Hi, I've just upgraded from a T400 to a T430 and the backlight keys are not working. dmesg says: [ 2.362740] thinkpad_ec: thinkpad_ec_request_row: arg0 rejected: (0x01:0x00)->0x00 [ 2.362825] thinkpad_ec: thinkpad_ec_read_row: failed requesting row: (0x01:0x00)->0xfffffffb [ 2.362907] thinkpad_ec: initial ec test failed <... snip ...> [ 2.421296] thinkpad_acpi: ThinkPad ACPI Extras v0.25 [ 2.421299] thinkpad_acpi: http://ibm-acpi.sf.net/ [ 2.421300] thinkpad_acpi: ThinkPad BIOS G1ETA6WW (2.66 ), EC unknown [ 2.421301] thinkpad_acpi: Lenovo ThinkPad T430, model 2349V9Q [ 2.421629] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx [ 2.421717] thinkpad_acpi: radio switch found; radios are enabled [ 2.421785] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver [ 2.421786] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... [ 2.422895] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked [ 2.423422] thinkpad_acpi: Console audio control enabled, mode: monitor (read only) I'm using Debian testing with the 3.16 kernel. Is there a fix for this? Regards, Pedro ------------------------------------------------------------------------------ _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel