ams_pmu_get_register
u8 val = ams_pmu_get_register(AMS_CONTROL);
return ams_pmu_get_register(AMS_VENDOR);
*x = ams_pmu_get_register(AMS_X);
*y = ams_pmu_get_register(AMS_Y);
*z = ams_pmu_get_register(AMS_Z);
u8 val = ams_pmu_get_register(AMS_FF_ENABLE);
u8 val = ams_pmu_get_register(AMS_SHOCK_ENABLE);