From: Steven Toth <stoth@hauppauge.com>
Date: Mon, 25 Sep 2006 15:41:53 +0000 (-0300)
Subject: V4L/DVB (4665): Add frontend structure callback for bus acquisition.
X-Git-Tag: v2.6.19-rc1~190
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba7e6f3e3e639de2597afffaae3fda75f6e6082d;p=pandora-kernel.git

V4L/DVB (4665): Add frontend structure callback for bus acquisition.

This patch enables generic bus arbitration callbacks enabling
dvbcore frontend_open and frontend_release to pass 'acquire'
and 'release' hardware messages back into the DVB bridge frameworks.
Frameworks like cx88 can then implement single bus multiple demod
card sharing features, which would prohibit two frontends from attempting
to use a single transport bus at the same time.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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