V4L2CTL

[Andre Bella]

I'm trying to add the V4L2 controller to a driver and I think something is missing cause I get this error, 
WARNING: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could not get parameters on device '/dev/video0'    
Additional debug info:                                                                                                
v4l2src_calls.c(235): gst_v4l2src_set_capture (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:                         
and I trace it back to here: 
https://github.com/krad-radio/gstreamer-plugins-good-krad/blob/master/sys/v4l2/v4l2src_calls.c
what parameter I'm missing in the driver? which v4l2ctl I'm missing?

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