Hi Michael, On 9/2/20 1:31 PM, Markus Armbruster wrote: > Michael Nazzareno Trimarchi <[email protected]> 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 >> <[email protected]> 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 >>> <[email protected]> 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?
