tree 2174e986c852b3c5229c70f053541d774311e3a4
parent b1b6cffeb71d363693d15444c79d828153a70865
author Axel Lin <axel.lin@gmail.com> 1317730023 +0800
committer Mark Brown <broonie@opensource.wolfsonmicro.com> 1317730195 +0100

ASoC: wm8994: Slightly optimize configure_clock

snd_soc_update_bits() will only write new register value
if the old value is different from the new value.
In additional, snd_soc_update_bits() returns 0 for no change.
No need to read WM8994_CLOCKING_1 register before calling snd_soc_update_bits().

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>