[ltp] Re: [ibm-acpi-devel] thinkpad-acpi release 0.24-20100220 uploaded to ibm-acpi.sf.net

[Pedro Ribeiro]

On 21 February 2010 22:43, Jerone Young <jerone.young@canonical.com> wrote:
> On Sun, 2010-02-21 at 15:47 -0600, Jerone Young wrote:
>> On Sun, 2010-02-21 at 12:27 -0300, Henrique de Moraes Holschuh wrote:
>> > I have released version 0.24-20100220 of thinkpad-acpi through the
>> > sourceforge.net release system.
>> >
>> > Patches are available for 2.6.27 to 2.6.32, at:
>> > https://sourceforge.net/projects/ibm-acpi/files/thinkpad-acpi/0.24-201=
00220/
>> >
>> > (support for 2.6.28 to 2.6.31 will be discontinued soon).
>> >
>> > git users can get it directly from tags in:
>> > git://repo.or.cz/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git
>> >
>> > This release has some bug fixes, the most important ones being to ALSA
>> > and the ALSA mixer support, and to the NVRAM polling code.
>> >
>> > I have pending reports that the ALSA mixer does not always play well
>> > with the newer ThinkPads with mute-only control. =A0This is not a new
>> > regression, whatever the bug is, it has been there for a long time but
>> > people never paid attention until it become easy to use through ALSA.
>> > I'd appreciate some volunteers to do some testing on the Lenovo *61,
>> > *400, *500 and newer ThinkPads.
>>
>> Just tired it out on my Thinkpad X301 and it does work. When using the
>> proc interface if I echo mute .. it mutes the speakers .. and I see the
>> orange light come on. When unmute orange light goes out and it unmutes
>> the speakers.
>
> To add more .. did some experimenting. I found something interesting. So
> if acpi_osi=3DLinux is passed on the kernel command line (this is done in
> the kernel for T61 & T400 & T500) .. but when I do this. The proc
> interface doesn't actually work anymore. It will light up the mute
> button light though on my X301 & turn it off. But no effect to the
> volume.
>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Thanks,
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Jerone


The T400 thing was requested by me because of stupid userspace tools.
I guess that now it is not necessary?
I'm going to compile and test the kernel without the acpi_osi=3DLinux
and see what happens.

Regards,
Pedro