Limit intensity range according to whether scrypt is in use or not.

api.c

@@ -532,7 +532,7 @@ struct CODES {
  { SEVERITY_ERR,   MSG_MISVAL,	PARAM_NONE,	"Missing comma after GPU number" },
  { SEVERITY_ERR,   MSG_NOADL,	PARAM_NONE,	"ADL is not available" },
  { SEVERITY_ERR,   MSG_NOGPUADL,PARAM_GPU,	"GPU %d does not have ADL" },
- { SEVERITY_ERR,   MSG_INVINT,	PARAM_STR,	"Invalid intensity (%s) - must be '" _DYNAMIC  "' or range " _MIN_INTENSITY_STR " - " _MAX_INTENSITY_STR },
+ { SEVERITY_ERR,   MSG_INVINT,	PARAM_STR,	"Invalid intensity (%s) - must be '" _DYNAMIC  "' or range " MIN_SHA_INTENSITY_STR " - " MAX_SCRYPT_INTENSITY_STR },
  { SEVERITY_INFO,  MSG_GPUINT,	PARAM_BOTH,	"GPU %d set new intensity to %s" },
  { SEVERITY_SUCC,  MSG_MINECONFIG,PARAM_NONE,	"CGMiner config" },
 #ifdef HAVE_OPENCL

cgminer.c

@@ -1041,10 +1041,18 @@ static struct opt_table opt_config_table[] = {
 	OPT_WITH_ARG("--lookup-gap",
 		     set_lookup_gap, NULL, NULL,
 		     "Set GPU lookup gap for scrypt mining, comma separated"),
-#endif
 	OPT_WITH_ARG("--intensity|-I",
 		     set_intensity, NULL, NULL,
-		     "Intensity of GPU scanning (d or " _MIN_INTENSITY_STR " -> " _MAX_INTENSITY_STR ", default: d to maintain desktop interactivity)"),
+		     "Intensity of GPU scanning (d or " MIN_SHA_INTENSITY_STR
+		     " -> " MAX_SCRYPT_INTENSITY_STR
+		     ",default: d to maintain desktop interactivity)"),
+#else
+	OPT_WITH_ARG("--intensity|-I",
+		     set_intensity, NULL, NULL,
+		     "Intensity of GPU scanning (d or " MIN_SHA_INTENSITY_STR
+		     " -> " MAX_SHA_INTENSITY_STR
+		     ",default: d to maintain desktop interactivity)"),
+#endif
 #endif
 	OPT_WITH_ARG("--hotplug",
 		     set_int_0_to_9999, NULL, &hotplug_time,

driver-opencl.c

@@ -789,7 +789,15 @@ retry:
 			wlogprint("Invalid selection\n");
 			goto retry;
 		}
-		intvar = curses_input("Set GPU scan intensity (d or " _MIN_INTENSITY_STR " -> " _MAX_INTENSITY_STR ")");
+		if (opt_scrypt) {
+			intvar = curses_input("Set GPU scan intensity (d or "
+					      MIN_SCRYPT_INTENSITY_STR " -> "
+					      MAX_SCRYPT_INTENSITY_STR ")");
+		} else {
+			intvar = curses_input("Set GPU scan intensity (d or "
+					      MIN_SHA_INTENSITY_STR " -> "
+					      MAX_SHA_INTENSITY_STR ")");
+		}
 		if (!intvar) {
 			wlogprint("Invalid input\n");
 			goto retry;

miner.h

@@ -945,14 +945,24 @@ extern bool add_pool_details(struct pool *pool, bool live, char *url, char *user
 #define MAX_GPUDEVICES 16
 #define MAX_DEVICES 4096
 
-#define MIN_INTENSITY -10
+#define MIN_SHA_INTENSITY -10
-#define _MIN_INTENSITY_STR "-10"
+#define MIN_SHA_INTENSITY_STR "-10"
+#define MAX_SHA_INTENSITY 14
+#define MAX_SHA_INTENSITY_STR "14"
+#define MIN_SCRYPT_INTENSITY 8
+#define MIN_SCRYPT_INTENSITY_STR "8"
+#define MAX_SCRYPT_INTENSITY 20
+#define MAX_SCRYPT_INTENSITY_STR "20"
 #ifdef USE_SCRYPT
-#define MAX_INTENSITY 20
+#define MIN_INTENSITY (opt_scrypt ? MIN_SCRYPT_INTENSITY : MIN_SHA_INTENSITY)
-#define _MAX_INTENSITY_STR "20"
+#define MIN_INTENSITY_STR (opt_scrypt ? MIN_SCRYPT_INTENSITY_STR : MIN_SHA_INTENSITY_STR)
+#define MAX_INTENSITY (opt_scrypt ? MAX_SCRYPT_INTENSITY : MAX_SHA_INTENSITY)
+#define MAX_INTENSITY_STR (opt_scrypt ? MAX_SCRYPT_INTENSITY_STR : MAX_SHA_INTENSITY_STR)
 #else
-#define MAX_INTENSITY 14
+#define MIN_INTENSITY MIN_SHA_INTENSITY
-#define _MAX_INTENSITY_STR "14"
+#define MIN_INTENSITY_STR MIN_SHA_INTENSITY_STR
+#define MAX_INTENSITY MAX_SHA_INTENSITY
+#define MAX_INTENSITY_STR MAX_SHA_INTENSITY_STR
 #endif
 
 extern bool hotplug_mode;