Megapixels 2.0 doesn't work with front camera

Following output is, when the camera is switched to front:

Dropping frame
Dropping frame
[Thread 0xfffff23ece00 (LWP 4892) exited]
[Thread 0xffffbb7eee00 (LWP 4900) exited]
[Thread 0xffffbbffee00 (LWP 4899) exited]
Dropping frame
[Thread 0xffffc8a4ee00 (LWP 4898) exited]
[Thread 0xffffcb7eee00 (LWP 4897) exited]
[Thread 0xffffcbffee00 (LWP 4896) exited]
Dropping frame
[libmegapixels] Driver rejected resolution try: 1280x960, changed to 1280x720
MPCamera: VIDIOC_STREAMON error 32, Broken pipe
MPCamera: VIDIOC_DQBUF error 22, Invalid argument
No calibration found for pine64,pinephone-1.2,Front
No calibration found for pine64,pinephone,Front
No calibration found for allwinner,sun50i-a64,Front
No calibration found for ,Front
No calibration for Front
[Thread 0xffffb263ee00 (LWP 4901) exited]
Exposure limit: 288
[Thread 0xfffff0bbce00 (LWP 4895) exited]
[Thread 0xfffff13cce00 (LWP 4894) exited]
[Thread 0xfffff1bdce00 (LWP 4893) exited]
[Thread 0xfffff2dbee00 (LWP 4891) exited]
[Thread 0xfffff362ee00 (LWP 4890) exited]
[Thread 0xfffff3e3ee00 (LWP 4889) exited]
[Thread 0xfffff464ee00 (LWP 4888) exited]
[Thread 0xfffff74a84a0 (LWP 4884) exited]
[Thread 0xfffff4e5ee00 (LWP 4887) exited]
[New process 4884]
[Inferior 1 (process 4884) exited with code 01]

Megapixels 1.8.3 works with both cameras. Megapixels 2.0 works with old driver in 6.6.