what is required to support a new laptop?

[Eitan Adler]

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'


-- 
Eitan Adler