[PATCH 6.18 182/752] HID: multitouch: add eGalaxTouch EXC3188 support

Sasha Levin
2026-02-28T17:50:44Z

From: Thorsten Schmelzer <tschmelzer@topcon.com>

[ Upstream commit 8e4ac86b2ddd36fe501e20ecfcc080e536df1f48 ]

Add support for the for the EXC3188 touchscreen from eGalaxy.

Signed-off-by: Thorsten Schmelzer <tschmelzer@topcon.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/hid/hid-ids.h | 1 +
drivers/hid/hid-multitouch.c | 3 +++
2 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3965a58926f1c..240fcff0ca71e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -437,6 +437,7 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C000 0xc000
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002 0xc002

#define USB_VENDOR_ID_EDIFIER 0x2d99
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 1763809177c4a..4dcb1d43df27a 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2202,6 +2202,9 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_EGALAX_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+ { .driver_data = MT_CLS_EGALAX_SERIAL,
+ MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C000) },
{ .driver_data = MT_CLS_EGALAX,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
--
2.51.0