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Groups > linux.debian.user > #269923

Re: No image from analog cameras with TW6816 video capture card.

From Dan Ritter <dsr@randomstring.org>
Newsgroups linux.debian.user
Subject Re: No image from analog cameras with TW6816 video capture card.
Date 2024-06-04 14:10 +0200
Message-ID <ILB9f-xaa-3@gated-at.bofh.it> (permalink)
References <ILspj-rBL-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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A. F. Cano wrote: 
> 
> I hope this is the proper forum to post this.  The more relevant lists
> of years ago are no longer active:
> 
> https://www.linuxtv.org/lists.php
> 
> I'm trying to get these Lorex SR AIS color cameras, that are supposedly
> capable of 1024 x 768 max and 728 x 488 NTSC, to work with a bluecherry
> TW-220-8 board, identified by lshw as:
> 
> Intersil Techwell TW6816 multimedia video controller Rev 10.
> 
> The driver (tw68):
> 
> The first suspicious thing is that the board is apparently not detected by the
> kernel, or not identified as matching what the tw58 driver supports.  Before a
> manual
> 
> modprobe -v tw68

Does 
v4l2-ctl --list-devices
return anything useful?

If so, do you then get useful things from
v4l-info

The existence of /dev/video? devices implies that the kernel has
recognized the hardware to some extent.

-dsr-

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Thread

No image from analog cameras with TW6816 video capture card. "A. F. Cano" <afc54@comcast.net> - 2024-06-04 04:50 +0200
  Re: No image from analog cameras with TW6816 video capture card. Dan Ritter <dsr@randomstring.org> - 2024-06-04 14:10 +0200
  Re: No image from analog cameras with TW6816 video capture card. "A. F. Cano" <afc54@comcast.net> - 2025-02-11 01:00 +0100

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