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Date:      Sun, 27 Jan 2013 18:24:36 -0500
From:      Eitan Adler <lists@eitanadler.com>
To:        Kevin Oberman <kob6558@gmail.com>
Cc:        Glen Barber <gjb@freebsd.org>, freebsd-acpi@freebsd.org
Subject:   Re: what is required to support a new laptop?
Message-ID:  <CAF6rxgkgscofycoMjGfpcsz4FFB1U_hVVZf7DXpfBjSfGVH2kQ@mail.gmail.com>
In-Reply-To: <CAN6yY1swUtV08P55=zhkCQsDPxnm-jC12vMHg=yQAbUxH-aQzA@mail.gmail.com>
References:  <CAF6rxg=c=JN=N7NkWYdRHbgAqQTPGoFr=uLuXgiCfh%2BDdd-C4w@mail.gmail.com> <20130125140953.GA1328@glenbarber.us> <20130125141202.GB1328@glenbarber.us> <CAN6yY1vku1oJ4UpvGkh-nES3VNr2JTA39ssXhYaw3t%2BA3nMR_w@mail.gmail.com> <CAF6rxgm6-GtxR%2Bcb9uKiAs7ahA16MmtcQKkhOaL8Jxrzq2kXcw@mail.gmail.com> <CAN6yY1swUtV08P55=zhkCQsDPxnm-jC12vMHg=yQAbUxH-aQzA@mail.gmail.com>

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On 27 January 2013 12:59, Kevin Oberman <kob6558@gmail.com> wrote:
> On Fri, Jan 25, 2013 at 9:25 PM, Eitan Adler <lists@eitanadler.com> wrote:
>> On 25 January 2013 14:51, Kevin Oberman <kob6558@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@gravity ~ ]#acpi_call -p '\VBRC' -i 1
Unknown object type '0'
[2882 root@gravity ~ !5!]#acpi_call -p '\VBRC' -i 2
Unknown object type '0'
[2883 root@gravity ~ !5!]#acpi_call -p '\VBRC' -i 0
Unknown object type '0'
[2884 root@gravity ~ !5!]#acpi_call -p '\VBRC' -i 15
Unknown object type '0'


-- 
Eitan Adler



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