ASoC: rt5640: Staticize hp_amp_power_on

'hp_amp_power_on' is used only in this file. Make it static.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sachin Kamat 2013-09-13 15:22:18 +05:30 • committed by Mark Brown
commit 89d051300b