only change gpu engine, memclock, fans, if ADL is enabled

driver-opencl.c

@@ -295,10 +295,12 @@ char *set_gpu_engine(const char *_arg)
 	return NULL;
 }
 
-char *set_gpu_fan(char *arg)
+char *set_gpu_fan(const char *_arg)
 {
 	int i, val1 = 0, val2 = 0, device = 0;
 	char *nextptr;
+	char *arg = (char *)alloca(strlen(_arg) + 1);
+	strcpy(arg, _arg);
 
 	nextptr = strtok(arg, ",");
 	if (nextptr == NULL)

driver-opencl.h

@@ -9,7 +9,7 @@ extern void *reinit_gpu(void *userdata);
 extern char *set_gpu_map(char *arg);
 extern char *set_gpu_threads(const char *arg);
 extern char *set_gpu_engine(const char *arg);
-extern char *set_gpu_fan(char *arg);
+extern char *set_gpu_fan(const char *arg);
 extern char *set_gpu_memclock(const char *arg);
 extern char *set_gpu_memdiff(char *arg);
 extern char *set_gpu_powertune(char *arg);

sgminer.c

@@ -6241,6 +6241,7 @@ static void get_work_prepare_thread(struct thr_info *mythr, struct work *work)
       set_rawintensity(work->pool->rawintensity);
     if (work->pool->thread_concurrency)
       set_thread_concurrency(work->pool->thread_concurrency);
+    #ifdef HAVE_ADL
       if (work->pool->gpu_engine) {
         set_gpu_engine(work->pool->gpu_engine);
         for (i = 0; i < nDevs; i++)
@@ -6257,6 +6258,7 @@ static void get_work_prepare_thread(struct thr_info *mythr, struct work *work)
           if (gpus[i].min_fan == gpus[i].gpu_fan)
             set_fanspeed(i, gpus[i].gpu_fan);
       }
+    #endif
     // Change algorithm for each thread (thread_prepare calls initCl)
     for (i = 0; i < mining_threads; i++) {
       struct thr_info *thr = mining_thr[i];