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Message-ID: <20250629214830.30220-1-leonard@snekbyte.com>
Date: Mon, 30 Jun 2025 05:48:30 +0800
From: Leonard Dizon <leonard@...kbyte.com>
To: jikos@...nel.org
Cc: bentiss@...nel.org,
linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org,
Leonard Dizon <leonard@...kbyte.com>
Subject: [PATCH] HID: elecom: add support for ELECOM HUGE 019B variant
The ELECOM M-HT1DRBK trackball has an additional device ID (056E:019B)
not yet recognized by the driver, despite using the same report
descriptor as earlier variants. This patch adds the new ID and applies
the same fixups, enabling all 8 buttons to function properly.
Signed-off-by: Leonard Dizon <leonard@...kbyte.com>
---
drivers/hid/hid-elecom.c | 6 ++++--
drivers/hid/hid-ids.h | 3 ++-
drivers/hid/hid-quirks.c | 3 ++-
3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c
index defcf91fdd14..0ad7d25d9864 100644
--- a/drivers/hid/hid-elecom.c
+++ b/drivers/hid/hid-elecom.c
@@ -89,7 +89,8 @@ static const __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
break;
case USB_DEVICE_ID_ELECOM_M_DT1URBK:
case USB_DEVICE_ID_ELECOM_M_DT1DRBK:
- case USB_DEVICE_ID_ELECOM_M_HT1URBK:
+ case USB_DEVICE_ID_ELECOM_M_HT1URBK_010C:
+ case USB_DEVICE_ID_ELECOM_M_HT1URBK_019B:
case USB_DEVICE_ID_ELECOM_M_HT1DRBK_010D:
/*
* Report descriptor format:
@@ -122,7 +123,8 @@ static const struct hid_device_id elecom_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
- { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK_010C) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK_019B) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1DRBK_010D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1DRBK_011C) },
{ }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index c6468568aea1..33cc5820f2be 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -448,7 +448,8 @@
#define USB_DEVICE_ID_ELECOM_M_XT4DRBK 0x00fd
#define USB_DEVICE_ID_ELECOM_M_DT1URBK 0x00fe
#define USB_DEVICE_ID_ELECOM_M_DT1DRBK 0x00ff
-#define USB_DEVICE_ID_ELECOM_M_HT1URBK 0x010c
+#define USB_DEVICE_ID_ELECOM_M_HT1URBK_010C 0x010c
+#define USB_DEVICE_ID_ELECOM_M_HT1URBK_019B 0x019b
#define USB_DEVICE_ID_ELECOM_M_HT1DRBK_010D 0x010d
#define USB_DEVICE_ID_ELECOM_M_HT1DRBK_011C 0x011c
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 31508da93ba2..9bf9ce8dc803 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -410,7 +410,8 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_XT4DRBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1URBK) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_DT1DRBK) },
- { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK_010C) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1URBK_019B) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1DRBK_010D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_M_HT1DRBK_011C) },
#endif
--
2.50.0
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