linux-kernel - Re: [RFT] hp-wmi: improved rfkill support for wifi

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Date:	Sat, 18 Jul 2009 20:55:02 +0200
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
Cc:	Matthew Garrett <mjg@...hat.com>, Frans Pop <elendil@...net.nl>,
	Larry Finger <Larry.Finger@...inger.net>,
	linux acpi <linux-acpi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFT] hp-wmi: improved rfkill support for wifi

2009/7/18 Alan Jenkins <alan-jenkins@...fmail.co.uk>:
> I borrowed a HP G7000 last week.  The hp-wmi driver seemed a bit
> confused about hard v.s. soft blocks on the wifi, so I fixed it based on
> acpidump output [1].  I hope this will work on other HP model numbers,
> but it would benefit from testing.  Any volunteers?

HP/Compaq nx6310
2.6.31-rc3+patch

When is enabled by button:
root@...is:/sys/class/rfkill# ls
rfkill0  rfkill1  rfkill2  rfkill3
root@...is:/sys/class/rfkill# cat rfkill*/name
phy0
hci0
hp-wifi
hp-bluetooth
root@...is:/sys/class/rfkill# cat rfkill*/state
1
1
1
1

When disabled by button:
root@...is:/sys/class/rfkill# ls
rfkill0  rfkill2  rfkill3
root@...is:/sys/class/rfkill# cat rfkill*/name
phy0
hp-wifi
hp-bluetooth
root@...is:/sys/class/rfkill# cat rfkill*/state
2
1
0

I enable again by button:
root@...is:/sys/class/rfkill# ls
rfkill0  rfkill2  rfkill3  rfkill4
root@...is:/sys/class/rfkill# cat rfkill*/name
phy0
hp-wifi
hp-bluetooth
hci0
root@...is:/sys/class/rfkill# cat rfkill*/state
1
1
1
1

I disable "by software" in Windows XP (bluetooth and wireless):
root@...is:/sys/class/rfkill# ls
rfkill0  rfkill1  rfkill2  rfkill3
root@...is:/sys/class/rfkill# cat rfkill*/name
phy0
hp-wifi
hp-bluetooth
hci0
root@...is:/sys/class/rfkill# cat rfkill*/state
2
0
1
1

Bluetooth works fine when I back to Linux, it seems be enabled during
boot. Wireless is disabled. I cannot connect to network. So I
re-enable it in Windows:
root@...is:/sys/class/rfkill# ls
rfkill0  rfkill1  rfkill2  rfkill3
root@...is:/sys/class/rfkill# cat rfkill*/name
phy0
hci0
hp-wifi
hp-bluetooth
root@...is:/sys/class/rfkill# cat rfkill*/state
1
1
1
1

Regards
-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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