From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Fri, 26 Mar 2010 00:13:43 +0000 (-0300)
Subject: V4L/DVB: ir-core: prepare to add more operations for ir decoders
X-Git-Tag: v2.6.35-rc1~480^2~266
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93c312ff21b0a53e701a45741887208297646a1a;p=pandora-kernel.git

V4L/DVB: ir-core: prepare to add more operations for ir decoders

Some decoders and a lirc_dev interface may need some other operations to work.
For example: IR device register/unregister and ir_keydown events may need to
be tracked.

As some operations can occur in interrupt time, and a lock is needed to prevent
un-registering a decode while decoding a key, the lock needed to be convert
into a spin lock.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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