linux-kernel - Re: [PATCH v3 1/2] platform/x86: Add Uniwill laptop driver

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Message-ID: <003d760c-0314-4ea2-b2b5-860021e0daf8@tuxedocomputers.com>
Date: Wed, 3 Sep 2025 19:08:14 +0200
From: Werner Sembach <wse@...edocomputers.com>
To: Armin Wolf <W_Armin@....de>, ilpo.jarvinen@...ux.intel.com,
 hdegoede@...hat.com, chumuzero@...il.com, corbet@....net, cs@...edo.de,
 ggo@...edocomputers.com
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 platform-driver-x86@...r.kernel.org, rdunlap@...radead.org,
 alok.a.tiwari@...cle.com, linux-leds@...r.kernel.org, lee@...nel.org,
 pobrn@...tonmail.com
Subject: Re: [PATCH v3 1/2] platform/x86: Add Uniwill laptop driver

Hi,

started to look into the driver regarding TUXEDO NB02 devices support, starting 
with the FN-Keys:

Am 31.08.25 um 21:27 schrieb Armin Wolf:
> +static const struct key_entry uniwill_keymap[] = {
> +	/* Reported via keyboard controller */
> +	{ KE_IGNORE,    UNIWILL_OSD_CAPSLOCK,                   { KEY_CAPSLOCK }},
> +	{ KE_IGNORE,    UNIWILL_OSD_NUMLOCK,                    { KEY_NUMLOCK }},
> +
> +	/* Reported when the user locks/unlocks the super key */
> +	{ KE_IGNORE,    UNIWILL_OSD_SUPER_KEY_LOCK_ENABLE,      { KEY_UNKNOWN }},
> +	{ KE_IGNORE,    UNIWILL_OSD_SUPER_KEY_LOCK_DISABLE,     { KEY_UNKNOWN }},

Can you also add

{ KE_IGNORE,    UNIWILL_OSD_SUPER_KEY_LOCK_CHANGED,     { KEY_UNKNOWN }},

?

UNIWILL_OSD_SUPER_KEY_LOCK_ENABLE and UNIWILL_OSD_SUPER_KEY_LOCK_DISABLE are 
always sent in pair with UNIWILL_OSD_SUPER_KEY_LOCK_CHANGED (at least on my test 
device) and without this line an unknown key event is generated (as that is not 
explicitly marked as KE_IGNORE without the line).

> +
> +	/* Reported in manual mode when toggling the airplane mode status */
> +	{ KE_KEY,       UNIWILL_OSD_RFKILL,                     { KEY_RFKILL }},
> +
> +	/* Reported when user wants to cycle the platform profile */
> +	{ KE_IGNORE,    UNIWILL_OSD_PERFORMANCE_MODE_TOGGLE,    { KEY_UNKNOWN }},
This is a physical button on the gaming devices from Uniwill, my suggestion 
would be to bind it to F14 (because another ODM has a very similar key that 
already sends F14 by default) and then let userspace handle it (KDE for example 
has energy profiles that could be bound to it).
> +
> +	/* Reported when the user wants to adjust the brightness of the keyboard */
> +	{ KE_KEY,       UNIWILL_OSD_KBDILLUMDOWN,               { KEY_KBDILLUMDOWN }},
> +	{ KE_KEY,       UNIWILL_OSD_KBDILLUMUP,                 { KEY_KBDILLUMUP }},
> +
> +	/* Reported when the user wants to toggle the microphone mute status */
> +	{ KE_KEY,       UNIWILL_OSD_MIC_MUTE,                   { KEY_MICMUTE }},
> +
> +	/* Reported when the user locks/unlocks the Fn key */
> +	{ KE_IGNORE,    UNIWILL_OSD_FN_LOCK,                    { KEY_FN_ESC }},
> +
> +	/* Reported when the user wants to toggle the brightness of the keyboard */
> +	{ KE_KEY,       UNIWILL_OSD_KBDILLUMTOGGLE,             { KEY_KBDILLUMTOGGLE }},
> +
> +	/* FIXME: find out the exact meaning of those events */
> +	{ KE_IGNORE,    UNIWILL_OSD_BAT_CHARGE_FULL_24_H,       { KEY_UNKNOWN }},
> +	{ KE_IGNORE,    UNIWILL_OSD_BAT_ERM_UPDATE,             { KEY_UNKNOWN }},
> +
> +	/* Reported when the user wants to toggle the benchmark mode status */
> +	{ KE_IGNORE,    UNIWILL_OSD_BENCHMARK_MODE_TOGGLE,      { KEY_UNKNOWN }},
> +
> +	{ KE_END }
> +};

Any reason for still having KEY_* defines even on the ignored events? Looking at 
other drivers KE_IGNORE events usually don't have it.

Best regards,

Werner