IBM T60 Function keys

[Chris Rees]

2008/11/1 Joris Dobbelsteen <joris at familiedobbelsteen.nl>:
> Joe Burgess wrote, On 22-09-08 19:07:
>> Do you have the thinkpad acpi kernel module installed??
>>
>> --Joe
>
> Yes, its loaded:
> lsmod | grep -E "(acpi|think)"
> acpi_cpufreq           10796  2
> freq_table              5536  3 acpi_cpufreq,cpufreq_stats,cpufreq_ondemand
> thinkpad_ec             8464  1 hdaps_ec
> thinkpad_acpi          51836  0
> nvram                   9992  2 thinkpad_acpi
> pata_acpi               8320  0
> libata                159344  4 pata_acpi,ata_piix,ahci,ata_generic
> processor              37384  4 acpi_cpufreq,thermal
>
> Currently my display brightness OSD seems to work fine, as it keeps
> state correctly.
>
> I'm only looking where I can make sure that pressing "volume down"
> button will actually unmute the sound, as "volume up" button already does.
>
> - Joris
>
>> Joris Dobbelsteen wrote:
>>> Dear,
>>>
>>> I have currently put Ubuntu 8.04 LTS on my IBM T60 laptop and run into a
>>> few little annoyances. One of these is that the function keys work
>>> rather strangely (or not, but that I can handle).
>>>
>>> Display brightness control
>>> * Making the screen brighter works, BUT does not update software state.
>>> It also shows no on-screen display.
>>> * Lowering brightness works and updates state...
>>> Once brightness is lowered, pressing it will move to the lowest possible
>>> brightness. Its not gradually, since making it brighter does not update
>>> the software state.
>>> How can I diagnose/fix this?
>>>
>>> For volume control I have three buttons:
>>> * Volume mute, works OK.
>>> * Volume lowering works, but does NOT unmute.
>>> * Volume up works as expected.
>>> How do I fix volume lowering to actually unmute?
>>>
>>> Thanks,
>>>
>>> - Joris
>
>
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Volume lowering isn't supposed to unmute. The idea is, if you mute,
it's too loud, and you can then lower the volume, unmute, and then
raise it to a comfortable level without damaging your ears/speakers.

Chris
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