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Date:   Wed, 6 Dec 2017 12:45:40 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Andrew F. Davis" <afd@...com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        BenoƮt Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>, alsa-devel@...a-project.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 09/19] ASoC: tlv320aic31xx: Remove platform data

On Tue, Dec 05, 2017 at 03:20:19PM -0600, Andrew F. Davis wrote:
> On 12/01/2017 07:26 AM, Mark Brown wrote:

> > The advantage being...?  Not all architectures use DT or ACPI so it's
> > not clear that this is a step forwards in itself.

> Simplifies the code in several places, and you don't need to use DT or
> ACPI, it probes just fine anyway you normally add an I2C device.

> All we are dropping here is the platform_data way of specifying mic-bias
> voltage, which if you are wanting to do that in an out-of-tree board
> file, then I'm sure you can locally modify this driver to use your
> wanted voltage setting by default.

Then if you want to upstream the driver you'll have to add the platform
data support again.  Like I say not all architectures have anything
other than board files.

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