usb: gadget: uvc: set v4l2_dev->dev in f_uvc

The v4l2_dev has no corresponding device to it. We will
point it to the gadget's dev.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20210628155311.16762-4-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index f48a00e..9d87c0f 100644 (file)
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -418,6 +418,7 @@ uvc_register_video(struct uvc_device *uvc)
 
        /* TODO reference counting. */
        uvc->vdev.v4l2_dev = &uvc->v4l2_dev;
+       uvc->vdev.v4l2_dev->dev = &cdev->gadget->dev;
        uvc->vdev.fops = &uvc_v4l2_fops;
        uvc->vdev.ioctl_ops = &uvc_v4l2_ioctl_ops;
        uvc->vdev.release = video_device_release_empty;