On Mon, Jan 11, 2016 at 09:03:01PM +0100, Pali Rohár wrote: > On Monday 11 January 2016 20:28:00 Henrique de Moraes Holschuh wrote > > The two features are not the same (and are handled differently by the > > firmware, for whatever reason), although they do serve the same > > purpose. I don't think a thinkpad will ever have both features at > > the same time, so I have no idea why they changed the firmware > > interface. ... > And more important, I was told that ThinkPad x230 comes in variant with > both ThinkLight (that LED upper the display) and keyboard backlight > (under they keyboard). I can confirm this, my x230 has both. FWIW, BIOS hotkey Fn+Space cycles through off, dim backlight, full backlight and full thinklight. /sys/class/leds/tpacpi::thinklight/brightness can be read (showing either 0 or 255) but writes are ignored. Dito for /proc/acpi/ibm/light. Johannes ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
