IMX219 640x480 mode

I have Waveshare 16579 IMX219 camera, when I check

v4l2-ctl --list-formats-ext
ioctl: VIDIOC_ENUM_FMT
	Index       : 0
	Type        : Video Capture
	Pixel Format: 'RG10'
	Name        : 10-bit Bayer RGRG/GBGB
		Size: Discrete 3264x2464
			Interval: Discrete 0.048s (21.000 fps)
		Size: Discrete 3264x1848
			Interval: Discrete 0.036s (28.000 fps)
		Size: Discrete 1920x1080
			Interval: Discrete 0.033s (30.000 fps)
		Size: Discrete 1640x1232
			Interval: Discrete 0.033s (30.000 fps)
		Size: Discrete 1280x720
			Interval: Discrete 0.017s (60.000 fps)

there is no 640x480 mode, I need 4:3 format (whole sensor) and high fps (to minimize latency).

You need consult with Sony to get the sensor initial REG table to add it to the driver and device tree for it.
Otherwise you can use 720p@60 and crop to 4:3 by nvvidconv

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