From 45888af38124bbb78958f17c24300e40f3347b18 Mon Sep 17 00:00:00 2001
From: p-sam <p-sam@d3vs.net>
Date: Sun, 21 Apr 2019 16:29:08 +0000
Subject: [PATCH] version check on pre-8.0.0 pcv funcs

---
 nx/include/switch/services/pcv.h |  1 -
 nx/source/services/pcv.c         | 17 +++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/nx/include/switch/services/pcv.h b/nx/include/switch/services/pcv.h
index a50532fa..172d52c5 100644
--- a/nx/include/switch/services/pcv.h
+++ b/nx/include/switch/services/pcv.h
@@ -20,4 +20,3 @@ Result pcvGetClockRate(PcvModule module, u32 *out_hz);
 Result pcvSetClockRate(PcvModule module, u32 hz);
 Result pcvSetVoltageEnabled(bool state, u32 voltage);
 Result pcvGetVoltageEnabled(bool *isEnabled, u32 voltage);
-
diff --git a/nx/source/services/pcv.c b/nx/source/services/pcv.c
index 6c7f9860..f1768e4c 100644
--- a/nx/source/services/pcv.c
+++ b/nx/source/services/pcv.c
@@ -2,6 +2,7 @@
 #include "result.h"
 #include "arm/atomics.h"
 #include "kernel/ipc.h"
+#include "runtime/hosversion.h"
 #include "services/pcv.h"
 #include "services/sm.h"
 
@@ -30,6 +31,10 @@ void pcvExit(void) {
 }
 
 Result pcvSetClockRate(PcvModule module, u32 hz) {
+    if(hosversionAtLeast(8,0,0)) {
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+    }
+
     IpcCommand c;
     ipcInitialize(&c);
 
@@ -66,6 +71,10 @@ Result pcvSetClockRate(PcvModule module, u32 hz) {
 }
 
 Result pcvGetClockRate(PcvModule module, u32 *out_hz) {
+    if(hosversionAtLeast(8,0,0)) {
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+    }
+
     IpcCommand c;
     ipcInitialize(&c);
 
@@ -105,6 +114,10 @@ Result pcvGetClockRate(PcvModule module, u32 *out_hz) {
 }
 
 Result pcvSetVoltageEnabled(bool state, u32 voltage) {
+    if(hosversionAtLeast(8,0,0)) {
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+    }
+
     IpcCommand c;
     ipcInitialize(&c);
 
@@ -141,6 +154,10 @@ Result pcvSetVoltageEnabled(bool state, u32 voltage) {
 }
 
 Result pcvGetVoltageEnabled(bool *isEnabled, u32 voltage) {
+    if(hosversionAtLeast(8,0,0)) {
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+    }
+
     IpcCommand c;
     ipcInitialize(&c);