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The UVC gadget driver now defines its API in the linux/usb/g_uvc.h
public header, use it instead of including an internal kernel header
through a relative path.
The public API doesn't define the UVC_INTF_CONTROL and
UVC_INTF_STREAMING macros, define them locally until we can get rid of
them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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On alternate setting change, the webcam gadget sends us a
UVC_EVENT_STREAMON or UVC_EVENT_STREAMOFF event. In the first case, the
driver will issue a delayed status response automatically when we call
the VIDIOC_STREAMON ioctl. In the second case, the driver sends the
status response immediately. We must thus not send the status response
manually with UVCIOC_SEND_RESPONSE in any of those cases.
Without this, the ISO streaming doesn't work if host application
(e.g. luvcview) is closed and restarted.
On dwc3 gadget controller it was resulting in Buffer Expiry error on
the ISO endpoint.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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