platform/x86: ideapad-laptop: Do not send KEY_TOUCHPAD* events on probe / resume

The sending of KEY_TOUCHPAD* events is causing spurious touchpad OSD
showing on resume.

Disable the sending of events on probe / resume to fix this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Link: https://lore.kernel.org/r/20221117110244.67811-3-hdegoede@redhat.com

drivers/platform/x86/ideapad-laptop.c

@@ -1487,7 +1487,7 @@ static void ideapad_kbd_bl_exit(struct ideapad_private *priv)
 /*
  * module init/exit
  */
-static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
+static void ideapad_sync_touchpad_state(struct ideapad_private *priv, bool send_events)
 {
 	unsigned long value;
 	unsigned char param;
@@ -1508,8 +1508,11 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
 	 * KEY_TOUCHPAD_ON to not to get out of sync with LED
 	 */
 	i8042_command(&param, value ? I8042_CMD_AUX_ENABLE : I8042_CMD_AUX_DISABLE);
-	ideapad_input_report(priv, value ? 67 : 66);
-	sysfs_notify(&priv->platform_device->dev.kobj, NULL, "touchpad");
+
+	if (send_events) {
+		ideapad_input_report(priv, value ? 67 : 66);
+		sysfs_notify(&priv->platform_device->dev.kobj, NULL, "touchpad");
+	}
 }
 
 static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data)
@@ -1550,7 +1553,7 @@ static void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data)
 			ideapad_sync_rfk_state(priv);
 			break;
 		case 5:
-			ideapad_sync_touchpad_state(priv);
+			ideapad_sync_touchpad_state(priv, true);
 			break;
 		case 4:
 			ideapad_backlight_notify_brightness(priv);
@@ -1840,7 +1843,7 @@ static int ideapad_acpi_add(struct platform_device *pdev)
 			ideapad_register_rfkill(priv, i);
 
 	ideapad_sync_rfk_state(priv);
-	ideapad_sync_touchpad_state(priv);
+	ideapad_sync_touchpad_state(priv, false);
 
 	err = ideapad_dytc_profile_init(priv);
 	if (err) {
@@ -1925,7 +1928,7 @@ static int ideapad_acpi_resume(struct device *dev)
 	struct ideapad_private *priv = dev_get_drvdata(dev);
 
 	ideapad_sync_rfk_state(priv);
-	ideapad_sync_touchpad_state(priv);
+	ideapad_sync_touchpad_state(priv, false);
 
 	if (priv->dytc)
 		dytc_profile_refresh(priv);