use v4l2-ctl get raw data all is zero.

I use the jetson TX1 and R28.2

I use the V4L2-ctl command as below,but I only can get the raw data all is Zero.

Who can help me fix this questioon?

v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat=RG10 --set-ctrl bypass_mode=0 --stream-mmap --stream-count=1 --stream-to=a001.raw

looks like same issue in topic 1032213, please do not distribute same question to different topics.