From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 19 Oct 2011 03:00:42 +0000 (+0800)
Subject: ASoC: sgtl5000: Fix setting mic bias resistor
X-Git-Tag: v3.2-rc1~127^2~1^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc56c5a862d1491dcdc561241371949cca6362e1;p=pandora-kernel.git

ASoC: sgtl5000: Fix setting mic bias resistor

According to the datasheet:
CHIP_MIC_CTRL 0x002A

BITS[9:8] BIAS_RESISTOR
        0x0 = Powerd off
        0x1 = 2.0 kohm
        0x2 = 4.0 kohm
        0x3 = 8.0 kohm

To set mic bias resistor, we need to update bits[9:8] of
SGTL5000_CHIP_MIC_CTRL register.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

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