[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2015-10-08 Thread Po-Hsu Lin
More update with the open source driver: Trusty 3.13.0-65 - brightness would change with hotkey and the applet, but it's not changing in the expected order. Trusty 3.16.0-50 - brightness control works with applet, but hotkey event is not detected (nothing from showkey command) Trusty 3.19.0-30 -

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2015-10-04 Thread Christopher M. Penalver
** Tags added: latest-bios-1.16 ** Package changed: linux-lts-raring (Ubuntu) => linux-lts-trusty (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable to contr

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2014-06-03 Thread Christopher M. Penalver
Po-Hsu Lin, as per http://download.lenovo.com/express/ddfm.html an update to your BIOS is available (1.16). If you update to this following https://help.ubuntu.com/community/BiosUpdate does it change anything? If it doesn't, could you please both specify what happened, and provide the output of

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2014-02-16 Thread Po-Hsu Lin
This issue still exist in 12.04.4 with nouveau/nvidia-331-update -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable to control the brightness from Max - Min To manage

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2014-01-29 Thread Anthony Wong
As this is BIOS issue, we can't really fix it. According to Lenovo website http://support.lenovo.com/en_US/research/hints-or- tips/detail.page?DocID=HT073558, the latest BIOS is 1.16, which is the same as what we are using now. ** Changed in: linux-lts-raring (Ubuntu) Assignee: Anthony Wong (

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2014-01-17 Thread Daniel Manrique
** Changed in: linux-lts-raring (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable to control the brightness from Max - Min

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-12-24 Thread Alex Hung
** Changed in: linux-lts-raring (Ubuntu) Assignee: Alex Hung (alexhung) => Anthony Wong (anthonywong) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable to contro

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-12-23 Thread Alex Hung
It seems the _BCM is broken (_BCM is called when writing to /sys/class/backlight/acpi_video0/brightness). We will need BIOS to fix it (if it is still possible). ** Changed in: linux-lts-raring (Ubuntu) Status: In Progress => Incomplete -- You received this bug notification because you ar

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-12-23 Thread Alex Hung
** Changed in: linux-lts-raring (Ubuntu) Status: Triaged => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable to control the brightness from Max -

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-28 Thread Anthony Wong
** Changed in: linux-lts-raring (Ubuntu) Assignee: Anthony Wong (anthonywong) => Alex Hung (alexhung) ** Changed in: linux-lts-raring (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
With the proprietary driver (nvidia-319-updates) installed, the problem still exist, and it behaves like without the proprietary driver. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title:

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
after adding "video.use_bios_initial_backlight=0" to grub It behaves like what I described in the bug description -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [Lenovo V480] Unable t

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
after adding "acpi_backlight=vendor" to grub the hotkey works fine, but the brightness level indicator won't pop-out and the Brightness applet become not working at all, brightness won't change when you try to adjust it. Debuggung information: $ ls /sys/class/backlight intel_backlight thinkpad_

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
** Attachment added: "DSDT.dsl" https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1255014/+attachment/3917420/+files/DSDT.dsl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Ti

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
** Attachment added: "acpi" https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1255014/+attachment/3917444/+files/acpi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Title: [

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
** Attachment added: "fwts.log" https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1255014/+attachment/3917389/+files/fwts.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1255014 Ti

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
** Attachment added: "201204-10924-dmidecode.log" https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1255014/+attachment/3917408/+files/201204-10924-dmidecode.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https:/

[Bug 1255014] Re: [Lenovo V480] Unable to control the brightness from Max - Min

2013-11-26 Thread Po-Hsu Lin
** Attachment added: "fwts_method.log" https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1255014/+attachment/3917390/+files/fwts_method.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bu