From fd7b68b763c4dfa65e3c145c624427d5fd11202f Mon Sep 17 00:00:00 2001 From: Aditya Garg Date: Fri, 4 Nov 2022 11:55:35 +0000 Subject: [PATCH] HID: apple: Swap Control and Command keys on Apple keyboards This patch allows users to swap the control and command keys. This can be useful for the Mac users who are used to using Command instead of Control in macOS for various commonly used shortcuts. Signed-off-by: Aditya Garg Signed-off-by: Jiri Kosina --- drivers/hid/hid-apple.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index c671ce94671c..1ccab8aa326c 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -59,6 +59,12 @@ MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\") "(For people who want to keep Windows PC keyboard muscle memory. " "[0] = as-is, Mac layout. 1 = swapped, Windows layout.)"); +static unsigned int swap_ctrl_cmd; +module_param(swap_ctrl_cmd, uint, 0644); +MODULE_PARM_DESC(swap_ctrl_cmd, "Swap the Control (\"Ctrl\") and Command (\"Flag\") keys. " + "(For people who are used to Mac shortcuts involving Command instead of Control. " + "[0] = No change. 1 = Swapped.)"); + static unsigned int swap_fn_leftctrl; module_param(swap_fn_leftctrl, uint, 0644); MODULE_PARM_DESC(swap_fn_leftctrl, "Swap the Fn and left Control keys. " @@ -308,7 +314,15 @@ static const struct apple_key_translation swapped_option_cmd_keys[] = { { KEY_LEFTALT, KEY_LEFTMETA }, { KEY_LEFTMETA, KEY_LEFTALT }, { KEY_RIGHTALT, KEY_RIGHTMETA }, - { KEY_RIGHTMETA,KEY_RIGHTALT }, + { KEY_RIGHTMETA, KEY_RIGHTALT }, + { } +}; + +static const struct apple_key_translation swapped_ctrl_cmd_keys[] = { + { KEY_LEFTCTRL, KEY_LEFTMETA }, + { KEY_LEFTMETA, KEY_LEFTCTRL }, + { KEY_RIGHTCTRL, KEY_RIGHTMETA }, + { KEY_RIGHTMETA, KEY_RIGHTCTRL }, { } }; @@ -407,6 +421,13 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, code = trans->to; } + if (swap_ctrl_cmd) { + trans = apple_find_translation(swapped_ctrl_cmd_keys, code); + + if (trans) + code = trans->to; + } + if (code == KEY_FN) asc->fn_on = !!value; -- 2.39.5