The SAR ADC power saving mode could reduce power consumption on MICVDD rail.
Therefore, this patch saves power consumption during suspend state if the headset was connected.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20210727084846.9867-1-shumingf@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>