1 files changed, 6 insertions, 1 deletions
diff --git a/hw/usb/hid-logitech-hidpp20.c b/hw/usb/hid-logitech-hidpp20.c
index 51e9596151..e3d451a1ef 100644
--- a/hw/usb/hid-logitech-hidpp20.c
+++ b/hw/usb/hid-logitech-hidpp20.c
@@ -271,8 +271,13 @@ static HIDPP20_FEATURE(feat_featureinfo)
 
 static HIDPP20_FEATURE(feat_dfucontrol)
 {
-    return -HIDPP20_ERR_CODE_UNSUPPORTED; /* TODO: figure out */
     switch (fn) {
+    case 0:
+        if (!memcmp(params, "DFU", 3)) {
+            hd->dfu.active = true;
+            return 0;
+        }
+        return -HIDPP20_ERR_CODE_INVALIDARGUMENT;
     default:
         return -HIDPP20_ERR_CODE_INVALID_FUNCTION_ID;
     }