Re: wakeup by serial port ?

["Ramagudi Naziir" <naziirr@xxxxxxxxx>]

On 1/4/07, Erik Mouw <mouw@xxxxxxxxxxxx> wrote:
> On Thu, Jan 04, 2007 at 06:05:08PM +0200, Ramagudi Naziir wrote:
> > On 1/4/07, Erik Mouw <mouw@xxxxxxxxxxxx> wrote:
> > >On Thu, Jan 04, 2007 at 05:26:28PM +0200, Ramagudi Naziir wrote:
> > >> I know that PCI and USB devices can wake up a suspended linux machine.
> > >> My question is whether a serial port device can wake it up too ?
> > >Sure, why not? Most BIOSes have a page where you can tell what you
> > >want to use as a wake up source.
> >
> > How is it done in the hardware:  via the RX line ? the CTS line ?
>
> I have no idea, vendor dependent. Just try it out.
>
> > and in the software ? do i need to register an interrupt on the wake-up
> > line ?
> > is there any relevant API I need to use ?
>
> You have to do nothing. BIOS should take care.

Thank You.
Naziir.

> Erik
>
> --
> They're all fools. Don't worry. Darwin may be slow, but he'll
> eventually get them. -- Matthew Lammers in alt.sysadmin.recovery

--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/