From: Axel Lin <axel.lin@ingics.com>
Date: Tue, 30 Jul 2013 14:47:44 +0000 (+0800)
Subject: regulator: pfuze100: Simplify pfuze100_set_ramp_delay implementation
X-Git-Tag: v3.12-rc1~191^2~4^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e56566699ca64ec44dd134ec5310a3585ffacfec;p=pandora-kernel.git

regulator: pfuze100: Simplify pfuze100_set_ramp_delay implementation

Simplify the equation to calculate ramp_delay.
Below equations are equivalent:
  ramp_delay = 25000 / (2 * ramp_delay);
  ramp_delay = 50000 / (4 * ramp_delay);
  ramp_delay = 25000 / (2 * ramp_delay);
  ramp_delay = 12500 / ramp_delay;
So we don't need to read BIT6 of rdev->desc->vsel_reg for applying different
equations.

Also use rdev->desc->vsel_reg instead of run-time calculate register address.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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