Patch "HID: apple: option to swap the 'Option' ("Alt") and 'Command' ("Flag") keys." has been added to the 3.10-stable tree

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This is a note to let you know that I've just added the patch titled

    HID: apple: option to swap the 'Option' ("Alt") and 'Command' ("Flag") keys.

to the 3.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     hid-apple-option-to-swap-the-option-alt-and-command-flag-keys.patch
and it can be found in the queue-3.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 43c831468b3d26dbe8f2e061ccaf1abaf9cc1b8b Mon Sep 17 00:00:00 2001
From: Nanno Langstraat <langstr@xxxxxxxxx>
Date: Mon, 14 Oct 2013 16:07:15 +0200
Subject: HID: apple: option to swap the 'Option' ("Alt") and 'Command' ("Flag") keys.

From: Nanno Langstraat <langstr@xxxxxxxxx>

commit 43c831468b3d26dbe8f2e061ccaf1abaf9cc1b8b upstream.

Use case: people who use both Apple and PC keyboards regularly, and desire to
keep&use their PC muscle memory.

A particular use case: an Apple compact external keyboard connected to a PC
laptop. (This use case can't be covered well by X.org key remappings etc.)

Signed-off-by: Nanno Langstraat <langstr@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/hid/hid-apple.c |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -46,6 +46,12 @@ module_param(iso_layout, uint, 0644);
 MODULE_PARM_DESC(iso_layout, "Enable/Disable hardcoded ISO-layout of the keyboard. "
 		"(0 = disabled, [1] = enabled)");
 
+static unsigned int swap_opt_cmd = 0;
+module_param(swap_opt_cmd, uint, 0644);
+MODULE_PARM_DESC(swap_opt_cmd, "Swap the Option (\"Alt\") and Command (\"Flag\") keys. "
+		"(For people who want to keep Windows PC keyboard muscle memory. "
+		"[0] = as-is, Mac layout. 1 = swapped, Windows layout.)");
+
 struct apple_sc {
 	unsigned long quirks;
 	unsigned int fn_on;
@@ -150,6 +156,14 @@ static const struct apple_key_translatio
 	{ }
 };
 
+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 },
+	{ }
+};
+
 static const struct apple_key_translation *apple_find_translation(
 		const struct apple_key_translation *table, u16 from)
 {
@@ -242,6 +256,14 @@ static int hidinput_apple_event(struct h
 		}
 	}
 
+	if (swap_opt_cmd) {
+		trans = apple_find_translation(swapped_option_cmd_keys, usage->code);
+		if (trans) {
+			input_event(input, usage->type, trans->to, value);
+			return 1;
+		}
+	}
+
 	return 0;
 }
 


Patches currently in stable-queue which might be from langstr@xxxxxxxxx are

queue-3.10/hid-apple-option-to-swap-the-option-alt-and-command-flag-keys.patch
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