From: Trent Piepho <xyzzy@speakeasy.org>
Date: Fri, 1 May 2009 00:03:34 +0000 (-0300)
Subject: V4L/DVB (11661): v4l2-ioctl: Check buffer types using g_fmt instead of try_fmt
X-Git-Tag: linux-omap-v2.6.30-rc6~47^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1175d6131f7a89c163227169325ca77a22b18cb2;p=pandora-kernel.git

V4L/DVB (11661): v4l2-ioctl: Check buffer types using g_fmt instead of try_fmt

For a number of different ioctls, the v4l2-ioctl code checks that the
passed buffer type is supported by the driver.  It did this by checking
that the driver defined a method for the try_fmt handler for that buffer
type.  However, try_fmt is optional and a driver might not provide it even
though it does support that type.  So use g_fmt instead, since that isn't
optional.

This should fix a problem with VBI capture with saa7146.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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