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-rw-r--r--drivers/hid/hid-apple.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index d732d1d10caf..359bdfbe3701 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -51,6 +51,12 @@ 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_fn_leftctrl;
+module_param(swap_fn_leftctrl, uint, 0644);
+MODULE_PARM_DESC(swap_fn_leftctrl, "Swap the Fn and left Control keys. "
+ "(For people who want to keep PC keyboard muscle memory. "
+ "[0] = as-is, Mac layout, 1 = swapped, PC layout)");
+
struct apple_sc {
unsigned long quirks;
unsigned int fn_on;
@@ -162,6 +168,11 @@ static const struct apple_key_translation swapped_option_cmd_keys[] = {
{ }
};
+static const struct apple_key_translation swapped_fn_leftctrl_keys[] = {
+ { KEY_FN, KEY_LEFTCTRL },
+ { }
+};
+
static const struct apple_key_translation *apple_find_translation(
const struct apple_key_translation *table, u16 from)
{
@@ -183,9 +194,11 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
bool do_translate;
u16 code = 0;
- if (usage->code == KEY_FN) {
+ u16 fn_keycode = (swap_fn_leftctrl) ? (KEY_LEFTCTRL) : (KEY_FN);
+
+ if (usage->code == fn_keycode) {
asc->fn_on = !!value;
- input_event(input, usage->type, usage->code, value);
+ input_event(input, usage->type, KEY_FN, value);
return 1;
}
@@ -270,6 +283,14 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
}
}
+ if (swap_fn_leftctrl) {
+ trans = apple_find_translation(swapped_fn_leftctrl_keys, usage->code);
+ if (trans) {
+ input_event(input, usage->type, trans->to, value);
+ return 1;
+ }
+ }
+
return 0;
}
@@ -333,6 +354,11 @@ static void apple_setup_input(struct input_dev *input)
for (trans = apple_iso_keyboard; trans->from; trans++)
set_bit(trans->to, input->keybit);
+
+ if (swap_fn_leftctrl) {
+ for (trans = swapped_fn_leftctrl_keys; trans->from; trans++)
+ set_bit(trans->to, input->keybit);
+ }
}
static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,