linux-kernel - [PATCH] input/mouse/synaptics: Add SYN1217 to PNP detection list

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Date:   Thu, 15 Feb 2018 14:50:34 +0100
From:   Paul Menzel <pmenzel+linux-input@...gen.mpg.de>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        it+linux-input@...gen.mpg.de
Subject: [PATCH] input/mouse/synaptics: Add SYN1217 to PNP detection list

Date: Wed, 14 Feb 2018 18:16:43 +0100

On the TUXEDO Book BU1406, since Linux 4.12, the Linux kernel logs the 
message
below.

```
kernel: psmouse serio1: synaptics: Your touchpad (PNP: SYN1217 PNP0f13) 
says it can support a different bus. If i2c-hid and hid-rmi are not 
used, you might want to try setting psmouse.synaptics_intertouch to 1 
and report this to linux-input@...r.kernel.org.
```

Booting with `psmouse.synaptics_intertouch=1`, the touchpad continues to
work, so add the ID of the device to the list of IDs, whose devices
support I2C mode.

CC: stable@...r.kernel.org
Signed-off-by: Paul Menzel <pmenzel@...gen.mpg.de>
---
  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 3d2e23a0ae39..80ddbb966d83 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -178,6 +178,7 @@ static const char * const smbus_pnp_ids[] = {
  };

  static const char * const forcepad_pnp_ids[] = {
+	"SYN1217",
  	"SYN300D",
  	"SYN3014",
  	NULL
-- 
2.14.1