e8ed670274
In order to make TI button interrupt working max98090 codec Need provide mic bias all the time as long as mic is present so SHDN and micbias pin are forced on.we also need set max98090 codec bias close or lower than TI bias.We set them in bios/coreboot kernel reads them from device property Signed-off-by: Fang, Yang A <yang.a.fang@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>