From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Len Brown <lenb@kernel.org>
Cc: Daniel Drake <dsd@gentoo.org>,
linux-acpi@vger.kernel.org, luming.yu@intel.com
Subject: Re: Laptop screen doesn't come on when lid is reopened
Date: Wed, 9 May 2007 19:00:07 -0300 [thread overview]
Message-ID: <20070509220007.GC9055@khazad-dum.debian.net> (raw)
In-Reply-To: <200705091148.21097.lenb@kernel.org>
On Wed, 09 May 2007, Len Brown wrote:
> Assuming that it works on the Dells, hopefully more
> than the Dells, and doesn't break any others...
...
> Then the button driver should take the lid event and
> cause the code in the video driver to be invoked.
> I'm not sure what the best method for inter-driver
> event like this, since both of them can be modules.
It will break all laptops which don't do anything special on lid events
other than report it to the OS, so that we can do whatever we want
(typically tell HAL or some script to suspend if the lid is closed). Like,
say, thinkpads.
> Finally, the video driver should have suspend/resume methods
> that poke _DSS and that should fix the Dell video on S3.
Yes, that seems like a good idea.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
next prev parent reply other threads:[~2007-05-09 22:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-06 20:17 Laptop screen doesn't come on when lid is reopened Daniel Drake
2007-05-09 15:48 ` Len Brown
2007-05-09 22:00 ` Henrique de Moraes Holschuh [this message]
2007-05-09 22:04 ` Matthew Garrett
2007-05-09 22:30 ` Henrique de Moraes Holschuh
2007-06-01 3:03 ` Daniel Drake
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