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Input: synaptics - enable InterTouch on Dell Inspiron 3521

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The Synaptics touchpad on Dell Inspiron 3521 (PNP ID DLL0597) advertises
InterTouch / SMBus support, but is not on the SMBus passlist, so the
driver falls back to PS/2 and logs a hint to try
psmouse.synaptics_intertouch=1.

Add DLL0597 to smbus_pnp_ids so InterTouch is enabled automatically on
this model (and other Dells that reuse the same PNP ID).

Hardware: Dell Inc. Inspiron 3521 (board 06RYX8, BIOS A07),
Synaptics fw 8.1 / board id 2382, firmware_id "PNP: DLL0597 PNP0f13".

Signed-off-by: Shashwat Agrawal <shashwatagrawal473@gmail.com>
Link: https://patch.msgid.link/20260626130051.2574-1-shashwatagrawal473@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Shashwat Agrawal
2026-06-26 11:04:26 -07:00
committed by Dmitry Torokhov
parent f373f18a3c
commit 7890fd28fd
1 changed files with 1 additions and 0 deletions
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drivers/input/mouse/synaptics.c
+1
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@@ -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 */
"DLL0597", /* Dell Inspiron 3521 */
"DLL060d", /* Dell Precision M3800 */
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */