Commit c9df9930 authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Hans Verkuil
Browse files

media: uvcvideo: Force UVC version to 1.0a for 0408:4033 



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://lore.kernel.org/linux-media/fce4f906-d69b-417d-9f13-bf69fe5c81e3@koyu.space/


Signed-off-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20240924-uvc-quanta-v1-1-2de023863767@chromium.org


Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
parent b2ec92bb

drivers/media/usb/uvc/uvc_driver.c

+11 −0
Original line number Diff line number Diff line
@@ -2433,6 +2433,17 @@ static const struct uvc_device_info uvc_quirk_force_y8 = { 
 */

static const struct usb_device_id uvc_ids[] = {

	/* Quanta ACER HD User Facing */

	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE

				| USB_DEVICE_ID_MATCH_INT_INFO,

	  .idVendor		= 0x0408,

	  .idProduct		= 0x4033,

	  .bInterfaceClass	= USB_CLASS_VIDEO,

	  .bInterfaceSubClass	= 1,

	  .bInterfaceProtocol	= UVC_PC_PROTOCOL_15,

	  .driver_info		= (kernel_ulong_t)&(const struct uvc_device_info){

		.uvc_version = 0x010a,

	  } },

	/* Quanta ACER HD User Facing */

	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE

				| USB_DEVICE_ID_MATCH_INT_INFO,

	  .idVendor		= 0x0408,