Hi, there, I have new info for the problem I have encountered. I've already updated bios to the latest, so the method in troubleshooting section of thinkwiki.org about tp_smapi is not working.
usr@debian-thinkpadw520:~$ dmesg |grep thinkpad [ 6.385411] thinkpad_acpi: ThinkPad ACPI Extras v0.24 [ 6.385413] thinkpad_acpi: http://ibm-acpi.sf.net/ [ 6.385415] thinkpad_acpi: ThinkPad BIOS 8BET44WW (1.24 ), EC unknown [ 6.385416] thinkpad_acpi: Lenovo ThinkPad W520, model 4270CTO [ 6.385917] thinkpad_acpi: detected a 8-level brightness capable ThinkPad [ 6.386056] thinkpad_acpi: radio switch found; radios are enabled [ 6.387943] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked [ 6.388639] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one. [ 6.388734] thinkpad_acpi: Console audio control enabled, mode: monitor (read only) [ 6.390127] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input6 [ 8.814881] thinkpad_ec: no ThinkPad embedded controller! [ 8.855928] thinkpad_ec: no ThinkPad embedded controller! [ 8.895546] thinkpad_ec: no ThinkPad embedded controller! [ 30.010613] thinkpad_ec: no ThinkPad embedded controller! Help is much appreciated! YC -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1306206478.3093.4.camel@debian-thinkpadw520