what is required to support a new laptop?

Eitan Adler lists at eitanadler.com
Mon Jan 28 02:29:41 UTC 2013


On 27 January 2013 21:23, Kevin Oberman <kob6558 at gmail.com> wrote:
> On Sun, Jan 27, 2013 at 4:20 PM, Erich Dollansky
> <erichsfreebsdlist at alogt.com> wrote:
>> Hi,
>>
>> On Sun, 27 Jan 2013 18:24:36 -0500
>> Eitan Adler <lists at eitanadler.com> wrote:
>>
>>> On 27 January 2013 12:59, Kevin Oberman <kob6558 at gmail.com> wrote:
>>> > On Fri, Jan 25, 2013 at 9:25 PM, Eitan Adler <lists at eitanadler.com>
>>> > wrote:
>>> >> On 25 January 2013 14:51, Kevin Oberman <kob6558 at gmail.com> wrote:
>>> >>> There are several threads in the archives of acpi@ and mobile@
>>> >>> discussing this. Most things are pretty easy. Use xev to find the
>>> >>> events generated by the volume buttons.
>>> >>
>>> >> I'm handling the volume keys with xbindkeys.
>>> >>
>>> >>>  Mute and the ThinkLight (if
>>> >>> your system has one) should work as is.
>>> >>
>>> >> Mute does not function - I am using xbindkeys to handle it.  The
>>> >> "video" key generates no event.
>>> >>
>>> >>> Brightness is a bit bigger issue as Lenovo has completely
>>> >>> revamped it These buttons don't generate events. :-(
>>> >>
>>> >> Where *should* they be handled?   How do they work on windows?
>>> >>
>>> >> FWIW they seem to change hw.acpi.video.brightness, but change
>>> >> nothing visible on the screen.
>>> >>
>>> >>> You can install the acpi_call
>>> >>> port and use it to set the brightness, but it is a pain as it
>>> >>> does not allow for setting incremental changes, only absolute
>>> >>> values.(16 of them).
>>> >>
>>> >> Any pointers for what to look at? I have no idea what I'm doing
>>> >> w.r.t. computers ^W ACPI.
>>> >
>>> > Install sysutils/acpi_call
>>> > kldload acpi_call
>>> > acpi_call -p '\VBRC' -i [0-15]
>>> >
>>> > There seem to be some differences on the range, but in my T530 0=off
>>> > and 15=full.
>>> >
>>> > Unfortunately, the brightness functions do not generate X events
>>> > and I have not seen any posts on how to tie them to anything to
>>> > adjust brightness.
>>>
>>>
>>> [2881 root at gravity ~ ]#acpi_call -p '\VBRC' -i 1
>>> Unknown object type '0'
>>> [2882 root at gravity ~ !5!]#acpi_call -p '\VBRC' -i 2
>>> Unknown object type '0'
>>> [2883 root at gravity ~ !5!]#acpi_call -p '\VBRC' -i 0
>>> Unknown object type '0'
>>> [2884 root at gravity ~ !5!]#acpi_call -p '\VBRC' -i 15
>>> Unknown object type '0'
>>>
>>>
>>
>> I can confirm that this works on an X220:
>>
>> acpi_call -p '\VBRC' -i $value
>>
>> It also works lower case for me.
>>
>> Erich
>
> Probably won't help, but can you confirm that acpi_call is loaded (kldstat)?

Yes.  I get different errors if it isn't.


-- 
Eitan Adler


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