atom_voltage_object_header_v4
struct atom_voltage_object_header_v4 header; // voltage mode = VOLTAGE_OBJ_VR_I2C_INIT_SEQ
struct atom_voltage_object_header_v4 header; // voltage mode = VOLTAGE_OBJ_GPIO_LUT or VOLTAGE_OBJ_PHASE_LUT
struct atom_voltage_object_header_v4 header; // voltage mode = VOLTAGE_OBJ_SVID2
struct atom_voltage_object_header_v4 header; // voltage mode = VOLTAGE_OBJ_MERGED_POWER