[Bug 248926] Logitech HD Pro Webcam C920 USB_ERR_TIMEOUT

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248926

--- Comment #2 from Ganael LAPLANCHE <martymac at FreeBSD.org> ---
Hello Hans Petter,

Thanks for your answer.

You may be talking about the following, as seen in drivers/usb/core/quirks.c :

        /* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
        { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
        { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
        { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
        { USB_DEVICE(0x046d, 0x085b), .driver_info = USB_QUIRK_DELAY_INIT },
        { USB_DEVICE(0x046d, 0x085c), .driver_info = USB_QUIRK_DELAY_INIT },

but I could not find any quirk for product 0x0892 (I know the webcam works on
Ubuntu 20: I successfully tested it).

Also, "usbconfig -d 1.3 set_config 0" does not seem to produce anything
interesting (no new kernel message), and webcamd still fails to find USB device
afterwards :/

Best regards,
Ganael.

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