On Tuesday 22 June 2010, Oliver Neukum wrote: > Am Dienstag, 22. Juni 2010, 13:06:12 schrieb Ondrej Zary: > > On Friday 18 June 2010, Oliver Neukum wrote: > > > Am Freitag, 18. Juni 2010 20:34:03 schrieb Ondrej Zary: > > > > On Friday 18 June 2010 20:22:07 Oliver Neukum wrote: > > > > > Am Donnerstag, 10. Juni 2010 16:13:51 schrieb Ondrej Zary: > > > > > > > > I haven't tested the patches before. Now I tested them and > > > > > > > > the Nexio touchscreen does not play well with suspend. It > > > > > > > > always reconnects after resume from STR or hibernation. > > > > > > > > Autosuspend is probably never activated at the URBs are > > > > > > > > submitted continuously. > > > > > > > > > > > > > > I see. Can you compile with CONFIG_USB_DEBUG and send me the > > > > > > > log? > > > > > > > > > > > > This can't be fixed - no matter what you do, the device > > > > > > reconnects if you stop talking to it. > > > > > > > > > > Have you tried setting it back to config 0? > > > > > > > > No, I haven't. It reconnects even if there's no driver loaded (e.g. > > > > older kernel). I don't know if kernel sets configuration on all USB > > > > devices upon connect (even if there's no driver). > > > > > > Yes, the kernel sets a configuration if the power budget allows it. > > > You can set it back to 0 through sysfs and see what happens. > > > > It disconnects and reconnects after bConfigurationValue is set to 0. > > 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. -- Ondrej Zary -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
