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authorZhang Heng <zhangheng@kylinos.cn>2025-09-12 20:38:18 +0800
committerJiri Kosina <jkosina@suse.com>2025-10-30 11:25:44 +0100
commitbeab067dbcff642243291fd528355d64c41dc3b2 (patch)
tree8f486a65efa8af1b0da7f501962bddf98730a80a
parented80cc4667ac997b84546e6d35f0a0ae525d239c (diff)
HID: quirks: work around VID/PID conflict for 0x4c4a/0x4155
Based on available evidence, the USB ID 4c4a:4155 used by multiple devices has been attributed to Jieli. The commit 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") affected touchscreen functionality. Added checks for manufacturer and serial number to maintain microphone compatibility, enabling both devices to function properly. [jkosina@suse.com: edit shortlog] Fixes: 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") Cc: stable@vger.kernel.org Tested-by: staffan.melin@oscillator.se Reviewed-by: Terry Junge <linuxhid@cosmicgizmosystems.com> Signed-off-by: Zhang Heng <zhangheng@kylinos.cn> Signed-off-by: Jiri Kosina <jkosina@suse.com>
-rw-r--r--drivers/hid/hid-ids.h4
-rw-r--r--drivers/hid/hid-quirks.c13
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0723b4b1c9ec..52ae7c29f9e0 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1543,7 +1543,7 @@
#define USB_VENDOR_ID_SIGNOTEC 0x2133
#define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018
-#define USB_VENDOR_ID_SMARTLINKTECHNOLOGY 0x4c4a
-#define USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155 0x4155
+#define USB_VENDOR_ID_JIELI_SDK_DEFAULT 0x4c4a
+#define USB_DEVICE_ID_JIELI_SDK_4155 0x4155
#endif
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index bcd4bccf1a7c..22760ac50f2d 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -915,7 +915,6 @@ static const struct hid_device_id hid_ignore_list[] = {
#endif
{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_HP_5MP_CAMERA_5473) },
- { HID_USB_DEVICE(USB_VENDOR_ID_SMARTLINKTECHNOLOGY, USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155) },
{ }
};
@@ -1064,6 +1063,18 @@ bool hid_ignore(struct hid_device *hdev)
strlen(elan_acpi_id[i].id)))
return true;
break;
+ case USB_VENDOR_ID_JIELI_SDK_DEFAULT:
+ /*
+ * Multiple USB devices with identical IDs (mic & touchscreen).
+ * The touch screen requires hid core processing, but the
+ * microphone does not. They can be distinguished by manufacturer
+ * and serial number.
+ */
+ if (hdev->product == USB_DEVICE_ID_JIELI_SDK_4155 &&
+ strncmp(hdev->name, "SmartlinkTechnology", 19) == 0 &&
+ strncmp(hdev->uniq, "20201111000001", 14) == 0)
+ return true;
+ break;
}
if (hdev->type == HID_TYPE_USBMOUSE &&