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n00b
n00b


Joined: 12 Apr 2012
Posts: 43

PostPosted: Thu May 10, 2012 2:20 am    Post subject: pbbuttonsd fails to start Reply with quote

As the title says, it gives me the error:"/dev/adb does not exist."

Unfortunately the standard xfce power management is never able to turn off the backlight to my screen for some reason. Instead it just sits there flashing between all red, all green, all blue, white (which lasts longer) gray, and black.

I've got everything I could think of turned on in my kernel settings, too. Including MacHardware->lcd support, radeonfb backlight control and generic lcd backlight control :\.
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JoseJX
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Joined: 28 Apr 2002
Posts: 2774

PostPosted: Thu May 10, 2012 12:56 pm    Post subject: Reply with quote

What kind of Mac are you using? In any case, to use pbbuttonsd, you'll need to make sure these are enabled:
CONFIG_ADB=y
CONFIG_ADB_PMU=y

And for most power management stuff that isn't designed for PPC, you'll also want to enable:
CONFIG_PMAC_APM_EMU=y
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Incomplet
n00b
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Joined: 12 Apr 2012
Posts: 43

PostPosted: Thu May 10, 2012 5:44 pm    Post subject: Reply with quote

Well, I had everything except CONFIG_ADB, and after reading the description for it some countably infinite times I decided I didn't need it. I thought it was handled via I2C, but apparently linux does some really weird (and undocumented) stuff with it. I never figured /dev/adb would really mean /dev/adb lol.
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JoseJX
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PostPosted: Tue May 15, 2012 2:43 pm    Post subject: Reply with quote

I'm not sure what you mean by undocumented stuff, but ADB isn't the same as the I2C protocol. Although ADB devices vanished with the iMac, it was still used internally until the switch to Intel.
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