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

From: Dmitry Torokhov
Date: Wed Jun 27 2007 - 15:19:17 EST


On 6/27/07, Clemens Koller <clemens.koller@xxxxxxxxxxx> wrote:
Hello, Dimitry!

Dmitry Torokhov schrieb:
> On 6/27/07, Clemens Koller <clemens.koller@xxxxxxxxxxx> 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 don't.

I guess there are different firmware releases for the different
TSC-10* devices which behave... well... different. :-(


Could be, although according to that data sheet 0x0600 is ACK for both
touchschreens with and without EEPROMs.

I think most of the changes fro USB touchscreen came in from Daniel
Ritz, let's try CCing him...

--
Dmitry
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