]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
USB: ezcap401 needs USB_QUIRK_NO_BOS to function on 10gbs usb speed
authorVyacheslav Vahnenko <vahnenko2003@gmail.com>
Fri, 13 Mar 2026 12:36:38 +0000 (15:36 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 13 Mar 2026 17:19:07 +0000 (18:19 +0100)
Add USB_QUIRK_NO_BOS for ezcap401 capture card, without it dmesg will show
"unable to get BOS descriptor or descriptor too short" and "unable to
read config index 0 descriptor/start: -71" errors and device will not
able to work at full speed at 10gbs

Signed-off-by: Vyacheslav Vahnenko <vahnenko2003@gmail.com>
Cc: stable <stable@kernel.org>
Link: https://patch.msgid.link/20260313123638.20481-1-vahnenko2003@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/quirks.c

index e3f402e0c3518a36bdfde11a2bc322f09f825abb..5523a8e2902173996573973d31dea764f5bc8dd0 100644 (file)
@@ -589,6 +589,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
        { USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
 
+       /* ezcap401 - BOS descriptor fetch hangs at SuperSpeed Plus */
+       { USB_DEVICE(0x32ed, 0x0401), .driver_info = USB_QUIRK_NO_BOS },
+
        /* DELL USB GEN2 */
        { USB_DEVICE(0x413c, 0xb062), .driver_info = USB_QUIRK_NO_LPM | USB_QUIRK_RESET_RESUME },