HID: Sunplus Wireless Desktop needs report descriptor fixup
This device has reports lower logical maximum compared to the real
usages for Zoom+ and Zoom- it emits.
This patch bumps the values in the report descriptor up, and also
adjusts HID_MAX_USAGE accordingly.
Reported-by: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 81dc5e3..f063565 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -381,6 +381,9 @@
#define USB_VENDOR_ID_SUN 0x0430
#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
+#define USB_VENDOR_ID_SUNPLUS 0x04fc
+#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8
+
#define USB_VENDOR_ID_TOPMAX 0x0663
#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
@@ -735,6 +738,8 @@
{ USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE },
+ { USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP, HID_QUIRK_RDESC_SUNPLUS_WDESKTOP },
+
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
@@ -1009,6 +1014,17 @@
}
}
+static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize)
+{
+ if (rsize >= 107 && rdesc[104] == 0x26
+ && rdesc[105] == 0x80
+ && rdesc[106] == 0x03) {
+ printk(KERN_INFO "Fixing up Sunplus Wireless Desktop report descriptor\n");
+ rdesc[105] = rdesc[110] = 0x03;
+ rdesc[106] = rdesc[111] = 0x21;
+ }
+}
+
/*
* Samsung IrDA remote controller (reports as Cypress USB Mouse).
*
@@ -1182,4 +1198,7 @@
__usbhid_fixup_report_descriptor(quirks, rdesc, rsize);
}
+ if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP)
+ usbhid_fixup_sunplus_wdesktop(rdesc, rsize);
+
}