New ThinkPads use a different ACPI HID.
Index: sys/dev/acpi/acpireg.h =================================================================== RCS file: /cvs/src/sys/dev/acpi/acpireg.h,v retrieving revision 1.36 diff -u -p -u -p -r1.36 acpireg.h --- sys/dev/acpi/acpireg.h 10 Jul 2016 20:36:41 -0000 1.36 +++ sys/dev/acpi/acpireg.h 25 Feb 2017 19:07:28 -0000 @@ -766,6 +766,7 @@ struct acpi_ivrs { #define ACPI_DEV_ASUS1 "ATK0100" /* ASUS Special Device */ #define ACPI_DEV_IBM "IBM0068" /* IBM ThinkPad support */ #define ACPI_DEV_LENOVO "LEN0068" /* Lenovo ThinkPad support */ +#define ACPI_DEV_LENOVO2 "LEN0268" /* Lenovo ThinkPad support */ #define ACPI_DEV_ASUSAIBOOSTER "ATK0110" /* ASUSTeK AI Booster */ #define ACPI_DEV_TOSHIBA_LIBRETTO "TOS6200" /* Toshiba Libretto support */ #define ACPI_DEV_TOSHIBA_DYNABOOK "TOS6207" /* Toshiba Dynabook support */ Index: sys/dev/acpi/acpithinkpad.c =================================================================== RCS file: /cvs/src/sys/dev/acpi/acpithinkpad.c,v retrieving revision 1.54 diff -u -p -u -p -r1.54 acpithinkpad.c --- sys/dev/acpi/acpithinkpad.c 7 Feb 2017 05:18:07 -0000 1.54 +++ sys/dev/acpi/acpithinkpad.c 25 Feb 2017 19:07:28 -0000 @@ -181,7 +181,10 @@ struct cfdriver acpithinkpad_cd = { }; const char *acpithinkpad_hids[] = { - ACPI_DEV_IBM, ACPI_DEV_LENOVO, 0 + ACPI_DEV_IBM, + ACPI_DEV_LENOVO, + ACPI_DEV_LENOVO2, + 0 }; int