ASoC: Factor out WM8580 register cache code
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 5 Jul 2009 16:57:57 +0000 (17:57 +0100)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 5 Jul 2009 16:57:57 +0000 (17:57 +0100)
Note the slightly tricky cache usage in the volume update function due
to the requirement for a separate write for the VU bit.

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

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