Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 28 Jan 2013 07:20:23 +0700
From:      Erich Dollansky <erichsfreebsdlist@alogt.com>
To:        Eitan Adler <lists@eitanadler.com>
Cc:        Glen Barber <gjb@freebsd.org>, freebsd-acpi@freebsd.org
Subject:   Re: what is required to support a new laptop?
Message-ID:  <20130128072023.63939e6f@X220.ovitrap.com>
In-Reply-To: <CAF6rxgkgscofycoMjGfpcsz4FFB1U_hVVZf7DXpfBjSfGVH2kQ@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> <CAF6rxgkgscofycoMjGfpcsz4FFB1U_hVVZf7DXpfBjSfGVH2kQ@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Hi,

On Sun, 27 Jan 2013 18:24:36 -0500
Eitan Adler <lists@eitanadler.com> wrote:

> 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'
> 
> 

I can confirm that this works on an X220:

acpi_call -p '\VBRC' -i $value

It also works lower case for me.

Erich



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20130128072023.63939e6f>