BAT_DTLS
err = regmap_field_read(chg->rfield[BAT_DTLS], ®val);
[BAT_DTLS] = REG_FIELD(MAX77976_REG_CHG_DETAILS_01, 4, 6),
[BAT_DTLS] = REG_FIELD(MAX8971_REG_DETAILS2, 4, 5),