On Wed, 28 Jan 2015, Reverend Homer wrote: > I am using Debian Jessie on my Lenovo e145 laptop with fglrx and > unfortunately I cannot change brightness. I've found this in my journalctl: If fglrx cannot do it, there's not much we can do to help you in this ML. The E145 does brightness control through the GPU, so it is up to the x-server and the GPU driver (fglrx in your case). Sometimes, the Lenovo BIOS can interact with the GPU through standard ACPI (this is a function of another kernel driver, thinkpad-acpi is not in the loop for standard ACPI brightness control), but not always. There is no data for the E145 in thinkwiki. If it happens to be a dual-GPU model (i.e. ATI GPU + embedded intel chipset graphics), it is possible that brightness control must be done through the embedded GPU, and not the ATI GPU. I suggest you ask around in the linux-thinkpad ML, someone there might have an E145 and know what to do to control brightness in that model. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=190641631&iu=/4140/ostg.clktrk _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
