[PATCH] HID: elecom: add support for ELECOM M-DT2DRBK
From: Martin Hilgendorf <hidden>
Date: 2025-08-02 13:46:02
Also in:
lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
The DT2DRBK trackball has 8 buttons, but the report descriptor only specifies 5. This patch adds the device ID and performs a similar fixup as for other ELECOM devices to enable the remaining 3 buttons. Signed-off-by: Martin Hilgendorf <redacted> --- drivers/hid/hid-elecom.c | 2 ++ drivers/hid/hid-ids.h | 1 + drivers/hid/hid-quirks.c | 1 + 3 files changed, 4 insertions(+)
diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c
index 0ad7d25d9864..69771fd35006 100644
--- a/drivers/hid/hid-elecom.c
+++ b/drivers/hid/hid-elecom.c@@ -101,6 +101,7 @@ static const __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc, */ mouse_button_fixup(hdev, rdesc, *rsize, 12, 30, 14, 20, 8); break; + case USB_DEVICE_ID_ELECOM_M_DT2DRBK: case USB_DEVICE_ID_ELECOM_M_HT1DRBK_011C: /* * Report descriptor format:
@@ -123,6 +124,7 @@ 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_DT2DRBK) }, { 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) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 5a1096283855..6dc797de3117 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h@@ -451,6 +451,7 @@ #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_DT2DRBK 0x018d #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
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index ff11f1ad344d..5c15af9afa98 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c@@ -411,6 +411,7 @@ 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_DT2DRBK) }, { 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) },
--
2.50.1