Re: [PATCH v2 RESEND] HID: appletb-kbd: add option to switch default layer on double pressing fn key

From: Jiri Kosina

Date: Mon Aug 03 2026 - 14:21:41 EST


On Sat, 20 Jun 2026, Aditya Garg wrote:

> From: Aditya Garg <gargaditya08@xxxxxxxxx>
>
> This patch enables a user to switch the default layer from media to fn
> keys and vice-versa upon double pressing the fn key. This behaviour can
> be configured using the double_press_switch_time module parameter whose
> value depicts the time in milliseconds within which the fn key must be
> pressed again to switch the default layer. If set to 0, it simply
> disables this behaviour.

I know that historically the apple driver had all this kind of tuning as
kernel module parameters, but wouldn't it make more sense to start using
sysfs attributes for these?

Thanks,

--
Jiri Kosina
SUSE Labs