Re: no sound + backlit keyboard not lighting up (PowerBook G4/Sarge)
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- Subject: Re: no sound + backlit keyboard not lighting up (PowerBook G4/Sarge)
- From: Alain Perry <firstname.lastname@example.org>
- Date: Thu, 19 Aug 2004 22:59:02 +0100
- Message-id: <1092952742.7367.4.camel@electron>
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Le jeu 19/08/2004 à 14:48, Matthew T. Atkinson a écrit :
> [ As usual, I have searched on Google and various list archives, but
> haven't found anything that answers my questions... ]
> Having just installed Sarge (and getting /dev/pmu to work :-)) I have
> been fiddling around with ALSA. I managed to successfully insert the
> module for the powermac sound card (the only seemingly appropriate one I
> could find). Alsaconf was unable to set it up right, for some reason.
> Anyway, I have the modules, but no sound. The device nodes are there
> (/dev/dsp0 for example).
> The system give the impression of working fine (no error messages at
> all) but simply doesn't make any noise. According to Google I appear to
> be along the right lines.
> Any ideas?
Probably silly ones, but hey, who knows ?
Do you have alsa-base and alsa-utils packages installed ?
Did you check the volume and mute states with alsamixer ?
As Elimar asked, did you check with a user with sufficient permissions ?
> Finally, for some reason pbbuttonsd is not supporting my backlit
> keyboard -- all the tabs are greyed out in powerprefs. I know it works
> 'cos I've seen it in OS X -- am I missing another device node? I have
> /dev/adb. I don't have APM emulation but I'd be surprised if I needed
> that to get the keyboard to light up.
I think you need i2c-keywest module for this to work. I believe the
backlit keyboard is supported on all powerbooks at the moment...
Hope this helps...