Re: [ibm-acpi-devel] Unsupported brightness interface, please contact
On Fri, Apr 17, 2015, at 14:16, Andrew Lundgren wrote: I have a Lenovo W540. dmesg shows the following output: [ 6.653717] thinkpad_acpi: ThinkPad ACPI Extras v0.25 [ 6.653718] thinkpad_acpi: http://ibm-acpi.sf.net/ [ 6.653719] thinkpad_acpi: ThinkPad BIOS GNET66WW (2.14 ), EC unknown [ 6.653720] thinkpad_acpi: Lenovo ThinkPad W540, model 20BHS02400 [ 6.654241] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net [ 6.654302] thinkpad_acpi: radio switch found; radios are enabled [ 6.654401] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver [ 6.654402] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... [ 6.657625] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked [ 6.660294] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input10 What additional information can I provide? This is a known issue, if we need further information, we will contact everyone that reported the issue asking for whatever details we need. Thanks for the report! -- 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 -- One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Fri, Mar 27, 2015 at 08:36:51AM -0300, Henrique de Moraes Holschuh wrote: On Fri, Mar 27, 2015, at 04:11, Yves-Alexis Perez wrote: On dim., 2015-03-22 at 16:12 -0300, Henrique de Moraes Holschuh wrote: On Sat, Mar 7, 2015, at 17:12, Jarmila Holcova wrote: Mar 7 20:34:47 OH-ThinkPad-Edge-E440 kernel: [ 10.725697] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net Thanks for the report. You can ignore this error message. Would it be worth dropping the message for those boxes? Yes. They are currently not really useful. I think it would make sense to rework tpacpi_detect_brightness_capabilities() to just pr_debug() something like firmware reports %d brightness levels after it has processed the result of tpacpi_check_std_acpi_brightness_support(). We should leave any complaining about supported/unsupported to brightness_init(), so it would make sense to add a dbg_printk to brightness_init that reports unsupported brightness mode, use acpi video or gpu drivers when tp_features.bright_unkfw is not zero. Care to send a patch? I'll try to. For what it's worth, tpacpi_check_std_acpi_brightness_support() returns 646 here (ThinkPad X250 20CMCTO1WW with BIOS N10ET29W (1.06). Regards, - -- Yves-Alexis -BEGIN PGP SIGNATURE- Version: GnuPG v2 iQEcBAEBCgAGBQJVGQ3oAAoJEG3bU/KmdcCl8kgH/3S4+nzJ3L/MTVxQ/M1Xoxy6 4MAY+J3ym3STMt+rZBqRojkCPvAjWEQZGuaZRrQeHyrwi3Ff01y0IzvInrzaHOBU qSULSZqE8jY7crXx8/rFB4dDjNHr1IfMxnnKladLXdYQ8o8vP+KXGEssfaNrGCi6 s7LchCNe2vxbjM30FPAKW7QzzsNbOK/hvhiuk/cZ8t8xYlzUhNeRJ9ttvstS4QuW cp6L5kuwf9VHYfNXs3dpN4eAf8jYFTod6jD6/ma0ARHxT0N1GUTbwY25rfCEYmb9 zmTwScFb4SDiVt6ki3guTUk4tCpYNA+0DK99mpAsaAKO9i6hL2b+fF15B/QaBKM= =5qfr -END PGP SIGNATURE- -- Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface
On Mon, Mar 30, 2015 at 10:48:43AM +0200, Yves-Alexis Perez wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On Fri, Mar 27, 2015 at 08:36:51AM -0300, Henrique de Moraes Holschuh wrote: On Fri, Mar 27, 2015, at 04:11, Yves-Alexis Perez wrote: On dim., 2015-03-22 at 16:12 -0300, Henrique de Moraes Holschuh wrote: On Sat, Mar 7, 2015, at 17:12, Jarmila Holcova wrote: Mar 7 20:34:47 OH-ThinkPad-Edge-E440 kernel: [ 10.725697] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net Thanks for the report. You can ignore this error message. Would it be worth dropping the message for those boxes? Yes. They are currently not really useful. I think it would make sense to rework tpacpi_detect_brightness_capabilities() to just pr_debug() something like firmware reports %d brightness levels after it has processed the result of tpacpi_check_std_acpi_brightness_support(). We should leave any complaining about supported/unsupported to brightness_init(), so it would make sense to add a dbg_printk to brightness_init that reports unsupported brightness mode, use acpi video or gpu drivers when tp_features.bright_unkfw is not zero. Care to send a patch? I'll try to. For what it's worth, tpacpi_check_std_acpi_brightness_support() returns 646 here (ThinkPad X250 20CMCTO1WW with BIOS N10ET29W (1.06). I take that back, it returns 101, which makes more sense (I guess it /does/ have 100 levels, not sure how it can be exploited from userspace though). Regards, -- Yves-Alexis signature.asc Description: Digital signature -- Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface
On Mon, Mar 30, 2015, at 06:39, Yves-Alexis Perez wrote: I take that back, it returns 101, which makes more sense (I guess it /does/ have 100 levels, not sure how it can be exploited from userspace though). Any time it returns something close to 100, it means the ACPI firmware wants a brightness level meaning 0% to 100%, which has to be mapped (preferably through a proper curve) to a hardware level. Well that's DRI and ACPI video's problem, thinkpad-acpi shouldn't be touching that. We just need to be a lot more silent about it :-) -- 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 -- Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface
On dim., 2015-03-22 at 16:12 -0300, Henrique de Moraes Holschuh wrote: On Sat, Mar 7, 2015, at 17:12, Jarmila Holcova wrote: Mar 7 20:34:47 OH-ThinkPad-Edge-E440 kernel: [ 10.725697] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net Thanks for the report. You can ignore this error message. Would it be worth dropping the message for those boxes? Regards, -- Yves-Alexis -- Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface
On Mon, 03 Nov 2014, Fabian Greffrath wrote: thinkpad_acpi: Lenovo ThinkPad T430, model 2349D13 Indeed, I think this manifests in my screen backlight remaining dark when I resume my laptop by opening the lid. That's a separate problem, very unlikely to be related to thinkpad-acpi. Make sure you're using the latest UEFI/BIOS (I didn't check). Linux kff50 3.16-2-amd64 #1 SMP Debian 3.16.3-2 (2014-09-20) x86_64 GNU/Linux And you may also have to keep an eye on whatever was fixed re. the Intel GPU in 3.17 and whether it was properly backported to Debian's 3.16. -- 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=157005751iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface, Lenovo laptop.
On Wed, 05 Nov 2014, Mario Rugiero wrote: Also, maybe this is the wrong place to ask, but as you seem to work with IBM/Lenovo and I've got no better pointer, who should I report any dmesg I never got anything from IBM or Lenovo, except a thank you from some cool people that work there. Currently, the people in Canonical are the ones with best access to Lenovo engineers AFAIK. screams about firmware bugs on the same computer? Those can only be fixed by a BIOS/UEFI update. If you're already using the newest BIOS/UEFI, all you can do is open a support request directly with Lenovo. Note: BIOS/UEFI-related bug reports are effective when the model is still relatively new, and they're still updating the BIOS/UEFI regularly. After it moves into slow maintenance mode, the chances of an official fix are very small. -- 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=157005751iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface, Lenovo laptop.
OK, I'll try that. Is there any way I can help you with the unsupported brightness interface issue? -- 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=157005751iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface, Lenovo laptop.
I am at the latest UEFI, sorry for not making that clear. What I meant I'll try is filling a bug report to Lenovo, but I updated to 2.55 (latest version on their website) for a different matter. -- 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=157005751iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface on X1 Carbon (1st gen)
On Mon, 14 Apr 2014, Tyler Brock wrote: Is this true of the first generation X1C? I realize the 2nd gen just came out and don't expect that to be fully supported yet but the original has been around for years now. Sort of. The 2nd gen has more rough corners, but lots of stuff in the x1c 1st gen need specific support as well. I've done some poking around and compiled a module with some debugging. I found that my 1st gen X1C is reporting that it has a 100 level brightness interface (which is why we are getting this message). ACPI video is utterly useless for Win8 boxes, that includes the X1C 1st gen. Maybe you can give me some guidance so I can work on and submit a patch to handle supporting this? It is somewhat odd considering the brightness controls seem to work for me regardless of the interface being unsupported but I'd like to give it a shot. It is mostly cosmetic, really. thinkpad-acpi cannot do much as far as brightness goes on thinkpads where the gpu itself controls the backlight. -- 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 -- Learn Graph Databases - Download FREE O'Reilly Book Graph Databases is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface on X1 Carbon (1st gen)
On Wed, 09 Apr 2014, Tyler Brock wrote: Any thoughts guys? This laptop has been out for a while so I'm not sure why it would be unsupported. I'd be happy to help code something up if we need to fix something and you point me in the right direction. It is unsupported because I don't have one, and the people who have some docs and a X1C to test are starting to provide patches. I've ACK'd a few of them very recently. It will take a while yet for all of them to land on a released kernel (3.15 at the very least), unless some of them are backported (there are several, including patches to enable the sensors hub for the Helix which likely is also required on the X1C, etc). I *think* there's even a BIOS update that Lenovo should issue in the next few weeks to solve some nastiness on suspend/resume... but I don't recall right now if it is for the X1C or the Helix. You can hunt down the patches on the list archives for ibm-acpi-devel, and also the platform-driver-x86 ML (at vger.kernel.org) and LKML (the sensor hub one). -- 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 -- Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] Unsupported brightness interface on X1 Carbon (1st gen)
I'm running the latest BIOS (2.63) if that makes any difference. -Tyler On Sat, Apr 5, 2014 at 9:40 PM, Tyler Brock tyler.br...@gmail.com wrote: I see this error in red during boot so I thought I'd contact you: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net This is the full output from thinkpad_acpi from journalctl: Apr 01 19:01:36 laphog kernel: thinkpad_acpi: ThinkPad ACPI Extras v0.25 Apr 01 19:01:36 laphog kernel: thinkpad_acpi: http://ibm-acpi.sf.net/ Apr 01 19:01:36 laphog kernel: thinkpad_acpi: ThinkPad BIOS G6ETA1WW (2.61 ), EC unknown Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Lenovo ThinkPad X1 Carbon, model 344822U Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@lists.sourceforge.net Apr 01 19:01:36 laphog kernel: thinkpad_acpi: radio switch found; radios are enabled Apr 01 19:01:36 laphog kernel: thinkpad_acpi: possible tablet mode switch found; ThinkPad in laptop mode Apr 01 19:01:36 laphog kernel: thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver Apr 01 19:01:36 laphog kernel: thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... -Tyler -- ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] unsupported brightness interface on X230 since linux-3.13.4
On Sun, Feb 23, 2014 at 01:52:14PM +0100, haiko wrote: Hello developers! I recently updated my Arch installation from linux-3.12.9 to linux-3.13.4. Unfortunately my X230's brightness fn-keys don't work anymore. Did you try switching back to 3.12.9 and does it work then? Function keys might stop working from time to time, and you need to remove the battery and charger for some time in order to reset something. -- Julian Andres Klode - Debian Developer, Ubuntu Member See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/. Please do not top-post if possible. -- Subversion Kills Productivity. Get off Subversion Make the Move to Perforce. With Perforce, you get hassle-free workflows. Merge that actually works. Faster operations. Version large binaries. Built-in WAN optimization and the freedom to use Git, Perforce or both. Make the move to Perforce. http://pubads.g.doubleclick.net/gampad/clk?id=122218951iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
Re: [ibm-acpi-devel] unsupported brightness interface on X230 since linux-3.13.4
Yes, I did. With 3.12.9 it works with this boot options: acpi_osi=Linux acpi_backlight=vendor On Sun, Feb 23, 2014 at 2:11 PM, Julian Andres Klode julian.kl...@gmail.com wrote: On Sun, Feb 23, 2014 at 01:52:14PM +0100, haiko wrote: Hello developers! I recently updated my Arch installation from linux-3.12.9 to linux-3.13.4. Unfortunately my X230's brightness fn-keys don't work anymore. Did you try switching back to 3.12.9 and does it work then? Function keys might stop working from time to time, and you need to remove the battery and charger for some time in order to reset something. -- Julian Andres Klode - Debian Developer, Ubuntu Member See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/. Please do not top-post if possible. -- Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471iu=/4140/ostg.clktrk ___ ibm-acpi-devel mailing list ibm-acpi-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
