Commit c397e8c4 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

media: uvcvideo: Force UVC version to 1.0a for 0408:4035 



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: default avatarGiuliano Lotta <giuliano.lotta@gmail.com>
Closes: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2000947
Link: https://lore.kernel.org/r/20230115205210.20077-1-laurent.pinchart@ideasonboard.com


Tested-by: default avatarGiuliano Lotta <giuliano.lotta@gmail.com>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 86419686

drivers/media/usb/uvc/uvc_driver.c

+11 −0
Original line number Diff line number Diff line
@@ -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,