linux-kernel - Re: [PATCH] devicetree: Add video bus switch

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Date:   Fri, 3 Feb 2017 22:07:28 +0100
From:   Pavel Machek <pavel@....cz>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Sakari Ailus <sakari.ailus@....fi>, robh+dt@...nel.org,
        devicetree@...r.kernel.org, ivo.g.dimitrov.75@...il.com,
        sre@...nel.org, linux-media@...r.kernel.org, galak@...eaurora.org,
        mchehab@....samsung.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] devicetree: Add video bus switch

On Fri 2017-02-03 14:32:19, Pali Rohár wrote:
> On Friday 03 February 2017 13:35:08 Pavel Machek wrote:
> > N900 contains front and back camera, with a switch between the
> > two. This adds support for the switch component, and it is now
> > possible to select between front and back cameras during runtime.
> 
> IIRC for controlling cameras on N900 there are two GPIOs. Should not you
> have both in switch driver?

I guess you recall wrongly :-). Switch seems to work. The issue was
with switch GPIO also serving as reset GPIO for one sensor, or
something like that, if _I_ recall correctly ;-).

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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