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philthomson 03-05-2013 07:14 PM

How to use volume keys on Asus X54C?
Hi all,

I have CRUX on an Asus x54C. I would like to be able to use the volume keys on the laptop, but xev doesn't register them. The keys are Fn+F10, Fn+F11, and Fn+F12. xev registers F10, F11, and F12 on their own, but not with the Fn modifer added.

My Googling suggests I need to add 'acpi_osi=Linux' to my kernel line, and I have done this, but no dice.

Here is my kernel config:

Any thoughts?

Ztcoracat 03-20-2013 02:19 AM

My Vaio is different from your Asus but give this a go, it (might) work-


Fn + F3 to turn the volume down and
Fn + F4 to turn the volume up.
Reading the kernel config; not good with that yet; sorry-

philthomson 03-21-2013 07:47 AM

That doesn't work.

I feel relatively sure that this is a kernel config issue. I have another Asus machine which is a netbook. When I had Arch, Debian and Fedora on that netbook, I could use xev to detect the volume keys. When I had CRUX on it, I couldn't. The main difference was that on CRUX, I configured and compiled the kernel myself from scratch. I think something similar is going on here. I just need to figure out what kernel options will allow me to use those keys.

Ztcoracat 03-21-2013 11:51 AM

Sorry that didn't work-

I looked and the only thing I found remotely close to kernel configuration was this linuxtopia page-

Maybe this Linux Kernel book will help if you can find it online-
I would think that instructions on how to configure the kernel for volume control would be in there.

Other than that I looked through 3-5 pages of Google searches and the alsa doc's related to the kernel archives. Here's the search I tried: 'how to configure kernel for volume control'

Free linux books are in my signature line-

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