[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2015-01-14 Thread Launchpad Bug Tracker
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete = Expired -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-15 Thread Jingguo Yao
v3.18-rc3-vivid build fixes this bug. ** Tags added: kernel-fixed-upstream ** Changed in: linux (Ubuntu) Status: Incomplete = Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-15 Thread Christopher M. Penalver
Jingguo Yao, the next step is to fully reverse commit bisect from kernel 3.13 to 3.18-rc3 in order to identify the last bad commit, followed immediately by the first good one. Once this commit has been identified, then it may be reviewed as a candidate for backporting into your release. Could you

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-04 Thread Jingguo Yao
Since I can't correct my typo, I add my comment one more time. With the use of v3.18-rc3-vivid, the following problems still exist: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-04 Thread Jingguo Yao
With the use of , the following problems still exists: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from dimming, the brightness is set to maximum. 4. The following error

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-04 Thread Jingguo Yao
Please ignore my #4 and #5 comments. With the use of v3.18-rc3-vivid, for the following problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from screen dimming and

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-04 Thread Jingguo Yao
I don't know which tag I should add since not all of my problems are fixed by v3.18-rc3-vivid. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-04 Thread Christopher M. Penalver
Jingguo Yao, the scope of this report is only The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. We don't do catchalls or dogpiles here. If you want your other three issues addressed, file one report per problem. -- You received this bug notification

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-03 Thread Jingguo Yao
** Description changed: At the beginning, I have the following four problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. - 3. After recovering from dimming, the brightness is set

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-03 Thread Joseph Salisbury
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.18 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix

[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S

2014-11-03 Thread Christopher M. Penalver
** Tags added: bios-outdated-2.28 ** Description changed: At the beginning, I have the following four problems: - 1. After every boot, the brightness is set to maximum. - 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. - 3. After recovering