linux-kernel - Re: [PATCH] hid/apple: add module parameter to swap the Command and Option keys

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Date:	Fri, 06 Mar 2009 23:13:07 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Paul Collins <paul@...ly.ondioline.org>
CC:	Jiri Kosina <jkosina@...e.cz>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hid/apple: add module parameter to swap the Command and
 Option keys

On 6.3.2009 06:33, Paul Collins wrote:
> --- a/drivers/hid/hid-apple.c
> +++ b/drivers/hid/hid-apple.c
> @@ -40,6 +40,11 @@ module_param(fnmode, uint, 0644);
>   MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, "
>   		"[1] = fkeyslast, 2 = fkeysfirst)");
>
> +static unsigned int swapmodifiers = 0;

Nowadays compilers optimize this away already, but no need to initialize 
.bss stuff to zero anyway.

> +module_param(swapmodifiers, uint, 0644);
> +MODULE_PARM_DESC(fnmode, "Modifiers match labels or positions "

Weird first parameter => swapmodifiers.

Maybe this should rather be a bool instead of uint.

> +		 "([0] = labels, 1 = positions)");
> +
>   struct apple_sc {
>   	unsigned long quirks;
>   	unsigned int fn_on;
> @@ -123,6 +128,14 @@ static struct apple_key_translation apple_iso_keyboard[] = {
>   	{ }
>   };
>
> +static struct apple_key_translation apple_swap_modifiers[] = {

This might go into .rodata, right? => const

Anyway this is not feasible to do in this patch. Would you like to post 
a followup patch which will also modify the functions which use the 
translation tables?
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