From: MyungJoo Ham <myungjoo.ham@samsung.com>
Date: Tue, 20 Jul 2010 06:07:07 +0000 (+0200)
Subject: regulator: MAX8998: set_voltage bugfix. ramp_up delay and min/max voltage
X-Git-Tag: v2.6.36-rc1~58^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5a4655db9e0b5e49a0b17e1bf96462e93e3c326;p=pandora-kernel.git

regulator: MAX8998: set_voltage bugfix. ramp_up delay and min/max voltage

Two issues are addressed for max8998_set_voltage function.

1. Min/Max Voltage.

	max8998_set_voltage had been using the voltage value of

	min ( voltage[i] >= max_vol , i )

	This is corrected to use:

	min ( voltage[i] >= min_vol , i )

2. Ramp Up Delay.

	max8998_set_voltage should provide delay for BUCK1/2
if ENRAMP is on. It reads RAMP value from ONOFF4 register to determine
RAMP delay length. However, when max8998_set_voltage's new voltage is
lower than the previous, we don't care because it does not deteriorate
the stability.

Changes since v1:
- rebased onto latest regulator-for-next tree

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---

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