thinkpad_acpi make output

make -C /lib/modules/3.5.0-26-generic/build M=/home/andrey/tpacpi modules
make[1]: Entering directory `/usr/src/linux-headers-3.5.0-26-generic'
  CC [M]  /home/andrey/tpacpi/thinkpad_acpi.o
/home/andrey/tpacpi/thinkpad_acpi.c: In function 'hotkey_poll_stop_sync':
/home/andrey/tpacpi/thinkpad_acpi.c:2533:4: error: implicit declaration of function 'thaw_process' [-Werror=implicit-function-declaration]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_force_load':
/home/andrey/tpacpi/thinkpad_acpi.c:8832:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_fan_control':
/home/andrey/tpacpi/thinkpad_acpi.c:8837:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_volume_control':
/home/andrey/tpacpi/thinkpad_acpi.c:8866:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_enable':
/home/andrey/tpacpi/thinkpad_acpi.c:8876:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_wlsw_state':
/home/andrey/tpacpi/thinkpad_acpi.c:8899:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_bluetooth_state':
/home/andrey/tpacpi/thinkpad_acpi.c:8905:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_wwan_state':
/home/andrey/tpacpi/thinkpad_acpi.c:8911:1: warning: return from incompatible pointer type [enabled by default]
/home/andrey/tpacpi/thinkpad_acpi.c: In function '__check_uwb_state':
/home/andrey/tpacpi/thinkpad_acpi.c:8917:1: warning: return from incompatible pointer type [enabled by default]
cc1: some warnings being treated as errors
make[2]: *** [/home/andrey/tpacpi/thinkpad_acpi.o] Error 1
make[1]: *** [_module_/home/andrey/tpacpi] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-3.5.0-26-generic'
make: *** [all] Error 2