linux-kernel - Re: [PATCH V6 RESEND] HID: ASUS: Add support for ASUS N-Key keyboard

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Date:   Fri, 9 Oct 2020 11:38:55 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Luke D Jones <luke@...nes.dev>
cc:     benjamin.tissoires@...hat.com, linux-kernel@...r.kernel.org,
        linux-input@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH V6 RESEND] HID: ASUS: Add support for ASUS N-Key
 keyboard

On Thu, 24 Sep 2020, Luke D Jones wrote:

> The ASUS N-Key keyboard uses the productId of 0x1866 and is used in
> almost all modern ASUS gaming laptops with slight changes to the
> firmware. This patch enables: Fn+key hotkeys, keyboard backlight
> brightness control, and notify asus-wmi to toggle "fan-mode".
> 
> The keyboard has many of the same key outputs as the existing G752
> keyboard including a few extras, and varies a little between laptop
> models. The key-sets have been split and sub-grouped so that there
> will not be conflict between key event codes used.
> 
> An existing key event used across some keyboards for "Mic Toggle"
> has been changed to emit "F20" as this is what all the main
> desktop environments are using.
> 
> Additionally this keyboard requires the LED interface to be
> intitialised before such things as keyboard backlight control work.
> 
> Misc changes in scope: update some hardcoded comparisons to use an
> available define.
> 
> Signed-off-by: Luke D Jones <luke@...nes.dev>

Thanks for the patch. Looks good to me in general, one small nit before 
this can be merged as a whole ...

> ---
>  drivers/hid/hid-asus.c                     | 188 ++++++++++++++++++---
>  drivers/hid/hid-ids.h                      |   1 +
>  include/linux/platform_data/x86/asus-wmi.h |   2 +

... I'd like to get Ack from Andy (CCing) on the addition below to 
asus-wmi.h.

[ ... snip ... ]
> diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
> index 897b8332a39f..05253cfe786c 100644
> --- a/include/linux/platform_data/x86/asus-wmi.h
> +++ b/include/linux/platform_data/x86/asus-wmi.h
> @@ -27,6 +27,8 @@
>  #define ASUS_WMI_METHODID_INIT		0x54494E49 /* INITialize */
>  #define ASUS_WMI_METHODID_HKEY		0x59454B48 /* Hot KEY ?? */
> 
> +#define ASUS_WMI_METHODID_NOTIF		0x00100021 /* Notify method ?? */
> +
>  #define ASUS_WMI_UNSUPPORTED_METHOD	0xFFFFFFFE
> 
>  /* Wireless */

Thanks,

-- 
Jiri Kosina
SUSE Labs