USB: quirks: enable device-qualifier quirk for Elan Touchscreen
Enable device-qualifier quirk for Elan Touchscreen, which often fails to handle requests for the device_descriptor. Note that the device sometimes do respond properly with a Request Error (three times as USB core retries), but usually fails to respond at all. When this happens any further descriptor requests also fails, for example: [ 1528.688934] usb 2-7: new full-speed USB device number 4 using xhci_hcd [ 1530.945588] usb 2-7: unable to read config index 0 descriptor/start: -71 [ 1530.945592] usb 2-7: can't read configurations, error -71 This has been observed repeating for over a minute before eventual successful enumeration. Reported-by: Drew Von Spreecken <drewvs@gmail.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -93,6 +93,10 @@ static const struct usb_device_id usb_quirk_list[] = {
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{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
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USB_QUIRK_CONFIG_INTF_STRINGS },
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/* Elan Touchscreen */
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{ USB_DEVICE(0x04f3, 0x0089), .driver_info =
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USB_QUIRK_DEVICE_QUALIFIER },
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/* Roland SC-8820 */
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{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
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