linux-kernel - Re: 2.6.21.5: BUG: usbtouchscreen.c DMC TSC-10 wrong descriptor type / type->init() failed.

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Message-ID: <4682A4E2.4020206@anagramm.de>
Date:	Wed, 27 Jun 2007 19:56:50 +0200
From:	Clemens Koller <clemens.koller@...gramm.de>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21.5: BUG: usbtouchscreen.c DMC TSC-10 wrong descriptor type
 / type->init() failed.

Hello, Dimitry!

Dmitry Torokhov schrieb:
> On 6/27/07, Clemens Koller <clemens.koller@...gramm.de> wrote:
>> drivers/usb/input/usbtouchscreen.c: usbtouch_probe - type->init() 
>> failed, err: -19
> 
> dmc_tsc10_init() returns -ENODEV (-19) when device responds with
> something other than 0x06 0x00 to the "reset" and "set rate" commands.
> It would be interesting to see what your touchscreen responses are.

Yes, thank you!
I just had a look into the datasheet.
(tsc10usb_pi_e.pdf, Rev. 1.2 from November 1, 2005)
and I will need more debugging info to the dmc_tsc10_init()...

As I wrote, I am using the TSC-103 without EEPROM.
(I can add one if it's of any use.)
The PanelID is 0 (pin 3 [SEL1] is low), so it's the "first"
device on the bus.

What exact chip version and EEPROM configuration do you use?
I guess there are different firmware releases for the different
TSC-10* devices which behave... well... different. :-(

Regards,
-- 
Clemens Koller
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