regulator: wm8994: Convert to set_voltage_sel()

There's no need to implement set_voltage() as there is only a very small
range of selectors for the regulators in the WM8994 and the voltages are
not expected to vary frequently at runtime.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-04-15 11:29:29 +01:00
commit 9f29c9e30b