Re: [PATCH 1/2] leds: cpcap: new driver

From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
	Richard Purdie <rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org>,
	Jacek Anaszewski
	<jacek.anaszewski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	linux-leds-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/2] leds: cpcap: new driver
Date: Tue, 11 Apr 2017 22:19:03 +0200	[thread overview]
Message-ID: <20170411201903.GA14911@amd> (raw)
In-Reply-To: <20170307171926.wscaogsrdmxc2opz@earth>

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Hi!

> On Mon, Mar 06, 2017 at 11:11:47PM +0100, Pavel Machek wrote:
> > > Motorola CPCAP is a PMIC found in multiple smartphones.
> > > This driver adds support for the chip's LED controllers.
> > > It has explicit support for all controllers used by the
> > > Droid 4. Since no datasheets are available the other
> > > available controllers are not supported until somebody
> > > verified, that the register layout matches.
> > 
> > This of course leads me to two questions:
> > 
> > 1) Where can I get Droid 4?
> 
> I got a used one on Ebay for 42€ incl. shipping & customs. The trick
> is clicking the worldwide option, since they are pretty expensive in
> EU (they only exist with US LTE modem, so they were not sold here
> officially).
> 
> > 2) How well is it supported?
> 
> UART + WLAN works with mainline master branch. As written by Tony
> we have a couple of patches ready for 4.12. Big open tasks are the
> cameras and the modems. Cameras are handled via co-processor in the
> stock system (that's about all I know about them so far) and modems are
> connected via USB + GPIOs (and for the 2G/3G modem an additional UART).
> LTE modem support seems simple (USB-CDC based), but does not work
> in EU and 2G/3G looks like much work. Modem voice support will be
> simpler than on N900, though (data goes directly to the audio codec).
> Speaking about audio codec: I'm currently working on that.

Thanks for all the information. It looks like a nice and powerful
machine, but I'm looking for a phone, first. (I'd actually like
something smaller than n900, preferably 3 times smaller... but... as
long as it calls it will have to do :-) ).

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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