regmap: cache: Use regcache_get_value() to check if we updated
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 21 Feb 2013 18:07:01 +0000 (18:07 +0000)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 4 Mar 2013 02:30:27 +0000 (10:30 +0800)
Factor things out a little.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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