From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 22 Jul 2007 11:49:32 +0000 (-0300)
Subject: V4L/DVB (5917): ivtv: improve mailbox responsiveness.
X-Git-Tag: v2.6.23-rc2~153^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b3e29e6d75cbfb8417f449555d40921fd656186;p=pandora-kernel.git

V4L/DVB (5917): ivtv: improve mailbox responsiveness.

First try polling for the result of a mailbox command, then
switch to a test/sleep loop. Also reduce the sleep time from 10 ms
to 1 ms. Improves the responsiveness of the mailbox handling.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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