From 7c530e39d3f61761f4f5b97b4f61c83773151413 Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Sun, 23 Mar 2014 17:00:54 +0100
Subject: unifying: interface with HID++ 2.0 features

Prepare for adding more HID++ 2.0 features.
---
 hw/usb/hid-logitech-dj.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'hw/usb/hid-logitech-dj.c')

diff --git a/hw/usb/hid-logitech-dj.c b/hw/usb/hid-logitech-dj.c
index caa0383bc9..6de5fa4ba1 100644
--- a/hw/usb/hid-logitech-dj.c
+++ b/hw/usb/hid-logitech-dj.c
@@ -400,6 +400,7 @@ static void hidpp_process_device_hidpp20(USBLtunifyState *s, HidppMsg *msg)
     LHidDevice *hd = &s->devices[msg->device_index - 1];
     Hidpp20Msg *func = (Hidpp20Msg *) msg;
     uint8_t fn = func->func >> 4;
+    int r;
 
     if (func->feat_index == 0) { /* IRoot */
         if (fn == 1) { /* GetProtocolVersion */
@@ -411,7 +412,14 @@ static void hidpp_process_device_hidpp20(USBLtunifyState *s, HidppMsg *msg)
         }
         return;
     }
-    /* TODO: implement features and more functions */
+
+    r = hidpp20_feature_call(hd, func);
+    /* note: if r == 0, then the function is void and there is no output */
+    if (r > 0) {
+        hidpp_queue_output_report(s, msg);
+    } else if (r < 0) {
+        hidpp20_queue_error(s, func, -r);
+    }
 }
 
 
@@ -622,6 +630,7 @@ static void hidpp_init_device(USBLtunifyState *s, int device_index, int devtype)
         hd->report_interval = 8;
         break;
     }
+    hidpp20_init_features(hd);
     hd->info.protocol_version = 0x0200; /* HID++ 2.0 */
     hd->mode = LTUNIFY_MODE_HID;
     hd->powered_on = true;
-- 
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