linux-kernel - Re: [PATCH] Input: synaptics - handle spurious release of trackstick buttons, again

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Message-ID: <CAN+gG=H+n5fcUw2isArFu04VPdyQ7UmzWzU8-jOVRefnzR_69Q@mail.gmail.com>
Date:	Tue, 15 Mar 2016 15:25:40 +0100
From:	Benjamin Tissoires <benjamin.tissoires@...il.com>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Duggan <aduggan@...aptics.com>,
	linux-input <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Input: synaptics - handle spurious release of trackstick
 buttons, again

On Tue, Mar 15, 2016 at 11:18 AM, Benjamin Tissoires
<benjamin.tissoires@...hat.com> wrote:
> Looks like the fimware 8.2 stall has the extra buttons spurious release

Typo: *still, not stall. (sorry)

Cheers,
Benjamin

> bug.
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=114321
> Cc: stable@...r.kernel.org
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---
>  drivers/input/mouse/synaptics.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> index 6025eb4..9f3b83f 100644
> --- a/drivers/input/mouse/synaptics.c
> +++ b/drivers/input/mouse/synaptics.c
> @@ -862,8 +862,9 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse,
>         if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
>                 return;
>
> -       /* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */
> -       if (SYN_ID_FULL(priv->identity) == 0x801 &&
> +       /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */
> +       if (((SYN_ID_FULL(priv->identity) == 0x801) ||
> +            (SYN_ID_FULL(priv->identity) == 0x802)) &&
>             !((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
>                 return;
>
> --
> 2.5.0
>
> --
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