linux-kernel - Dell-laptop is not working without wireless

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Message-Id: <20090818060340.E1C7A526EA5@mailhub.coreip.homeip.net>
Date:	Mon, 17 Aug 2009 22:32:27 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Matthew Garrett <mjg@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Dell-laptop is not working without wireless

Matthew,

Not sure if this has already been reported, but here it goes:

dell-laptop module does not work on my Latitude d630 unless driver for
my wireless card (which happens to be iwl3945) is already loaded.
Otherwise dcsbas_smi_request() returns all zeroes which causes
dell-laptop to not create any rfkill devices nor install backlight
device:

[  766.262842] dell-laptop: dell_setup_rfkill() - 0, 0, 0, 0
[  766.263087] dell-laptop: max intensity is 0
[  780.388460] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network
Connection driver for Linux, 1.2.26kds
[  780.388464] iwl3945: Copyright(c) 2003-2009 Intel Corporation
[  780.388584] iwl3945 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) ->
IRQ 17
[  780.388605] iwl3945 0000:0c:00.0: setting latency timer to 64
[  780.446318] iwl3945 0000:0c:00.0: Tunable channels: 11 802.11bg, 13
802.11a channels
[  780.446322] iwl3945 0000:0c:00.0: Detected Intel Wireless WiFi Link
3945ABG
[  780.446474] iwl3945 0000:0c:00.0: irq 29 for MSI/MSI-X
[  780.451713] phy1: Selected rate control algorithm 'iwl-3945-rs'
[  785.216846] iwl3945 0000:0c:00.0: firmware: requesting
iwlwifi-3945-2.ucode
[  785.233257] iwl3945 0000:0c:00.0: loaded firmware version 15.32.2.9
[  785.303299] Registered led device: iwl-phy1::radio
[  785.303445] Registered led device: iwl-phy1::assoc
[  785.303522] Registered led device: iwl-phy1::RX
[  785.303597] Registered led device: iwl-phy1::TX
[  799.213373] dell-laptop: dell_setup_rfkill() - 0, 1031f, 100, 1
[  799.213383] dell-laptop: setting up dell-wifi rfkill
[  799.213971] dell-laptop: setting up dell-bluetooth rfkill
[  799.214726] dell-laptop: max intensity is 7

Thanks.

-- 
Dmitry
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