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SubjectRe: [PATCH resend 3/6] toshiba_acpi: Add support for Keyboard functions mode
Hi Darren,

2015-02-09 21:08 GMT-07:00 Darren Hart <>:
> On Mon, Feb 09, 2015 at 08:34:51PM -0700, Azael Avalos wrote:
>> Recent Toshiba laptops that come with the new keyboard layout have
>> the Special Functions (hotkeys) enabled by default, which, in order to
>> access the F{1-12} keys, you need to press the FN-F{1-12} key to
>> access such key.
>> This patch adds support to toggle the Keyboard Functions operation
>> mode by creating the sysfs entry "kbd_functions_keys", accepting only
>> two parameters, 0 to set the "Normal Operation" mode and 1 to set the
>> "Special Functions" mode, however, everytime the mode is toggled, a
>> restart is needed.
> Erm... that's kinda horrible :-/
> A couple of questions then.
> 1) Does the system BIOS offer a way to select one mode or the other? If so, no
> point in adding it here if a reboot is required.

Yes, I just wanted to make the driver on Linux on par with its Windows

> 2) Where Toshiba supports this (Windows?) is a reboot required?

Windows 7 and up, and yes, a reboot is required on Windows too.

> Rather than having to reboot, would a userspace mapping possibly be preferable?
> Could be done without a reboot.

Nope, it sets some value into a BIOS variable (register?), not even
the module helps.

> Finally, if we keep this, we need to print something to the system log
> indicating success - and that a reboot is required to take effect.

Sure, that's no problem, its your call to keep it or drop it, just let me know
as to send an updated version.

> --
> Darren Hart
> Intel Open Source Technology Center


-- El mundo apesta y vosotros apestais tambien --

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