From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 10 Apr 2013 06:46:20 +0000 (+0800)
Subject: regulator: ab8500: Optimize ab8540_aux3_regulator_get_voltage_sel
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~131^2~25^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=241896ce8d112f10dae5538be41fad9eeb9e5e46;p=pandora-kernel.git

regulator: ab8500: Optimize ab8540_aux3_regulator_get_voltage_sel

We can save a register read operation in some case if read
expand_register first.
If info->expand_register.voltage_mask bit is set, no need to read
voltage_reg.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

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