[PATCH libinput] touchpad: exclude Logitech touchpads from disable-while-typing

[Peter Hutterer]

Logitech does not sell internal touchpads, the closest ones are the TK820 and
the K400 series devices. Neither of which need DWT, the touchpad is next to
the keyboard.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 src/evdev-mt-touchpad.c | 4 ++++
 src/libinput-util.h     | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 40c51c6..1974e2a 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -1335,6 +1335,10 @@ tp_want_dwt(struct evdev_device *touchpad,
 	if (bus_tp == BUS_I8042 && bus_kbd != bus_tp)
 		return false;
 
+	/* Logitech does not have internal touchpads */
+	if (vendor_tp == VENDOR_ID_LOGITECH)
+		return false;
+
 	/* For Apple touchpads, always use its internal keyboard */
 	if (vendor_tp == VENDOR_ID_APPLE) {
 		return vendor_kbd == vendor_tp &&
diff --git a/src/libinput-util.h b/src/libinput-util.h
index 66748ea..8f814cc 100644
--- a/src/libinput-util.h
+++ b/src/libinput-util.h
@@ -37,6 +37,7 @@
 #include "libinput.h"
 
 #define VENDOR_ID_APPLE 0x5ac
+#define VENDOR_ID_LOGITECH 0x46d
 #define VENDOR_ID_WACOM 0x56a
 #define VENDOR_ID_SYNAPTICS_SERIAL 0x002
 #define PRODUCT_ID_APPLE_KBD_TOUCHPAD 0x273
-- 
2.7.3