Re: [PATCH] dell-rbtn: Ignore ACPI notifications if device is suspended

[Darren Hart]

On Mon, Nov 23, 2015 at 03:48:58PM +0100, Pali Rohár wrote:
> On Saturday 21 November 2015 15:16:15 Gabriele Mazzotta wrote:
> > Some BIOSes unconditionally send an ACPI notification to RBTN when the
> > system is resuming from suspend. This makes dell-rbtn send an input
> > event to userspace as if a function key was pressed. Prevent this by
> > ignoring all the notifications received while the device is suspended.
> > 
> > Link: https://bugzilla.kernel.org/show_bug.cgi?id=106031
> > Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
> 
> Andrei Borzenkov (CCed) tested this patch and patch does not fix bug.
> Probably there is race condition and ACPI event is sent *after* function
> rbtn_resume is called.

I'm dropping this one until we can sort out a proper fix.

Is direction still needed from the ACPI side?
+Rafael
-- 
Darren Hart
Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/