1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
new file mode 100644
index 000000000000..f4d657ee1cc0
--- /dev/null
+++ b/drivers/input/mouse/focaltech.c
@@ -0,0 +1,52 @@
+/*
+ * Focaltech TouchPad PS/2 mouse driver
+ *
+ * Copyright (c) 2014 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Red Hat authors:
+ *
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+/*
+ * The Focaltech PS/2 touchpad protocol is unknown. This drivers deals with
+ * detection only, to avoid further detection attempts confusing the touchpad
+ * this way it at least works in PS/2 mouse compatibility mode.
+ */
+
+#include <linux/device.h>
+#include <linux/libps2.h>
+#include "psmouse.h"
+
+static const char * const focaltech_pnp_ids[] = {
+	"FLT0101",
+	"FLT0102",
+	"FLT0103",
+	NULL
+};
+
+int focaltech_detect(struct psmouse *psmouse, bool set_properties)
+{
+	if (!psmouse_matches_pnp_id(psmouse, focaltech_pnp_ids))
+		return -ENODEV;
+
+	if (set_properties) {
+		psmouse->vendor = "FocalTech";
+		psmouse->name = "FocalTech Touchpad in mouse emulation mode";
+	}
+
+	return 0;
+}
+
+int focaltech_init(struct psmouse *psmouse)
+{
+	ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
+	psmouse_reset(psmouse);
+
+	return 0;
+}