diff -urN linux-6.18-orig/drivers/hid/Kconfig linux-6.18/drivers/hid/Kconfig
--- linux-6.18-orig/drivers/hid/Kconfig	2025-12-01 07:42:10 +0900
+++ linux-6.18/drivers/hid/Kconfig	2026-06-16 14:45:45 +0900
@@ -1005,6 +1005,20 @@
 	  Say Y here if you would like to enable force feedback support for
 	  PlayStation game controllers.
 
+config PLAYSTATION_TOUCHPAD
+	bool "Support touchpad on Sony PS4 gamepad"
+	depends on HID_PLAYSTATION
+	default y
+	help
+	Say N to disable support for the touchpad on the DualShock 4
+	controller.  This prevents the touchpad as being recognized as a
+	pointing device and interfering with normal mouse input.  In this
+	case, the touchpad button (pressing down on the touchpad) is
+	reported as an extra controller button, specifically BTN_Z,
+	instead of the left button of the pointing device.
+
+	If unsure, say Y.
+
 config HID_PXRC
        tristate "PhoenixRC HID Flight Controller"
        depends on HID
diff -urN linux-6.18-orig/drivers/hid/hid-playstation.c linux-6.18/drivers/hid/hid-playstation.c
--- linux-6.18-orig/drivers/hid/hid-playstation.c	2025-12-01 07:42:10 +0900
+++ linux-6.18/drivers/hid/hid-playstation.c	2026-06-16 14:46:34 +0900
@@ -402,7 +402,9 @@
 	struct ps_device base;
 	struct input_dev *gamepad;
 	struct input_dev *sensors;
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 	struct input_dev *touchpad;
+#endif
 
 	/* Calibration data for accelerometer and gyroscope. */
 	struct ps_calibration_data accel_calib_data[3];
@@ -549,7 +551,7 @@
 /*
  * Common gamepad buttons across DualShock 3 / 4 and DualSense.
  * Note: for device with a touchpad, touchpad button is not included
- *        as it will be part of the touchpad device.
+ *        when it will be part of the touchpad device.
  */
 static const int ps_gamepad_buttons[] = {
 	BTN_WEST, /* Square */
@@ -928,6 +930,7 @@
 	return sensors;
 }
 
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 static struct input_dev *ps_touchpad_create(struct hid_device *hdev, int width,
 					    int height, unsigned int num_contacts)
 {
@@ -955,6 +958,7 @@
 
 	return touchpad;
 }
+#endif
 
 static struct input_dev *ps_headset_jack_create(struct hid_device *hdev)
 {
@@ -1561,6 +1565,7 @@
 	input_event(ds->sensors, EV_MSC, MSC_TIMESTAMP, ds->sensor_timestamp_us);
 	input_sync(ds->sensors);
 
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 	for (i = 0; i < ARRAY_SIZE(ds_report->points); i++) {
 		struct dualsense_touch_point *point = &ds_report->points[i];
 		bool active = (point->contact & DS_TOUCH_POINT_INACTIVE) ? false : true;
@@ -1578,6 +1583,9 @@
 	input_mt_sync_frame(ds->touchpad);
 	input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
 	input_sync(ds->touchpad);
+#else
+	input_report_key(ds->gamepad, BTN_Z, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
+#endif
 
 	battery_data = FIELD_GET(DS_STATUS0_BATTERY_CAPACITY, ds_report->status[0]);
 	charging_status = FIELD_GET(DS_STATUS0_CHARGING, ds_report->status[0]);
@@ -1805,11 +1813,15 @@
 		goto err;
 	}
 
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 	ds->touchpad = ps_touchpad_create(hdev, DS_TOUCHPAD_WIDTH, DS_TOUCHPAD_HEIGHT, 2);
 	if (IS_ERR(ds->touchpad)) {
 		ret = PTR_ERR(ds->touchpad);
 		goto err;
 	}
+#else
+	input_set_capability(ds->gamepad, EV_KEY, BTN_Z);
+#endif
 
 	/* Bluetooth audio is currently not supported. */
 	if (hdev->bus == BUS_USB) {
@@ -2356,7 +2368,10 @@
 	struct dualshock4_input_report_common *ds4_report;
 	struct dualshock4_touch_report *touch_reports;
 	u8 battery_capacity, num_touch_reports, value;
-	int battery_status, i, j;
+	int battery_status, i;
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
+	int j;
+#endif
 	u16 sensor_timestamp;
 	bool is_minimal = false;
 
@@ -2472,6 +2487,7 @@
 	input_event(ds4->sensors, EV_MSC, MSC_TIMESTAMP, ds4->sensor_timestamp_us);
 	input_sync(ds4->sensors);
 
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 	for (i = 0; i < num_touch_reports; i++) {
 		struct dualshock4_touch_report *touch_report = &touch_reports[i];
 
@@ -2493,6 +2509,9 @@
 		input_sync(ds4->touchpad);
 	}
 	input_report_key(ds4->touchpad, BTN_LEFT, ds4_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
+#else
+	input_report_key(ds4->gamepad, BTN_Z, ds4_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
+#endif
 
 	/*
 	 * Interpretation of the battery_capacity data depends on the cable state.
@@ -2768,11 +2787,15 @@
 		goto err;
 	}
 
+#ifdef CONFIG_PLAYSTATION_TOUCHPAD
 	ds4->touchpad = ps_touchpad_create(hdev, DS4_TOUCHPAD_WIDTH, DS4_TOUCHPAD_HEIGHT, 2);
 	if (IS_ERR(ds4->touchpad)) {
 		ret = PTR_ERR(ds4->touchpad);
 		goto err;
 	}
+#else
+	input_set_capability(ds4->gamepad, EV_KEY, BTN_Z);
+#endif
 
 	ret = ps_device_register_battery(ps_dev);
 	if (ret)