V4L/DVB (9810): uvcvideo: Add a device quirk to prune bogus controls.

Bogus controls currently include processing unit auto controls for which no
corresponding manual control is available. Such auto controls make little
sense if any, and are known to crash at least the SiGma Micro webcam.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index a67533f11f2e..1054c7656aef 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1894,7 +1894,8 @@ static struct usb_device_id uvc_ids[] = {
           .bInterfaceSubClass   = 1,
           .bInterfaceProtocol   = 0,
           .driver_info          = UVC_QUIRK_PROBE_MINMAX
-                                | UVC_QUIRK_IGNORE_SELECTOR_UNIT},
+                                | UVC_QUIRK_IGNORE_SELECTOR_UNIT
+                                | UVC_QUIRK_PRUNE_CONTROLS },
         /* Generic USB Video Class */
         { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, 0) },
         {}