linux-kernel - Re: regmap for i2c pages

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Message-ID: <20170602165447.kflg2u6ovdrwcwjo@sirena.org.uk>
Date:   Fri, 2 Jun 2017 17:54:47 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-media <linux-media@...r.kernel.org>
Subject: Re: regmap for i2c pages

On Thu, Jun 01, 2017 at 11:37:43PM -0700, Tim Harvey wrote:

> I believe this is a very common i2c register mechanism but I'm not
> clear what the best way to use i2c regmap for this is. I'm reading
> that regmap 'handles register pages' but I'm not clear if that's the
> same thing I'm looking for. If so, are there any examples of this? I
> see several i2c drivers that reference pages but it looks to me that
> each page is a different i2c slave address which is something
> different.

You're looking for regmap_range (search for window in regmap.h).

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