linux-kernel - Re: [v4l-dvb-maintainer] DVB build fails without I2C

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Date:	Sun, 10 Sep 2006 10:17:06 -0300
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Manu Abraham <abraham.manu@...il.com>
Cc:	Jeff Garzik <jeff@...zik.org>, Andrew Morton <akpm@...l.org>,
	v4l-dvb-maintainer@...uxtv.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [v4l-dvb-maintainer] DVB build fails without I2C

Em Sáb, 2006-09-09 às 19:13 +0400, Manu Abraham escreveu:
> Jeff Garzik wrote:
> > Recommended solution:  Add I2C as a dependency (or select) in DVB Kconfig.
> DVB-CORE does not depend on I2C, since it does not rely on any I2C at
> all. (DVB-CORE can use other methods) It is the PCI bridges that depend
> on I2C.
Yes. There are even a few dvb drivers that doesn't depend on I2C.
>  IIRC, we had a patch adding I2C dependencies for the Kconfig for
> the relevant bridge chips. The frontends which are connected to the
> bridges, depend on DVB-Core and I2C. So that dependency exists.
> 
> frontends foo
> depends on DVB_CORE && I2C
> 
> pci bridges foo
> depends on DVB_CORE && I2C && PCI
> 
> Maybe that patch has not made it yet to mainline.
No, it didn't arrived mainstream. It arrived only -mm series. The patch
depends a previous patch that added DVB attach support. Somebody offered
to backport it to 2.6.18 at #v4l channel (I'm not sure but I think it
was adq).

Cheers, 
Mauro.

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