From: Devin Heitmueller <dheitmueller@kernellabs.com>
Date: Thu, 29 Oct 2009 02:10:16 +0000 (-0300)
Subject: V4L/DVB (13331): mxl5005s: provide ability to override QAM gain for HVR-1600
X-Git-Tag: v2.6.33-rc1~338^2~149
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48c511ed675772bd08044d97756f7f7aae5168eb;p=pandora-kernel.git

V4L/DVB (13331): mxl5005s: provide ability to override QAM gain for HVR-1600

The HVR-1600 doesn't use the standard mechanism for computing the gain when
in QAM mode, instead always forcing it to be 0x02.  Provide the ability to
override the algorithm on a per-board basis.

This change results in an improvement of 0.4-0.6 dB for QAM tuning.

This work was sponsored by ONELAN Limited.

Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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