linux-kernel - Re: [PATCH 3/5] Input: pinephone-keyboard

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Date:   Tue, 12 Apr 2022 20:20:24 +1000
From:   Jarrah <kernel@...ef.tools>
To:     Samuel Holland <samuel@...lland.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org, linux-i2c@...r.kernel.org,
        Wolfram Sang <wsa@...nel.org>, Ondrej Jirman <x@....cz>
Subject: Re: [PATCH 3/5] Input: pinephone-keyboard - Build in the default
 keymap

On 1/30/22 10:00, Samuel Holland wrote:
> +
> +static const uint32_t ppkb_default_fn_keymap[] = {
> +	KEY(0,  0, KEY_FN_ESC),
> +	KEY(0,  1, KEY_F1),
> +	KEY(0,  2, KEY_F2),
> +	KEY(0,  3, KEY_F3),
> +	KEY(0,  4, KEY_F4),
> +	KEY(0,  5, KEY_F5),
> +	KEY(0,  6, KEY_F6),
> +	KEY(0,  7, KEY_F7),
> +	KEY(0,  8, KEY_F8),
> +	KEY(0,  9, KEY_F9),
> +	KEY(0, 10, KEY_F10),
> +	KEY(0, 11, KEY_DELETE),
> +
> +	KEY(2,  0, KEY_SYSRQ),
> +	KEY(2, 10, KEY_INSERT),
> +

The driver currently being patched into most distros supporting the 
keyboard exposes the symbols printed on the keyboard rather than the F* 
keys on the function layer. While I agree than exposing function keys on 
the Fn layer is more logical, in practice running this patch for a day 
I've found it's far more useful to have quick access to the standard set 
of symbols (such as | and -) than to have the function keys.

Would it be possible to either set the default back to symbols or expose 
another layer (potentially under the "pine" key)? An alternative 
solution proposed on the Mobian issue for this was to add a module 
option, allowing these to be switched at runtime rather than compile time.