Re: [patch 2/3] acpi: compal-laptop: use rfkill switch subsystem

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, 02 Nov 2008 10:13:51 +0000 Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx> wrote:

> Alan Jenkins wrote:
> > allakpm@xxxxxxxxxxxxxxxxxxxx wrote:
> >   
> >> From: Cezary Jackiewicz <cezary.jackiewicz@xxxxxxxxx>
> >>
> >> Removing unnecessary attributes, use rfkill switch subsystem.
> >>
> >> It depends on the rfkill changes in net-next-2.6.
> >>
> >> [randy.dunlap@xxxxxxxxxx: compal-laptop: depends on RKFILL]
> >> Signed-off-by: Cezary Jackiewicz <cezary.jackiewicz@xxxxxxxxx>
> >> Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
> >> Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> >> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> >>     
> >
> > Having read rfkill.txt and tested the rfkill conversion for eeepc-laptop, 
> > I have a few queries about this one.  I hope they are useful.
> >
> > Firstly, does the hardware preserve the rfkill state over power-off / reboot,
> > like the EeePC?
> >
> > If it does, I think rfkill.txt says you need to generate "gratuitous"
> > input events on init.  That would allow rfkill_input to initialize
> > the system rfkill state from the hardware.  You should also do so on resume,
> > in case someone hibernates, boots into another OS, changes the state, and then
> > resumes back into Linux.
> >
> > Otherwise, the system rfkill state will default to enabled on boot,
> > and your rfkill device will be set accordingly.  If compal-laptop
> > used to preserve the state, I think this would be a regression.
> >   
> Scratch that, I've been re-educated by Herique.  If the platform does 
> make the rfkill state persistent, you should call rfkill_set_default() 
> at load-time, before rfkill_allocate / _register.

Are all of your review issues now addressed?  I don't think so.

I'll put this patch on hold until we can get this sorted out.
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux