linux-kernel - Re: [PATCH] input - input.h: Add a new switch event

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Date:	Fri, 4 Oct 2013 09:33:57 +1000
From:	Peter Hutterer <peter.hutterer@...-t.net>
To:	Ping Cheng <pinglinux@...il.com>
Cc:	linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
	rydberg@...omail.se, benjamin.tissoires@...il.com,
	linux-kernel@...r.kernel.org, Ping Cheng <pingc@...om.com>
Subject: Re: [PATCH] input - input.h: Add a new switch event

On Thu, Oct 03, 2013 at 03:31:07PM -0700, Ping Cheng wrote:
> One of Wacom's pen and touch capable models added a switch for
> users to turn on/off touch events. We need to report the state of
> this switch to userland. But, there is no existing switch event
> defined for this purpose. Luckily enough, there is a room for a
> new switch event.
> 
> Signed-off-by: Ping Cheng <pingc@...om.com>
> ---
>  include/uapi/linux/input.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h
> index d08abf9..d4097b0 100644
> --- a/include/uapi/linux/input.h
> +++ b/include/uapi/linux/input.h
> @@ -855,6 +855,7 @@ struct input_keymap_entry {
>  #define SW_FRONT_PROXIMITY	0x0b  /* set = front proximity sensor active */
>  #define SW_ROTATE_LOCK		0x0c  /* set = rotate locked/disabled */
>  #define SW_LINEIN_INSERT	0x0d  /* set = inserted */
> +#define SW_TOUCH_ENABLED	0x0e  /* set = touch switch turned on (touch events off) */
>  #define SW_MAX			0x0f
>  #define SW_CNT			(SW_MAX+1)
>  
> -- 
> 1.8.1.2

Acked-by: Peter Hutterer <peter.hutterer@...-t.net> for the principle,
though I think SW_TOUCH would be enough, given that the switch already
communicates on/off.

Cheers,
   Peter


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