linux-kernel - Re: [PATCH 3/6] ASoC: da7219: Update REFERENCES reg default, in-line with HW

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Message-ID: <20151223113855.GQ16023@sirena.org.uk>
Date:	Wed, 23 Dec 2015 11:38:55 +0000
From:	Mark Brown <broonie@...nel.org>
To:	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>
Cc:	Liam Girdwood <lgirdwood@...il.com>, Takashi Iwai <tiwai@...e.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Support Opensource <Support.Opensource@...semi.com>
Subject: Re: [PATCH 3/6] ASoC: da7219: Update REFERENCES reg default, in-line
 with HW

On Wed, Dec 23, 2015 at 09:47:23AM +0000, Opensource [Adam Thomson] wrote:
> On December 23, 2015 00:10, Mark Brown wrote:

> > This is the sort of thing where a register patch would normally be used
> > - if you put in a register patch for the older silicon then the driver
> > can correct for the register default automatically.

> Thanks. Yes, am aware of that. Were the older silicon still in use then I'd have
> taken that route, but didn't seem necessary in this instance.

It costs you nothing to do it properly and you might be surprised how
often older silicon turns up somewhere.

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