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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: "Hans Verkuil" <hverkuil@xs4all.nl>
Subject: Re: [PATCH/RFC 1/4] V4L: add three new ioctl()s for multi-size videobuffer management
Date: Tue, 5 Apr 2011 14:02:17 +0200
Cc: "Guennadi Liakhovetski" <g.liakhovetski@gmx.de>,
	"Linux Media Mailing List" <linux-media@vger.kernel.org>,
	"Mauro Carvalho Chehab" <mchehab@infradead.org>
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On Monday 04 April 2011 10:06:47 Hans Verkuil wrote:
> > On Mon, 4 Apr 2011, Hans Verkuil wrote:
> >> On Friday, April 01, 2011 10:13:02 Guennadi Liakhovetski wrote:

[snip]

> BTW, REQBUFS and CREATE/DESTROY_BUFS should definitely co-exist. REQBUFS
> is compulsory, while CREATE/DESTROY are optional.

Drivers must support REQBUFS and should support CREATE/DESTROY, but I think 
applications should not be allowed to mix calls.

-- 
Regards,

Laurent Pinchart