Re: usb-wacom-tablet failing to register

[Michael Nazzareno Trimarchi <michael@amarulasolutions.com>]

Hi

On Wed, Feb 3, 2021 at 5:51 PM Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
>
> Hi Michael,
>
> On 9/2/20 1:31 PM, Markus Armbruster wrote:
> > Michael Nazzareno Trimarchi <michael@amarulasolutions.com> writes:
> >
> >> Hi Markus
> >>
> >> I have seen that you are a committer there so what I have seen that
> >
> > I know precious little about USB, and nothing about this particular
> > device.  I'm cc'ing our USB maintainer Gerd.
> >
> >> This request is not implement
> >>  switch (request) {
> >>     case InterfaceRequest | USB_REQ_GET_DESCRIPTOR:
> >>
> >> When linux probe it fail here
> >>
> >> ret = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber,
> >>>                         HID_DT_REPORT, rdesc, rsize);
> >>
> >> I think that I miss something in documentation
> >>
> >> Running 5.8.0-rc3 and qemu 4.2.0
> >>
> >> Michael
> >>
> >> On Sat, Aug 8, 2020 at 4:59 PM Michael Nazzareno Trimarchi
> >> <michael@amarulasolutions.com> wrote:
> >>>
> >>> Hi
> >>>
> >>> What I have seen is that the parse fail to execute
> >>> hid ll_driver parse fai for
> >>>
> >>>  ret = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber,
> >>>                         HID_DT_REPORT, rdesc, rsize);
> >>>
> >>> Now this is not implemented in hw/dev-wacom.c . What am I missing?
> >>>
> >>> #!/bin/sh
> >>> IMAGE_DIR="${0%/*}/"
> >>>
> >>> if [ "${1}" = "serial-only" ]; then
> >>>     EXTRA_ARGS='-nographic'
> >>> else
> >>>     EXTRA_ARGS='-serial stdio'
> >>> fi
> >>>
> >>> export PATH="/home/michael/work/amarula/buildroot/output/host/bin:${PATH}"
> >>> exec   qemu-system-i386 -M pc -kernel ${IMAGE_DIR}/bzImage -usb
> >>> -device usb-wacom-tablet -drive
> >>> file=${IMAGE_DIR}/rootfs.ext2,if=virtio,format=raw -append "rootwait
> >>> root=/dev/vda console=tty1 console=ttyS0"  -net nic,model=virtio -net
> >>> use
> >>> r  ${EXTRA_ARGS}
> >>>
> >>> This is how I run it
> >>>
> >>> Michael
> >>>
> >>> On Sat, Jul 11, 2020 at 4:38 PM Michael Nazzareno Trimarchi
> >>> <michael@amarulasolutions.com> wrote:
> >>>>
> >>>> Hi all
> >>>>
> >>>> On my 4.17.0-rc1 linux kernel i386 running on qemu, I can't register
> >>>> the wacom driver emulation
> >>>> QEMU emulator version 4.2.0 (Debian 1:4.2-3ubuntu6.3)
> >>>> Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
> >>>>
> >>>> [    0.395368] ata2.00: configured for MWDMA2
> >>>> [    0.397049] scsi 1:0:0:0: CD-ROM            QEMU     QEMU DVD-ROM
> >>>>   2.5+ PQ: 0 ANSI: 5
> >>>> [    0.584135] usb 2-1: new full-speed USB device number 2 using xhci_hcd
> >>>> [    0.734449] usb 2-1: New USB device found, idVendor=056a,
> >>>> idProduct=0000, bcdDevice=42.10
> >>>> [    0.734461] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> >>>> [    0.734466] usb 2-1: Product: Wacom PenPartner
> >>>> [    0.734470] usb 2-1: Manufacturer: QEMU
> >>>> [    0.734474] usb 2-1: SerialNumber: 1-0000:00:04.0-1
> >>>> [    0.737347] usbhid 2-1:1.0: can't add hid device: -32
> >>>> [    0.737366] usbhid: probe of 2-1:1.0 failed with error -32
> >>>>
> >>>> I get back an error. Any suggestions?
>
> Do you still have that issue?
>

Sorry, I'm really on a lot of programming. I have a patch, need to
clean up and send up, according to review
and I need to test it again

Michael

-- 
Michael Nazzareno Trimarchi
Amarula Solutions BV
COO Co-Founder
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