From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Date: Mon, 24 Nov 2008 11:49:38 +0000 (+0200)
Subject: ASoC: TWL4030: Add helper function for output gain controls
X-Git-Tag: v2.6.29-rc1~590^2~11^2~86
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0bd53a7399f65e2d1b37cd44c5003e55b886c1e;p=pandora-kernel.git

ASoC: TWL4030: Add helper function for output gain controls

Some of the gain controls in TWL (mostly those which are associated with
the outputs) are implemented in an interesting way:
 0x0 : Power down (mute)
 0x1 : 6dB
 0x2 : 0 dB
 0x3 : -6 dB
Inverting not going to help with these.
Custom volsw and volsw_2r get/put functions to handle these gains.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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