linux-kernel - Weird green patterns on video

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Message-ID: <CAKTMqxsXiqEJT-LpgxjEbFqgH6WJ8szOnUh35_4MR+mHWER1Zg@mail.gmail.com>
Date:   Sun, 4 Jun 2017 13:05:41 -0400
From:   Alexandre-Xavier L-L <axdoomer@...il.com>
To:     linux-kernel@...r.kernel.org
Subject: Weird green patterns on video

Hello,

Someone sent me a picture of a device that he tried to add support for
in V4L2. The device causes a kind of diagonal pattern made of green
lines on his image. I wonder what could be causing this. Has anyone
seen this before?

The device is a the first ever model of Ion Video 2 PC that uses a TM6010 chip.

What he got: https://sebbro.nl/ION_Video2PC-TM6010_BOARD_GENERIC.png

Expected result (captured from another device):
https://sebbro.nl/VCR-reference.png

The support for the device was added by adding
{ USB_DEVICE(0x15e4, 0x0140), .driver_info = TM6010_BOARD_GENERIC },
to tm6000-cards.c.

Thanks in advance for any clues.
Alexandre-Xavier