Subject: Re: 2.6.27 gspca driver fails with Trust WB-1400T
From: Simon Holm =?ISO-8859-1?Q?Th=F8gersen?= <odie@cs.aau.dk>
To: patrizio.bassi@gmail.com
Cc: "Kernel," <linux-kernel@vger.kernel.org>
In-Reply-To: <48F3AD5A.2080504@gmail.com>
References: <48F3AD5A.2080504@gmail.com>
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Date: Mon, 13 Oct 2008 23:21:07 +0200
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man, 13 10 2008 kl. 22:19 +0200, skrev Patrizio Bassi:
> Hi
> 
> i have a Trust 1400T perfectly working on 2.6.26 using external module
> (media-video/gspcav1-20071224 is the gentoo version so it's that day
> snapshot.)
> 
> Upgrading to 2.6.27 kernel, using integrated kernel driver
> 
Does the following text explain it (imagine the text being at the front
page of [2])?

"Historically, there has been a number of different projects ([1], ...),
providing v4l drivers outside of the mainline Linux kernel. If you are
migrating from drivers by such projects, you might need to know a few
things. The drivers provided by this project do not do various color
conversion routines in the kernel, but in a userspace library that we
also provide [3].

This means that programs that use v4l and v4l2 must either be
 - able to do the necessary color conversion themselves,
 - link against our userspace library that provides these
   conversions, or
 - be loaded using an appropriately set LD_PRELOAD environment
   variable."

[1] http://mxhaard.free.fr/
[2] http://linuxtv.org/v4lwiki/index.php/Main_Page
[3] http://linuxtv.org/hg/~hgoede/v4l-dvb


Simon Holm Thøgersen

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