/* special case for PMI8937 */
	if (pmic_subtype == PMI8950_PERIPHERAL_SUBTYPE) {
		/* read spare register */
		spare0 = qpnp_read_byte(regmap, base + REVID_SPARE_0);
		if (spare0)
			pmic_subtype = PMI8937_PERIPHERAL_SUBTYPE;
	}