Message-ID: <1109930313.42283149b4ae6@posta.studio.unibo.it>
Date: Fri,  4 Mar 2005 10:58:33 +0100
From: Luca Risolia <luca.risolia@studio.unibo.it>
To: Adrian Bunk <bunk@stusta.de>
Cc: linux-usb-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: status of the USB w9968cf.c driver in kernel 2.6?
References: <20050228231430.GW4021@stusta.de> <1109699163.4224aa5b1e4dc@posta.studio.unibo.it> <20050303152908.GC4608@stusta.de>
In-Reply-To: <20050303152908.GC4608@stusta.de>
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Scrive Adrian Bunk <bunk@stusta.de>:

> On Tue, Mar 01, 2005 at 06:46:03PM +0100, Luca Risolia wrote:
> > Scrive Adrian Bunk <bunk@stusta.de>: 
> >  
> > > I noticed the following regarding the drivers/usb/media/ov511.c driver: 
> >                                                           ^^^^^^^ 
> > > - it's not updated compared to upstream: 
> >  
> > Could you provide more details? 
> 
> Sorry, my fault.
> I confused this with a different driver.
> 
> > > - there's no w9968cf-vpp module in the kernel sources 
> >  
> > w9968cf-vpp is an optional, gpl'ed module, which can not be included in the
> 
> > mainline kernel, as I explained in the documentation of the driver. 
> 
>   Please keep in mind that official kernels do not include the second 
>   module for performance purposes.
> 
> What exactly does this mean?

Frame decoding/decompression should be done in userspace, although you can 
still download and use a separate kernel module.

> 
> Is it useful or not?

Yes

Regards,
Luca


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