[ltp] Setting the brightness of the mute button LED

[August Lilleaas]

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 I have acpi_osi="Linux" in my grub config now actually, an article
recommended it. Where do I go from there, though? What should the
differences be, where would I look for them, and so on?

On Sat, Mar 20, 2010 at 8:21 PM, Henrique de Moraes Holschuh <hmh@hmh.eng.br
> wrote:

> On Sat, 20 Mar 2010, August Lilleaas wrote:
> > the mute button of my T400s works (it mutes), but the LED on it doesn't.
> > Here's "ls /sys/class/leds", neither of which controls the mute button
> LED.
> >
> > mmc0:: tpacpi::power  tpacpi::standby tpacpi::thinklight
> >  tpacpi::thinkvantage
> >
> > Is there a way to make it shine, or am I out of luck?
>
> Play with the OSI(Linux) stuff in ACPI.  Use the following kernel
> parameters:
>
> "acpi_osi=Linux" and "acpi_osi=!Linux"
>
> One enables, the other disables OSI(Linux). I don't know what the kernel is
> using on the T400s.
>
> --
>  "One disk to rule them all, One disk to find them. One disk to bring
>  them all and in the darkness grind them. In the Land of Redmond
>  where the shadows lie." -- The Silicon Valley Tarot
>   Henrique Holschuh
>



-- 
August Lilleaas

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=C2=A0I have acpi_osi=3D&quot;Linux&quot; in my grub config now actually, a=
n article recommended it. Where do I go from there, though? What should the=
 differences be, where would I look for them, and so on?<br><br><div class=
=3D"gmail_quote">

On Sat, Mar 20, 2010 at 8:21 PM, Henrique de Moraes Holschuh <span dir=3D"l=
tr">&lt;<a href=3D"mailto:hmh@hmh.eng.br">hmh@hmh.eng.br</a>&gt;</span> wro=
te:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-=
left:1px #ccc solid;padding-left:1ex;">

<div><div></div><div class=3D"h5">On Sat, 20 Mar 2010, August Lilleaas wrot=
e:<br>
&gt; the mute button of my T400s works (it mutes), but the LED on it doesn&=
#39;t.<br>
&gt; Here&#39;s &quot;ls /sys/class/leds&quot;, neither of which controls t=
he mute button LED.<br>
&gt;<br>
&gt; mmc0:: tpacpi::power =C2=A0tpacpi::standby tpacpi::thinklight<br>
&gt; =C2=A0tpacpi::thinkvantage<br>
&gt;<br>
&gt; Is there a way to make it shine, or am I out of luck?<br>
<br>
</div></div>Play with the OSI(Linux) stuff in ACPI. =C2=A0Use the following=
 kernel<br>
parameters:<br>
<br>
&quot;acpi_osi=3DLinux&quot; and &quot;acpi_osi=3D!Linux&quot;<br>
<br>
One enables, the other disables OSI(Linux). I don&#39;t know what the kerne=
l is<br>
using on the T400s.<br>
<br>
--<br>
 =C2=A0&quot;One disk to rule them all, One disk to find them. One disk to =
bring<br>
 =C2=A0them all and in the darkness grind them. In the Land of Redmond<br>
 =C2=A0where the shadows lie.&quot; -- The Silicon Valley Tarot<br>
<font color=3D"#888888"> =C2=A0Henrique Holschuh<br>
</font></blockquote></div><br><br clear=3D"all"><br>-- <br>August Lilleaas<=
br>

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