linux-kernel - Re: HTC Dream camera support for staging

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Date:	Mon, 13 Jul 2009 22:27:20 +0200
From:	Pavel Machek <pavel@....cz>
To:	Brian Swetland <swetland@...gle.com>
Cc:	Arve Hj??nnev??g <arve@...gle.com>,
	Iliyan Malchev <malchev@...gle.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: HTC Dream camera support for staging

On Thu 2009-07-09 04:06:35, Brian Swetland wrote:
> (arve -- see below about matrix driver)

Arve, can you help?

> On Thu, Jul 9, 2009 at 3:13 AM, Pavel Machek<pavel@....cz> wrote:
> >>
> >> The NAND and USB support is much more contained.
> >
> > Well.. NAND scares me a bit -- and I'm happy with SD card for now.
> 
> Well, you actually can't overwrite the bootloader with the way the
> NAND partitions are protected and made visible to the arm11, and the
> bootloader can reflash the boot/recovery/system/user partitions via
> usb using fastboot.

Ok, good to know.

> > USB support seems complex because it duplicates USB gadget framework :-(.
> 
> Actually we have both.  We did the function framework before the
> gadget framework had multifunction/composite support, but we're now
> moving away from that since the necessary functionality is in gadget
> now.  The latest 2.6.29 tree on our side has a gadget driver for the
> USB client controller and an "android" gadget that handles the adb
> protocol function and ums function.

ums == mass storage? What is adb? ... aha, adb is the debugger.

> > gpio_matrix: I thought in-tree zaurus keypad driver has recently
> > became generic enough to almost replace this?
> 
> Looping Arve in.  I think he had issues with lack of phantom key
> detection, etc with that.

Arve, can you help?

> > +config TOUCHSCREEN_ELAN_I2C_8232
> > /
> > +config TOUCHSCREEN_SYNAPTICS_I2C_RMI
> >
> > ...which one is it on Dream?
> 
> Both, possibly.  HTC used elan as a second source, so some devices
> will use elan, some use synaptics.

Is there easy way to tell the machines apart? Are there any hardware
differences (besides case color and touchscreen chip)?

> Dream is definitely not the last Android device with a keyboard.

Cool.
									Pavel

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