linux-kernel - Re: [PATCH AUTOSEL 4.14 21/21] Input: synaptics - enable RMI mode for X1 Extreme 2nd Generation

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Message-ID: <20191122195602.GC248138@dtor-ws>
Date:   Fri, 22 Nov 2019 11:56:02 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Lyude Paul <lyude@...hat.com>, linux-input@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 4.14 21/21] Input: synaptics - enable RMI mode
 for X1 Extreme 2nd Generation

On Fri, Nov 22, 2019 at 02:49:31PM -0500, Sasha Levin wrote:
> From: Lyude Paul <lyude@...hat.com>
> 
> [ Upstream commit 768ea88bcb235ac3a92754bf82afcd3f12200bcc ]
> 
> Just got one of these for debugging some unrelated issues, and noticed
> that Lenovo seems to have gone back to using RMI4 over smbus with
> Synaptics touchpads on some of their new systems, particularly this one.
> So, let's enable RMI mode for the X1 Extreme 2nd Generation.
> 
> Signed-off-by: Lyude Paul <lyude@...hat.com>
> Link: https://lore.kernel.org/r/20191115221814.31903-1-lyude@redhat.com
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

This will be reverted, do not pick up for stable.

> ---
>  drivers/input/mouse/synaptics.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> index 7db53eab70121..1962db0431dea 100644
> --- a/drivers/input/mouse/synaptics.c
> +++ b/drivers/input/mouse/synaptics.c
> @@ -180,6 +180,7 @@ static const char * const smbus_pnp_ids[] = {
>  	"LEN0096", /* X280 */
>  	"LEN0097", /* X280 -> ALPS trackpoint */
>  	"LEN009b", /* T580 */
> +	"LEN0402", /* X1 Extreme 2nd Generation */
>  	"LEN200f", /* T450s */
>  	"LEN2054", /* E480 */
>  	"LEN2055", /* E580 */
> -- 
> 2.20.1
> 

Thanks.

-- 
Dmitry