[PATCH AUTOSEL 6.11 09/20] media: uvcvideo: Force UVC version to 1.0a for 0408:4033

From: Sasha Levin
Date: Sun Nov 24 2024 - 08:13:00 EST


From: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>

[ Upstream commit c9df99302fff53b6007666136b9f43fbac7ee3d8 ]

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://lore.kernel.org/linux-media/fce4f906-d69b-417d-9f13-bf69fe5c81e3@koyu.space/
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240924-uvc-quanta-v1-1-2de023863767@xxxxxxxxxxxx
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 1f0021f3221e5..79dd5bc729fcc 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -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,
--
2.43.0