This is a note to let you know that I've just added the patch titled
media: uvcvideo: Force UVC version to 1.0a for 0408:4035
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-uvcvideo-force-uvc-version-to-1.0a-for-0408-40.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2e7152f3794ef1552c3b5f699e81a051ae578323
Author: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Date: Sun Jan 15 22:52:10 2023 +0200
media: uvcvideo: Force UVC version to 1.0a for 0408:4035
[ Upstream commit c397e8c45d911443b4ab60084fb723edf2a5b604 ]
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.lotta@xxxxxxxxx>
Closes: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2000947
Link: https://lore.kernel.org/r/20230115205210.20077-1-laurent.pinchart@xxxxxxxxxxxxxxxx
Tested-by: Giuliano Lotta <giuliano.lotta@xxxxxxxxx>
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Stable-dep-of: c9df99302fff ("media: uvcvideo: Force UVC version to 1.0a for 0408:4033")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 5a3e933df633..adf1abce5333 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2519,6 +2519,17 @@ 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,
