diff --git a/src/dt.c b/src/dt.c
index ddec4f7f9..b3f9e22d0 100644
--- a/src/dt.c
+++ b/src/dt.c
@@ -30,161 +30,167 @@
 
 int main(int argc, char **argv)
 {
-    int x, b, f;
-    int fd;
-    char s[1024];
-    time_t t;
-    struct tm *tmp;
-    unsigned int timer;
+	int x, b, f;
+	int fd;
+	char s[1024];
+	time_t t;
+	struct tm *tmp;
+	unsigned int timer;
 
-    if (argc > 1)
-    {
-	fd = open("/dev/display", O_RDONLY);
-	if (fd < 0)
+	if (argc > 1)
 	{
-	    perror("/dev/display");
-	    return -fd;
+		fd = open("/dev/display", O_RDONLY);
+		if (fd < 0)
+		{
+			perror("/dev/display");
+			return -fd;
+		}
+
+		memset(s, 0, 1024);
+
+		for (x = 1; x < argc; x++)
+		{
+			if (argv[x][0] == '-')
+			{
+				if (sscanf(argv[x], "-b%d", &b) == 1)
+				{
+					if ((b < 16) && (b >= 0))
+					{
+						if (ioctl(fd, IOC_FP_SET_BRIGHT, (unsigned char)  b))
+							perror("IOC_FP_SET_BRIGHT");
+					}
+					else
+						printf("Error: brightness is out of range (0 ... 16)\n\n");
+				}
+				else if (sscanf(argv[x], "-s%X:%X:%X", &b, &f, &timer) == 3)
+				{
+					if ((b < 16) && (b >= 0))
+					{
+						fp_standby_data_t standby;
+						char h[3], m[3];
+
+						t = time(NULL);
+						tmp = localtime(&t);
+						if (tmp == NULL)
+						{
+							perror("localtime");
+						}
+						if (strftime(h, sizeof(h), "%_H", tmp) == 0)
+						{
+							fprintf(stderr, "strftime returned 0\n");
+						}
+						if (strftime(m, sizeof(m), "%_M", tmp) == 0)
+						{
+							fprintf(stderr, "strftime returned 0\n");
+						}
+
+						standby.brightness          = b;
+						standby.flags               = f & 0xFF;
+						standby.current_hour        = atoi(h);
+						standby.current_minute      = atoi(m);
+						standby.timer_minutes_hi    = timer >> 8;
+						standby.timer_minutes_lo    = timer & 0xFF;
+						printf("brightness       %d\n", standby.brightness);
+						printf("flags            %02X\n", standby.flags);
+						printf("current_hour     %d\n", standby.current_hour);
+						printf("current_minute   %d\n", standby.current_minute);
+						printf("timer_minutes_hi %d\n", standby.timer_minutes_hi);
+						printf("timer_minutes_lo %d\n", standby.timer_minutes_lo);
+
+						if (ioctl(fd, IOC_FP_STANDBY, (fp_standby_data_t *)  &standby))
+							perror("IOC_FP_STANDBY");
+					}
+					else
+						printf("Error: brightness is out of range (0 ... 16)\n\n");
+				}
+				else if (sscanf(argv[x], "-is%X", &b) == 1)
+				{
+					if (ioctl(fd, IOC_FP_SET_ICON, (unsigned int)  b))
+						perror("IOC_FP_SET_ICON");
+				}
+				else if (sscanf(argv[x], "-ic%X", &b) == 1)
+				{
+					if (ioctl(fd, IOC_FP_CLEAR_ICON, (unsigned int)  b))
+						perror("IOC_FP_CLEAR_ICON");
+				}
+
+				else if (sscanf(argv[x], "-ps%X", &b) == 1)
+				{
+					if (ioctl(fd, IOC_FP_SET_OUTPUT, (unsigned char)  b))
+						perror("IOC_FP_SET_OUTPUT");
+				}
+				else if (sscanf(argv[x], "-pc%X", &b) == 1)
+				{
+					if (ioctl(fd, IOC_FP_CLEAR_OUTPUT, (unsigned char)  b))
+						perror("IOC_FP_CLEAR_OUTPUT");
+				}
+
+				else if (sscanf(argv[x], "-t%[^\n]", s) == 1)
+				{
+					if (ioctl(fd, IOC_FP_SET_TEXT, s))
+						perror("IOC_FP_SET_TEXT");
+				}
+				else if (sscanf(argv[x], "-ls%X", &b) == 1)
+				{
+					if ((b > 0) && (b <= 8))
+					{
+						if (ioctl(fd, IOC_FP_LED_CTRL, b | 0x80))
+							perror("IOC_FP_LED_CTRL");
+					}
+				}
+				else if (sscanf(argv[x], "-lc%X", &b) == 1)
+				{
+					if ((b > 0) && (b <= 8))
+					{
+						if (ioctl(fd, IOC_FP_LED_CTRL, b))
+							perror("IOC_FP_LED_CTRL");
+					}
+				}
+				else if (sscanf(argv[x], "-st%X", &b) == 1)
+				{
+					fp_standby_cmd_data_t pwr;
+					pwr.addr = 0;
+					pwr.cmd = b;
+					printf("standby command: %x\n", pwr.cmd);
+					fflush(stdout);
+
+					if (ioctl(fd, IOC_FP_STANDBY_CMD, &pwr))
+						perror("IOC_FP_STANDBY_CMD");
+				}
+
+				else if (argv[x][1] == 'c')
+				{
+					if (strlen(argv[x]) == 2)
+					{
+						if (ioctl(fd, IOC_FP_CLEAR_ALL, NULL))
+							perror("IOC_FP_CLEAR_ALL");
+					}
+					else
+					{
+						if (ioctl(fd, IOC_FP_SET_TEXT, NULL))
+							perror("IOC_FP_SET_TEXT");
+					}
+				}
+			}
+		}
+		close(fd);
 	}
-
-	memset(s, 0, 1024);
-
-	for (x = 1; x < argc; x++)
+	else
 	{
-	    if (argv[x][0] == '-')
-	    {
-		if (sscanf(argv[x], "-b%d", &b) == 1)
-		{
-		    if ((b < 16) && (b >= 0))
-		    {
-			if (ioctl(fd, IOC_FP_SET_BRIGHT, (unsigned char)  b))
-			    perror("IOC_FP_SET_BRIGHT");
-		    }
-		    else
-		        printf("Error: brightness is out of range (0 ... 16)\n\n");
-		}
-		else if (sscanf(argv[x], "-s%X:%X:%X", &b, &f, &timer) == 3)
-		{
-		    if ((b < 16) && (b >= 0))
-		    {
-			fp_standby_data_t standby;
-			char h[3], m[3];
-
-			t = time(NULL);
-			tmp = localtime(&t);
-			if (tmp == NULL) {
-			    perror("localtime");
-			}
-			if (strftime(h, sizeof(h), "%_H", tmp) == 0) {
-			    fprintf(stderr, "strftime returned 0\n");
-			}
-			if (strftime(m, sizeof(m), "%_M", tmp) == 0) {
-			    fprintf(stderr, "strftime returned 0\n");
-			}
-
-			standby.brightness          = b;
-			standby.flags               = f & 0xFF;
-			standby.current_hour        = atoi(h);
-			standby.current_minute      = atoi(m);
-			standby.timer_minutes_hi    = timer >> 8;
-			standby.timer_minutes_lo    = timer & 0xFF;
-			printf("brightness       %d\n", standby.brightness);
-			printf("flags            %02X\n", standby.flags);
-			printf("current_hour     %d\n", standby.current_hour);
-			printf("current_minute   %d\n", standby.current_minute);
-			printf("timer_minutes_hi %d\n", standby.timer_minutes_hi);
-			printf("timer_minutes_lo %d\n", standby.timer_minutes_lo);
-
-			if (ioctl(fd, IOC_FP_STANDBY, (fp_standby_data_t *)  &standby))
-			    perror("IOC_FP_STANDBY");
-		    }
-		    else
-		        printf("Error: brightness is out of range (0 ... 16)\n\n");
-		}
-		else if (sscanf(argv[x], "-is%X", &b) == 1)
-		{
-		    if (ioctl(fd, IOC_FP_SET_ICON, (unsigned int)  b))
-		        perror("IOC_FP_SET_ICON");
-		}
-		else if (sscanf(argv[x], "-ic%X", &b) == 1)
-		{
-		    if (ioctl(fd, IOC_FP_CLEAR_ICON, (unsigned int)  b))
-		        perror("IOC_FP_CLEAR_ICON");
-		}
-
-		else if (sscanf(argv[x], "-ps%X", &b) == 1)
-		{
-		    if (ioctl(fd, IOC_FP_SET_OUTPUT, (unsigned char)  b))
-		        perror("IOC_FP_SET_OUTPUT");
-		}
-		else if (sscanf(argv[x], "-pc%X", &b) == 1)
-		{
-		    if (ioctl(fd, IOC_FP_CLEAR_OUTPUT, (unsigned char)  b))
-		        perror("IOC_FP_CLEAR_OUTPUT");
-		}
-
-		else if (sscanf(argv[x], "-t%[^\n]", s) == 1)
-		{
-		    if (ioctl(fd, IOC_FP_SET_TEXT, s))
-		        perror("IOC_FP_SET_TEXT");
-		}
-		else if (sscanf(argv[x], "-ls%X", &b) == 1)
-		{
-		    if ((b > 0) && (b <= 8)) {
-			    if (ioctl(fd, IOC_FP_LED_CTRL, b | 0x80))
-			        perror("IOC_FP_LED_CTRL");
-		    }
-		}
-		else if (sscanf(argv[x], "-lc%X", &b) == 1)
-		{
-		    if ((b > 0) && (b <= 8)) {
-			    if (ioctl(fd, IOC_FP_LED_CTRL, b))
-			        perror("IOC_FP_LED_CTRL");
-		    }
-		}
-		else if (sscanf(argv[x], "-st%X", &b) == 1)
-		{
-		    fp_standby_cmd_data_t pwr;
-		    pwr.addr = 0;
-		    pwr.cmd = b;
-		    printf("standby command: %x\n", pwr.cmd);fflush(stdout);
-
-		    if (ioctl(fd, IOC_FP_STANDBY_CMD, &pwr))
-			    perror("IOC_FP_STANDBY_CMD");
-		}
-
-		else if (argv[x][1] == 'c')
-		{
-		    if (strlen(argv[x]) == 2)
-		    {
-			if (ioctl(fd, IOC_FP_CLEAR_ALL, NULL))
-			    perror("IOC_FP_CLEAR_ALL");
-		    }
-		    else
-		    {
-			if (ioctl(fd, IOC_FP_SET_TEXT, NULL))
-		    	    perror("IOC_FP_SET_TEXT");
-		    }
-		}
-	    }
+		printf("%s\n", argv[0]);
+		printf("dt - displaytest usage:\n"
+			"  -b<n>  set display brightness between 0 and 15\n"
+			"  -t<s>  write a UTF-8 text to the display\n"
+			"  -c     clear entire display\n"
+			"  -ct    clear text on the display\n"
+			"  -is<n> set icon\n"
+			"  -ic<n> clear icon\n"
+			"  -ps<n> set port\n"
+			"  -pc<n> clear port\n"
+			"  -ls<n> led n on\n"
+			"  -lc<n> led n off\n"
+			"  -s<n>:<n>:<n> sets the box into standby (brightness, flags, timer)\n"
+			"\n");
 	}
-	close(fd);
-    }
-    else
-    {
-	printf("%s\n", argv[0]);
-	printf("dt - displaytest usage:\n"
-	       "  -b<n>  set display brightness between 0 and 15\n"
-	       "  -t<s>  write a UTF-8 text to the display\n"
-	       "  -c     clear entire display\n"
-	       "  -ct    clear text on the display\n"
-	       "  -is<n> set icon\n"
-	       "  -ic<n> clear icon\n"
-	       "  -ps<n> set port\n"
-	       "  -pc<n> clear port\n"
-	       "  -ls<n> led n on\n"
-	       "  -lc<n> led n off\n"
-	       "  -s<n>:<n>:<n> sets the box into standby (brightness, flags, timer)\n"
-	       "\n");
-    }
-    return 0;
+	return 0;
 }