Well, it's a very unusual hardware design choice to have multiple I2C
> > endpoints in a single physical chip.

> I hope to see more of such devices in near future.

There's probably a reason why it's not a common hardware design...

> > With regmap it should be very straightforward to reuse the same driver
> > for both standalone and non-standalone versions, just a small amount of
> > glue code in the CODEC driver I'd expect.  Usually the bus level code is
> > tiny.

> The glue code that you are talking about is for the same virtual MFD
> component that you proposed initially, right? I mean the glue code in
> CODEC will help it to get attached to the MFD. In this case, in addition
> to the glue code inside CODEC we will also need additional MFD
> component. Or I am completely misinterpreting you here?

No, I'm talking about the same thing I was talking about originally.

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