Index: sys/dev/pwm/pwm_backlight.c
===================================================================
--- sys/dev/pwm/pwm_backlight.c
+++ sys/dev/pwm/pwm_backlight.c
@@ -72,7 +72,8 @@
 	bool		enabled;
 };
 
-static int pwm_backlight_find_level_per_percent(struct pwm_backlight_softc *sc, int percent);
+static int pwm_backlight_find_level_per_percent(struct pwm_backlight_softc *sc,
+    int percent);
 
 static struct ofw_compat_data compat_data[] = {
 	{ "pwm-backlight",	1 },
@@ -123,20 +124,26 @@
 
 		if (OF_getencprop(node, "default-brightness-level",
 		    &sc->default_level, sizeof(uint32_t)) <= 0) {
-			device_printf(dev, "No default-brightness-level while brightness-levels is specified\n");
+			device_printf(dev, "No default-brightness-level " \
+			   " while brightness-levels is specified\n");
 			return (ENXIO);
 		} else {
 			if (sc->default_level > sc->nlevels) {
-				device_printf(dev, "default-brightness-level isn't present in brightness-levels range\n");
+				device_printf(dev, "default-brightness-level " \
+				    " isn't present in brightness-levels range\n");
 				return (ENXIO);
 			}
-			sc->channel->duty = sc->channel->period * sc->levels[sc->default_level] / 100;
+			sc->channel->duty = sc->channel->period *
+			    sc->levels[sc->default_level] / 100;
 		}
 
 		if (bootverbose) {
-			device_printf(dev, "Number of levels: %zd\n", sc->nlevels);
-			device_printf(dev, "Configured period time: %ju\n", (uintmax_t)sc->channel->period);
-			device_printf(dev, "Default duty cycle: %ju\n", (uintmax_t)sc->channel->duty);
+			device_printf(dev, "Number of levels: %zd\n",
+			    sc->nlevels);
+			device_printf(dev, "Configured period time: %ju\n",
+			    (uintmax_t)sc->channel->period);
+			device_printf(dev, "Default duty cycle: %ju\n",
+			    (uintmax_t)sc->channel->duty);
 		}
 	} else {
 		/* Get the current backlight level */
@@ -147,8 +154,10 @@
 		if (sc->channel->duty > sc->channel->period)
 			sc->channel->duty = sc->channel->period;
 		if (bootverbose) {
-			device_printf(dev, "Configured period time: %ju\n", (uintmax_t)sc->channel->period);
-			device_printf(dev, "Default duty cycle: %ju\n", (uintmax_t)sc->channel->duty);
+			device_printf(dev, "Configured period time: %ju\n",
+			    (uintmax_t)sc->channel->period);
+			device_printf(dev, "Default duty cycle: %ju\n",
+			    (uintmax_t)sc->channel->duty);
 		}
 	}
 
@@ -156,11 +165,13 @@
 	sc->channel->enabled = true;
 	PWMBUS_CHANNEL_CONFIG(sc->channel->dev, sc->channel->channel,
 	    sc->channel->period, sc->channel->duty);
+	PWMBUS_CHANNEL_SET_FLAGS(sc->channel->dev, sc->channel->channel,
+	    sc->channel->flags);
 	PWMBUS_CHANNEL_ENABLE(sc->channel->dev, sc->channel->channel,
 	    sc->channel->enabled);
 
 	sc->current_level = pwm_backlight_find_level_per_percent(sc,
-	    sc->channel->period / sc->channel->duty);
+	    100 * sc->channel->duty / sc->channel->period);
 	sc->cdev = backlight_register("pwm_backlight", dev);
 	if (sc->cdev == NULL)
 		device_printf(dev, "Cannot register as a backlight\n");
@@ -265,7 +276,8 @@
 		for (i = 0; i < sc->nlevels; i++)
 			props->levels[i] = sc->levels[i];
 	} else {
-		props->brightness = sc->channel->duty * 100 / sc->channel->period;
+		props->brightness =
+		    sc->channel->duty * 100 / sc->channel->period;
 		props->nlevels = 0;
 	}
 	return (0);