linux-kernel - Re: [PATCH] [RESEND] fix HID quirks for aluminium apple wireless keyboards

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Date:	Sat, 14 Jun 2008 13:51:33 +0100
From:	"Phil Endecott" <phil_wueww_endecott@...zphil.org>
To:	"Paul Collins" <paul@...ly.ondioline.org>
Cc:	<jkosina@...e.cz>, <linux-input@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	"Marcel Holtmann" <marcel@...tmann.org>
Subject: Re: [PATCH] [RESEND] fix HID quirks for aluminium apple wireless
	keyboards

Paul Collins wrote:
> Here is a new version of the patch that just adds the entries to
> hidp_blacklist using your suggested style.  I'm leaving the USB HID's
> table alone based on Phil Endecott's remarks regarding HID proxy mode,
> so now this patch only touches Bluetooth code.
>
>
> bluetooth: fix Fn on Apple Wireless Keyboard
>
> Enable the HID quirks for Apple Wireless Keyboards, based on the quirk
> table entries in the USB HID.  With this patch applied the Fn key on my
> keyboard now functions as expected.
>
> diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
> index 519cdb9..62f174a 100644
> --- a/net/bluetooth/hidp/core.c
> +++ b/net/bluetooth/hidp/core.c
> @@ -676,6 +676,12 @@ static const struct {
>  	__u16 idProduct;
>  	unsigned quirks;
>  } hidp_blacklist[] = {
> +	/* Apple Wireless Keyboard, ANSI layout */
> +	{ 0x05ac, 0x022c, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN },
> +	/* Apple Wireless Keyboard, ISO layout */
> +	{ 0x05ac, 0x022d, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN | HID_QUIRK_APPLE_ISO_KEYBOARD },
> +	/* Apple Wireless Keyboard, JIS layout */
> +	{ 0x05ac, 0x022e, HID_QUIRK_APPLE_NUMLOCK_EMULATION | HID_QUIRK_APPLE_HAS_FN },
>  	/* Apple wireless Mighty Mouse */
>  	{ 0x05ac, 0x030c, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },

Why do you set HID_QUIRK_APPLE_NUMLOCK_EMULATION ?  I don't know what 
that quirk really does, but since these keyboards have neither a 
numeric keypad nor a numlock key I can't see any benefit.


Phil.



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