From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sat, 20 Aug 2011 18:00:50 +0000 (+0100)
Subject: ASoC: Automatically manage WM8996 MICBIAS regulating mode
X-Git-Tag: v3.2-rc1~127^2~2^2~1^2~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=889c85c550ebdf8af69f5c08387fde3f6f48d10f;p=pandora-kernel.git

ASoC: Automatically manage WM8996 MICBIAS regulating mode

For non-audio uses like accessory detection we can use a lower quality,
unregulated microphone bias, saving a little power. As the hardware can
manually enable and disable the biases we can select regulating mode
automatically with supply widgets connected to the biases.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
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