From d35986d7739a926d42fb8a4fd11b283e63544cec Mon Sep 17 00:00:00 2001
From: yellows8 <yellows8@users.noreply.github.com>
Date: Wed, 15 Nov 2017 16:28:22 -0500
Subject: [PATCH] Added nvioctlNvhostCtrl_EventRegister().

---
 nx/include/switch/gfx/nvioctl.h |  1 +
 nx/source/gfx/nvioctl.c         | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/nx/include/switch/gfx/nvioctl.h b/nx/include/switch/gfx/nvioctl.h
index bab46734..c36e4725 100644
--- a/nx/include/switch/gfx/nvioctl.h
+++ b/nx/include/switch/gfx/nvioctl.h
@@ -77,6 +77,7 @@ enum nvioctl_channel_priority {
 
 Result nvioctlNvhostCtrl_EventSignal(u32 fd, u32 event_id);
 Result nvioctlNvhostCtrl_EventWait(u32 fd, u32 unk0, u32 unk1, s32 timeout, u32 event_id, u32 *out);
+Result nvioctlNvhostCtrl_EventRegister(u32 fd, u32 event_id);
 
 Result nvioctlNvhostCtrlGpu_ZCullGetCtxSize(u32 fd, u32 *out);
 Result nvioctlNvhostCtrlGpu_ZCullGetInfo(u32 fd, u32 out[40>>2]);
diff --git a/nx/source/gfx/nvioctl.c b/nx/source/gfx/nvioctl.c
index 4ef7ebc9..26e5f5d2 100644
--- a/nx/source/gfx/nvioctl.c
+++ b/nx/source/gfx/nvioctl.c
@@ -36,6 +36,17 @@ Result nvioctlNvhostCtrl_EventWait(u32 fd, u32 unk0, u32 unk1, s32 timeout, u32
     return rc;
 }
 
+Result nvioctlNvhostCtrl_EventRegister(u32 fd, u32 event_id) {
+    struct {
+        u32 event_id;      //in ranges from 0x01 to 0x3F
+    } data;
+
+    memset(&data, 0, sizeof(data));
+    data.event_id = event_id;
+
+    return nvIoctl(fd, _IOWR(0x40, 0x1F, data), &data);
+}
+
 Result nvioctlNvhostCtrlGpu_ZCullGetCtxSize(u32 fd, u32 *out) {
     Result rc = 0;