Re: [2/2] hid-multitouch: introduce IrTouch Infrared USB device

From: Benjamin Tissoires
Date: Fri Jan 28 2011 - 11:59:47 EST

Hi Florian,

On Fri, Jan 28, 2011 at 17:24, Florian Echtler <floe@xxxxxxxxxxxxxx> wrote:
> Hello everyone,
>> The product id is the 42 inches one. I don't know if they have
>> other product id for the other size, or if it is a per-size product id.
> This is very interesting, I have access to a 65" IrTouch system which
> has VID 0x6615 and PID 0x0C20. I wasn't aware that there are already
> kernel drivers for their systems, I had been playing around with their
> awful binary driver and had done some experiments with libusb. Is there
> a documentation of some kind available?

We just made the analysis of the hid reports that are send. We have no
documentation for this particular device.

>> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
>> index 92a0d61..b1dd7ad 100644
>> --- a/drivers/hid/hid-ids.h
>> +++ b/drivers/hid/hid-ids.h
>> @@ -333,6 +333,9 @@
>>  #define USB_VENDOR_ID_IMATION                0x0718
>>  #define USB_DEVICE_ID_DISC_STAKKA    0xd000
> I will test this on our screen next week.
> I assume that I should use the tree from:

hid-multitouch is schedulded for 2.6.38. So you can also use the stock

> Note: after briefly browsing through hid-multitouch.c, it seems to me
> that there might be issues; the USB interface on our screen doesn't
> report as HID device, but as vendor class (0xFF).

This is more problematic. Hardware makers are forced to push hid aware
firmware to be win7 certified. Maybe they have a new firmware for your

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