diff --git a/doc/powertop.8 b/doc/powertop.8

index 4a2f0b0..0f460ec 100644

--- a/doc/powertop.8

+++ b/doc/powertop.8

@@ -14,7 +14,10 @@ experiment with various power management settings. When invoking powertop

 without arguments powertop starts in interactive mode.

 .SH OPTIONS

 .TP

-\fB\-\-calibrate

+.B \-\-auto\-tune

+Set all tunable options to their good setting without interaction.

+.TP

+.BR \-c ", " \-\-calibrate

 runs powertop in calibration mode. When running on battery, powertop

 can track power consumption as well as system activity. When there

 are enough measurements, powertop can start to report power estimates. One

diff --git a/src/main.cpp b/src/main.cpp

index 16b1613..9da3167 100644

--- a/src/main.cpp

+++ b/src/main.cpp

@@ -75,6 +75,7 @@ static const struct option long_options[] =

 	{"version", no_argument, NULL, 'V'},

 	{"help",no_argument, NULL, 'u'}, /* u for usage */

 	{"calibrate",no_argument, NULL, 'c'},

+	{"auto-tune",no_argument, NULL, 'a'},

 	{"html", optional_argument, NULL, 'h'},

 	{"csv", optional_argument, NULL, 'C'},

 	{"extech", optional_argument, NULL, 'e'},

@@ -110,6 +111,7 @@ static void print_usage()

 	printf("--debug \t\t %s\n",_("run in \"debug\" mode"));

 	printf("--version \t\t %s\n",_("print version information"));

 	printf("--calibrate \t\t %s\n",_("runs powertop in calibration mode"));

+	printf("--auto-tune \t\t %s\n",_("Sets all tunable options to their GOOD setting"));

 	printf("--extech%s \t %s\n",_("[=devnode]"),_("uses an Extech Power Analyzer for measurements"));

 	printf("--html%s \t %s\n",_("[=FILENAME]"),_("generate a html report"));

 	printf("--csv%s \t %s\n",_("[=FILENAME]"),_("generate a csv report"));

@@ -362,7 +364,7 @@ int main(int argc, char **argv)

 	int c;

 	char filename[4096];

 	char workload[4096] = {0,};

-	int  iterations = 1;

+	int  iterations = 1, auto_tune = 0;

 	set_new_handler(out_of_memory);

@@ -390,7 +392,10 @@ int main(int argc, char **argv)

 				print_usage();

 				exit(0);

 				break;

-

+			case 'a':

+				auto_tune = 1;

+				leave_powertop = 1;

+				break;

 			case 'c':

 				powertop_init();

 				calibrate();

@@ -446,20 +451,27 @@ int main(int argc, char **argv)

 		end_pci_access();

 		exit(0);

 	}

-

+	if (!auto_tune)

+		init_display();

+	initialize_tuning();

 	/* first one is short to not let the user wait too long */

-	init_display();

 	one_measurement(1, NULL);

-	initialize_tuning();

-	tuning_update_display();

-	show_tab(0);

+

+	if (!auto_tune) {

+		tuning_update_display();

+		show_tab(0);

+	} else {

+		auto_toggle_tuning();

+	}

 	while (!leave_powertop) {

-		show_cur_tab();

+		if (!auto_tune)

+			show_cur_tab();

 		one_measurement(time_out, NULL);

 		learn_parameters(15, 0);

 	}

-	endwin();

+	if (!auto_tune)

+		endwin();

 	printf("%s\n", _("Leaving PowerTOP"));

 	end_process_data();

diff --git a/src/tuning/tuning.cpp b/src/tuning/tuning.cpp

index 08d8251..ff3d715 100644

--- a/src/tuning/tuning.cpp

+++ b/src/tuning/tuning.cpp

@@ -273,3 +273,11 @@ void clear_tuning()

 	}

 	all_untunables.clear();

 }

+

+void auto_toggle_tuning()

+{

+	for (unsigned int i = 0; i < all_tunables.size(); i++) {

+		if (all_tunables[i]->good_bad() == TUNE_BAD)

+			all_tunables[i]->toggle();

+	}

+}

diff --git a/src/tuning/tuning.h b/src/tuning/tuning.h

index 7c4921f..f70001b 100644

--- a/src/tuning/tuning.h

+++ b/src/tuning/tuning.h

@@ -29,7 +29,5 @@ extern void initialize_tuning(void);

 extern void tuning_update_display(void);

 extern void report_show_tunables(void);

 extern void clear_tuning(void);

-

-

-

+extern void auto_toggle_tuning(void);

 #endif