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Leds on thinkpad x220i
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butteff
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Joined: 10 May 2016
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Location: Russia

PostPosted: Sun Aug 14, 2016 5:45 am    Post subject: Leds on thinkpad x220i Reply with quote

Hello, does anyone have this notebook?
I've built kernel and thinkvantage buttons works well for sound and mic off\on, but without leds on them.
What I need to include in kernel menuconfig for this leds? I like to see if it enabled by leds, for example in ubuntu it is always works
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haarp
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Joined: 31 Oct 2007
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PostPosted: Tue Aug 16, 2016 9:00 am    Post subject: Reply with quote

Try adding this to your kernel cmdline and rebooting:

Code:
acpi_osi="Linux"
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butteff
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Joined: 10 May 2016
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PostPosted: Thu Aug 18, 2016 5:23 am    Post subject: Reply with quote

Sorry, where I can find this cmdline?
Or you mean .config ?
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haarp
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PostPosted: Thu Aug 18, 2016 6:46 am    Post subject: Reply with quote

It's usually set by your bootloader (e.g. grub). It goes next to the other parameters like root=...
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