Date: Wed, 31 Dec 2014 11:15:24 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-acpi@freebsd.org Subject: Re: Lenovo T520: Present (-STABLE) vs. Future (-CURRENT) ACPI Support Message-ID: <201412311115.24212.jhb@freebsd.org> In-Reply-To: <20141226165731.GA28169@workbox.Home> References: <20141226165731.GA28169@workbox.Home>
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On Friday, December 26, 2014 11:57:31 am Bigby James wrote: > Howdy-ha, folks, > > Please forgive my ignorance if my question is rather mundane and/or inane. I'm > pretty new to FreeBSD and its development cycle. Here's my situation: I've > recently migrated my laptop (Levovo Thinkpad T520) to FreeBSD using the > 10.1-STABLE snapshot, and most everything works pretty well. The only > exceptions are some of the hardware keys, including the LCD brightness control > keys, which is something I'd really like to have. > > Before going ahead with that install, though, on a lark I decided to try out the > 11-CURRENT snapshot to see how it worked out. As it turns out, everything > presently missing from 10-STABLE worked out of the box on -CURRENT. So I know > that full support for my machine is in the source tree now and, barring any > fundamental changes in the development branch, will be in the next -RELEASE. I > don't really have the time, know-how or guts to maintain a -CURRENT install on > this machine, so for the time being I'm sticking with 10-STABLE. So I'm > wondering just how often ACPI functionality gets moved from the -CURRENT branch > into the most recent release's -STABLE branch. In other words, what are the > chances that the features I'm waiting for will get moved into the 10-STABLE > branch in the near future? Are the ACPI devs pretty conservative with this? For > the time being I can control screen brightness using xrandr, and as fond as I am > with the convenience it is just a convenince all the same, so I can always > remain patient. But I'm wondering if there's a way to know if and when ACPI > functionality will get backported to -STABLE. I currently follow this list and > the SVN mailing list for 10-STABLE, so I can also just keep an eye on them if > that's the answer. Thanks in advance. In the case of brightness hotkeys, please try MFC'ing 270516 to your stable/10 tree. If that fixes it (it fixed brightness for my X220) then you know the specific change to ask someone (in this case Adrian) to MFC. -- John Baldwin
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