From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
This is needed to tell the userspace daemon
to disable the streaming if the device is
suspended.
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/f_uvc.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index 38dcedd..fdfb6f6 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -374,6 +374,21 @@ uvc_function_disable(struct usb_function *f)
uvc->state = UVC_STATE_DISCONNECTED;
}
+static void
+uvc_function_resume(struct usb_function *f)
+{
+ struct uvc_device *uvc = to_uvc(f);
+ struct v4l2_event v4l2_event;
+
+ INFO(f->config->cdev, "uvc_function_resume\n");
+
+ memset(&v4l2_event, 0, sizeof(v4l2_event));
+ v4l2_event.type = UVC_EVENT_CONNECT;
+ v4l2_event_queue(uvc->vdev, &v4l2_event);
+
+ uvc->state = UVC_STATE_CONNECTED;
+}
+
/* --------------------------------------------------------------------------
* Connection / disconnection
*/
@@ -818,6 +833,8 @@ uvc_bind_config(struct usb_configuration *c,
uvc->func.get_alt = uvc_function_get_alt;
uvc->func.set_alt = uvc_function_set_alt;
uvc->func.disable = uvc_function_disable;
+ uvc->func.suspend = uvc_function_disable;
+ uvc->func.resume = uvc_function_resume;
uvc->func.setup = uvc_function_setup;
ret = usb_add_function(c, &uvc->func);
--
1.8.2.rc2
--
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