Jaunty SRU - LP364678 - UBUNTU: [PATCH v2] Sony laptop: Some Sony Vaia laptops do not enable wwan power by default.

[Tim Gardner]

Amit Kucheria wrote:
> On Wed, Apr 22, 2009 at 01:35:02PM -0600, Tim Gardner wrote:
>> The following changes since commit a63b7d7beeaa1f8f33369cab6419831fa8991e40:
>>   Tyler Hicks (1):
>>         UBUNTU: SAUCE: (drop after 2.6.28) [PATCH] eCryptfs: Larger buffer for encrypted symlink targets
>>
>> are available in the git repository at:
>>
>>   git://kernel.ubuntu.com/rtg/ubuntu-jaunty lp364678
>>
>> Tim Gardner (1):
>>       UBUNTU: Sony laptop: Sony Vaio laptops do not enable wwan power by default.
>>
>>  drivers/misc/sony-laptop.c |   23 +++++++++++++++++++++++
>>  1 files changed, 23 insertions(+), 0 deletions(-)
>> From 71194af7cddcf95c8a4b137c918a86097f3d0be9 Mon Sep 17 00:00:00 2001
>> From: Tim Gardner <tim.gardner at canonical.com>
>> Date: Tue, 21 Apr 2009 11:09:10 -0600
>> Subject: [PATCH] UBUNTU: Sony laptop: Sony Vaio laptops do not enable wwan power by default.
>>
>> Bug: #364678
>>
>> Added quirk to enable wwan power based on DMI information already present in the module.
>> It appears Vaio laptops do not enable wwan power after a cold boot.
> 
> Is there any way to disable wwan w/o toggling the sysfs interface? I guess it isn't hardwired. So you're changing default OFF to default ON (hence higher power consumption).
> 
> ACK on the patch. Not sure about change in the behaviour though.
>  
> Regards,
> Amit
> 

This laptop appears to have some way to emit an ACPI rfkill event
(function key combo?), but the 2.6.28 driver has no rfkill
infrastructure (hence the simple sysfs interface). I'm working with
upstream to implement it correctly on 2.6.30.

rtg
-- 
Tim Gardner tim.gardner at canonical.com