Input: synaptics - enable InterTouch on Dell Precision M3800

JIRA: https://issues.redhat.com/browse/RHEL-101770
Upstream Status: since v6.15
Tested: with the hid-tools test suite and some hardware

commit a609cb4
Author: Aditya Garg <gargaditya08@live.com>
Date:   Wed May 7 12:12:15 2025 -0700

    Input: synaptics - enable InterTouch on Dell Precision M3800

    Enable InterTouch mode on Dell Precision M3800 by adding "DLL060d" to
    the list of SMBus-enabled variants.

    Reported-by: Markus Rathgeb <maggu2810@gmail.com>
    Signed-off-by: Aditya Garg <gargaditya08@live.com>
    Link: https://lore.kernel.org/r/PN3PR01MB959789DD6D574E16141E5DC4B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
    Cc: stable@vger.kernel.org
    Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>

Author: bentiss

drivers/input/mouse/synaptics.c

@@ -164,6 +164,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
 static const char * const smbus_pnp_ids[] = {
 	/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
+	"DLL060d", /* Dell Precision M3800 */
 	"LEN0048", /* X1 Carbon 3 */
 	"LEN0046", /* X250 */
 	"LEN0049", /* Yoga 11e */