Re: [0000/0003]full power management for usb touchscreens

[Ondrej Zary <linux@rainbow-software.org>]

On Thursday 24 June 2010, Oliver Neukum wrote:
> Am Dienstag, 22. Juni 2010, 15:43:24 schrieb Ondrej Zary:
> > On Tuesday 22 June 2010, Oliver Neukum wrote:
> > > This is a violation of the spec. Can you give me the IDs so that I can
> > > put the devices into the quirks file? Or can I take this from the
> > > driver? Do all devices that marked as always needing an irq transfer
> > > behave this way?
> >
> > This is not a bug surprise as this device is broken in many ways. It
> > takes ages to detect and identify and looks like cdc_acm. The
> > pseudo-multitouch capable protocol is pretty bad too. Also there are some
> > reports about devices using the same ID but different protocol.
> >
> > I have only one - 1870:0001, don't know anything about the other.
>
> OK, it seems like those devices are hopeless. Could you test this series
> form harmlessness on a broken device and functionality on a non-broken
> device?

Tested with:
0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen
595a:0001 IRTOUCHSYSTEMS Co. Ltd. Touchscreen
1870:0001 Nexio Co., Ltd iNexio Touchscreen controller

The patches have no visible effect on these devices so they're probably OK.

-- 
Ondrej Zary