On Mon, Mar 31, 2008 at 04:48:33PM -0400, Alex Hajnal wrote:
> I want to control the error LED on the net5501 under Linux 2.6.  With a bit 
> of 
> hacking* I got a GPIO module designed for the 4801** to compile and install.  
> With it the temperature sensors work but I'm unable to control the LED.  From 
> the CS5536 data book it appears one needs to clear bit 4 of MSR 51400015 to 
> use be able to use GPIO20.  I tried doing this but it had no effect.  Has 
> anyone gotten GPIO to work on this hardware under Linux?

I don't have a net4801, but OpenWrt has a driver for its LEDs and other
hardware:

https://svn.openwrt.org/openwrt/trunk/target/linux/x86/generic/profiles/Soekris.mk
https://svn.openwrt.org/openwrt/trunk/package/kernel/modules/other.mk
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