Bug#757356: Scan code event not generated for some keys of the Apple keyboard: those in applespi_fn_codes

[Vincent Lefevre <vincent@vinc17.net>]

Control: retitle -1 Scan code event not generated for some keys of the Apple keyboard: those in applespi_fn_codes

On 2021-05-26 09:52:16 +0200, Vincent Lefevre wrote:
> No MSC_SCAN line for F1 to F12.
[...]
> Same issue for the Enter and Backspace keys:
[...]

And the cursor keys. Actually, all the keys corresponding to

static const struct applespi_key_translation applespi_fn_codes[] = {
        { KEY_BACKSPACE, KEY_DELETE },
        { KEY_ENTER,    KEY_INSERT },
        { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
        { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
        { KEY_F3,       KEY_SCALE,              APPLE_FLAG_FKEY },
        { KEY_F4,       KEY_DASHBOARD,          APPLE_FLAG_FKEY },
        { KEY_F5,       KEY_KBDILLUMDOWN,       APPLE_FLAG_FKEY },
        { KEY_F6,       KEY_KBDILLUMUP,         APPLE_FLAG_FKEY },
        { KEY_F7,       KEY_PREVIOUSSONG,       APPLE_FLAG_FKEY },
        { KEY_F8,       KEY_PLAYPAUSE,          APPLE_FLAG_FKEY },
        { KEY_F9,       KEY_NEXTSONG,           APPLE_FLAG_FKEY },
        { KEY_F10,      KEY_MUTE,               APPLE_FLAG_FKEY },
        { KEY_F11,      KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
        { KEY_F12,      KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
        { KEY_RIGHT,    KEY_END },
        { KEY_LEFT,     KEY_HOME },
        { KEY_DOWN,     KEY_PAGEDOWN },
        { KEY_UP,       KEY_PAGEUP },
        { }
};

in drivers/input/keyboard/applespi.c.

Just in case, in /etc/modprobe.d/hid_apple.conf, I have

options hid_apple fnmode=2
options hid_apple iso_layout=0

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Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)