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From: Leonard Dizon <leonard@snekbyte.com>
To: jikos@kernel.org
Cc: bentiss@kernel.org, linux-input@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Leonard Dizon <leonard@snekbyte.com>
Subject: [PATCH] HID: elecom: add support for ELECOM HUGE 019B variant
Date: Mon, 30 Jun 2025 05:48:30 +0800	[thread overview]
Message-ID: <20250629214830.30220-1-leonard@snekbyte.com> (raw)

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@snekbyte.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


             reply	other threads:[~2025-06-29 21:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-29 21:48 Leonard Dizon [this message]
2025-07-03  7:39 ` Jiri Kosina

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