linux-kernel - Re: [PATCH] Input: SoC button array: add mapping for airplane mode button

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Date: Wed, 20 Dec 2023 16:38:25 +0100
From: Werner Sembach <wse@...edocomputers.com>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Christoffer Sandberg <cs@...edo.de>, linux-input@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: SoC button array: add mapping for airplane mode
 button

Am 15.12.23 um 18:17 schrieb Werner Sembach:
> From: Christoffer Sandberg <cs@...edo.de>
>
> This add a mapping for the airplane mode button on the TUXEDO Pulse Gen3.
>
> While it is physically a key it behaves more like a switch, sending a key
> down on first press and a key up on 2nd press. Therefor the switch event is
> used here. Besides this behaviour it uses the HID usage-id 0xc6 (Wireless
> Radio Button) and not 0xc8 (Wireless Radio Slider Switch), but since
> neither 0xc6 nor 0xc8 are currently implemented at all in soc_button_array
> this not to standard behaviour is not put behind a quirk for the moment.
>
> Signed-off-by: Christoffer Sandberg <cs@...edo.de>
> Signed-off-by: Werner Sembach <wse@...edocomputers.com>

Cc: stable@...r.kernel.org

> ---
>   drivers/input/misc/soc_button_array.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c
> index 08bcee3d6bcca..f6d060377d189 100644
> --- a/drivers/input/misc/soc_button_array.c
> +++ b/drivers/input/misc/soc_button_array.c
> @@ -299,6 +299,11 @@ static int soc_button_parse_btn_desc(struct device *dev,
>   		info->name = "power";
>   		info->event_code = KEY_POWER;
>   		info->wakeup = true;
> +	} else if (upage == 0x01 && usage == 0xc6) {
> +		info->name = "airplane mode switch";
> +		info->event_type = EV_SW;
> +		info->event_code = SW_RFKILL_ALL;
> +		info->active_low = false;
>   	} else if (upage == 0x01 && usage == 0xca) {
>   		info->name = "rotation lock switch";
>   		info->event_type = EV_SW;