1 files changed, 16 insertions, 1 deletions

diff --git a/hw/misc/led.c b/hw/misc/led.c
index 1e2f49c571..c5fa09a613 100644
--- a/hw/misc/led.c
+++ b/hw/misc/led.c
@@ -10,6 +10,7 @@
 #include "migration/vmstate.h"
 #include "hw/qdev-properties.h"
 #include "hw/misc/led.h"
+#include "hw/irq.h"
 #include "trace.h"
 
 #define LED_INTENSITY_PERCENT_MAX   100
@@ -53,11 +54,19 @@ void led_set_state(LEDState *s, bool is_emitting)
     led_set_intensity(s, is_emitting ? LED_INTENSITY_PERCENT_MAX : 0);
 }
 
+static void led_set_state_gpio_handler(void *opaque, int line, int new_state)
+{
+    LEDState *s = LED(opaque);
+
+    assert(line == 0);
+    led_set_state(s, !!new_state != s->gpio_active_high);
+}
+
 static void led_reset(DeviceState *dev)
 {
     LEDState *s = LED(dev);
 
-    led_set_state(s, false);
+    led_set_state(s, s->gpio_active_high);
 }
 
 static const VMStateDescription vmstate_led = {
@@ -84,11 +93,14 @@ static void led_realize(DeviceState *dev, Error **errp)
     if (s->description == NULL) {
         s->description = g_strdup("n/a");
     }
+
+    qdev_init_gpio_in(DEVICE(s), led_set_state_gpio_handler, 1);
 }
 
 static Property led_properties[] = {
     DEFINE_PROP_STRING("color", LEDState, color),
     DEFINE_PROP_STRING("description", LEDState, description),
+    DEFINE_PROP_BOOL("gpio-active-high", LEDState, gpio_active_high, true),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -119,6 +131,7 @@ static void led_register_types(void)
 type_init(led_register_types)
 
 LEDState *led_create_simple(Object *parentobj,
+                            GpioPolarity gpio_polarity,
                             LEDColor color,
                             const char *description)
 {
@@ -126,6 +139,8 @@ LEDState *led_create_simple(Object *parentobj,
     DeviceState *dev;
 
     dev = qdev_new(TYPE_LED);
+    qdev_prop_set_bit(dev, "gpio-active-high",
+                      gpio_polarity == GPIO_POLARITY_ACTIVE_HIGH);
     qdev_prop_set_string(dev, "color", led_color_name[color]);
     if (!description) {
         static unsigned undescribed_led_id;