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Subject: media: uvcvideo: Force UVC version to 1.0a for 0408:4035 Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Date: Sun Jan 15 22:52:10 2023 +0200 The Quanta ACER HD User Facing camera reports a UVC 1.50 version, but implements UVC 1.0a as shown by the UVC probe control being 26 bytes long. Force the UVC version for that device. Reported-by: Giuliano Lotta <giuliano.lo...@gmail.com> Closes: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2000947 Link: https://lore.kernel.org/r/20230115205210.20077-1-laurent.pinch...@ideasonboard.com Tested-by: Giuliano Lotta <giuliano.lo...@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> drivers/media/usb/uvc/uvc_driver.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 13c2c11cfdf6..a557314d5145 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -2471,6 +2471,17 @@ static const struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = UVC_PC_PROTOCOL_15, .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited }, + /* Quanta ACER HD User Facing */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x0408, + .idProduct = 0x4035, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = UVC_PC_PROTOCOL_15, + .driver_info = (kernel_ulong_t)&(const struct uvc_device_info){ + .uvc_version = 0x010a, + } }, /* LogiLink Wireless Webcam */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO,
