On Thu, 2015-05-21 at 19:08 +0200, Marcel Holtmann wrote: > Hi Bastien, > > > > > > Could you specify exactly the model? > > > > > > > > Onda v975w > > > > > > > > > If android is running fine on it you may check android > > > > > kernel > > > > > config > > > > > for > > > > > this device and check which udc is enabled. > > > > > > > > No kernel sources from this Chinese vendor. But it looks like > > > > the > > > > USB_DWC3 config is the one to enable. > > > > > > > > > > I see that this tablet is running windows by default so just > > > flash > > > it > > > with stock image and check what device manager says about udc;) > > > > The Baytrail UDC driver is supposed to be a DWC3 PCI device, but it > > doesn't show up in lspci at all. Given that I managed to make an > > NFC > > chip show up that I didn't know was in the machine, I guess it's > > possibly hidden in the firmware somewhere. > > not all devices enumerate via PCI. Some of them only enumerate via > ACPI. Right, but the UDC support for Bay Trail is only currently supported on Linux through PCI, no? If it's supported any other way, would you know the ACPI ID for it? I couldn't find anything browsing through the device's DSDT. Given that the v975i variant of the device runs on Android (and this version can run on Android, I think), the device is bound to be exported in some way. -- 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
