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

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Date:	Wed, 23 Dec 2015 09:47:23 +0000
From:	"Opensource [Adam Thomson]" <Adam.Thomson.Opensource@...semi.com>
To:	Mark Brown <broonie@...nel.org>,
	"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 December 23, 2015 00:10, Mark Brown wrote:

> On Tue, Dec 22, 2015 at 06:27:53PM +0000, Adam Thomson wrote:
> > In current AB silicon, BIAS_EN field is enabled by default in the
> > REFERENCES register, so the regmap default value should reflect
> > this.
> 
> 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.