[PATCH/RFC?] usb/input: Add support for fn key on Apple PowerBooks

[Vojtech Pavlik]

On Fri, Jan 13, 2006 at 07:53:02AM +0100, Michael Hanselmann wrote:
 
> It indeed is. Fixed.

It gets better all the time. ;)

> New patch:
> 
> This patch implements support for the fn key on Apple PowerBooks using
> USB based keyboards.
> 
> Signed-off-by: Michael Hanselmann <linux-kernel at hansmi.ch>
> Acked-by: Rene Nussbaumer <linux-kernel at killerfox.forkbomb.ch>
> Acked-by: Johannes Berg <johannes at sipsolutions.net>
> Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> 
> ---

> @@ -325,7 +459,27 @@ static void hidinput_configure_usage(str
>  
>  			set_bit(EV_REP, input->evbit);
>  			switch(usage->hid & HID_USAGE) {
> -				case 0x003: map_key_clear(KEY_FN);		break;
> +#ifdef CONFIG_USB_HIDINPUT_POWERBOOK
> +				/* The fn key on Apple PowerBooks */
> +				case 0x0003: {
> +					struct hidinput_key_translation *trans;
> +
> +					map_key_clear(KEY_FN);
> +
> +					set_bit(KEY_FN, input->keybit);

The set_bit(KEY_FN, input->keybit) is superfluous here, right?
map_key_clear(KEY_FN); will take care of that further down.

> +					set_bit(KEY_NUMLOCK, input->keybit);
> +
> +					/* Enable all needed keys */
> +					for(trans = powerbook_fn_keys; trans->from; trans++)
> +						set_bit(trans->to, input->keybit);
> +
> +					for(trans = powerbook_numlock_keys; trans->from; trans++)
> +						set_bit(trans->to, input->keybit);
> +
> +					goto ignore;
> +				}
> +#endif
> +
>  				default:    goto ignore;
>  			}
>  			break;

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR