Re: [PATCH 1/1] Input - alps: Fix button reporting on the V2 Alps protocol

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Wed, Jul 29, 2015 at 04:45:26PM -0400, cpaul@redhat.com wrote:
> From: Stephen Chandler Paul <cpaul@redhat.com>
> 
> The data concerning which buttons on the touchpad are held down or not
> are in the fourth packet we receive from the mouse, not the first.
> 
> Signed-off-by: Stephen Chandler Paul <cpaul@redhat.com>

Let's also make sure it hoes not break Hans' (de Bruin) touchpad.

> ---
>  drivers/input/mouse/alps.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> index 113d6f1..e2f9b25 100644
> --- a/drivers/input/mouse/alps.c
> +++ b/drivers/input/mouse/alps.c
> @@ -254,9 +254,9 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse)
>  	/* Non interleaved V2 dualpoint has separate stick button bits */
>  	if (priv->proto_version == ALPS_PROTO_V2 &&
>  	    priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) {
> -		left |= packet[0] & 1;
> -		right |= packet[0] & 2;
> -		middle |= packet[0] & 4;
> +		left |= packet[3] & 1;
> +		right |= packet[3] & 2;
> +		middle |= packet[3] & 4;
>  	}
>  
>  	alps_report_buttons(dev, dev2, left, right, middle);
> -- 
> 2.4.3
> 

-- 
Dmitry