linux-kernel - Re: [PATCH 2/6] v4l/dvb: fix Kconfig dependencies on VIDEO_CAPTURE

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Date:	Tue, 15 May 2012 07:44:17 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	mathieu.poirier@...aro.org
CC:	mchehab@...radead.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org, arnd@...db.de
Subject: Re: [PATCH 2/6] v4l/dvb: fix Kconfig dependencies on VIDEO_CAPTURE_DRIVERS

Em 03-05-2012 19:22, mathieu.poirier@...aro.org escreveu:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Kconfig warns about unsatisfied dependencies of symbols that
> are directly selected.
> 
> Many capture drivers depend on DVB capture drivers, which
> are hidden behind the CONFIG_DVB_CAPTURE_DRIVERS setting.
> 
> The solution here is to enable DVB_CAPTURE_DRIVERS unconditionally
> when both DVB and VIDEO_CAPTURE_DRIVERS are enabled.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> ---
>  drivers/media/dvb/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig
> index f6e40b3..c617996 100644
> --- a/drivers/media/dvb/Kconfig
> +++ b/drivers/media/dvb/Kconfig
> @@ -29,7 +29,7 @@ config DVB_DYNAMIC_MINORS
>  	  If you are unsure about this, say N here.
>  
>  menuconfig DVB_CAPTURE_DRIVERS
> -	bool "DVB/ATSC adapters"
> +	bool "DVB/ATSC adapters" if !VIDEO_CAPTURE_DRIVERS
>  	depends on DVB_CORE
>  	default y
>  	---help---

No, this is not right. Users can select either DVB or V4L2 (or hybrid) 
devices independently.

If now a warning is happening, is because something changed Kconfig
behavior on some non-expected way.

Nack.

Regards,
Mauro
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