linux-kernel - [PATCH] Input: synaptics - enable SMBus for HP Elitebook 840 G2

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Message-ID: <20240719180612.1.Ib652dd808c274076f32cd7fc6c1160d2cf71753b@changeid>
Date: Fri, 19 Jul 2024 18:06:15 +0000
From: Jonathan Denose <jdenose@...gle.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Jonathan Denose <jdenose@...gle.com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, 
	Jeffery Miller <jefferymiller@...gle.com>, 
	"José Pekkarinen" <jose.pekkarinen@...hound.fi>, Sasha Levin <sashal@...nel.org>, 
	linux-input@...r.kernel.org
Subject: [PATCH] Input: synaptics - enable SMBus for HP Elitebook 840 G2

The kernel reports that the touchpad for this device can support a
different bus.

With SMBus enabled the touchpad movement is smoother and three-finger
gestures are recognized.

Signed-off-by: Jonathan Denose <jdenose@...gle.com>
---

 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 7a303a9d6bf72..9df0224867649 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -193,6 +193,7 @@ static const char * const smbus_pnp_ids[] = {
 	"SYN3221", /* HP 15-ay000 */
 	"SYN323d", /* HP Spectre X360 13-w013dx */
 	"SYN3257", /* HP Envy 13-ad105ng */
+	"SYN3015", /* HP EliteBook 840 G2 */
 	NULL
 };
 
-- 
2.45.2.1089.g2a221341d9-goog