openwrtv4/package/mac80211/patches/620-rt2x00_soc_led_support.patch

--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -938,6 +938,7 @@ EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
 static void rt2800_brightness_set(struct led_classdev *led_cdev,
 				  enum led_brightness brightness)
 {
+	u32 reg;
 	struct rt2x00_led *led =
 	    container_of(led_cdev, struct rt2x00_led, led_dev);
 	unsigned int enabled = brightness != LED_OFF;
@@ -950,24 +951,46 @@ static void rt2800_brightness_set(struct
 		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
 				   EEPROM_FREQ_LED_MODE);
 
-	if (led->type == LED_TYPE_RADIO) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? 0x20 : 0);
-	} else if (led->type == LED_TYPE_ASSOC) {
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
-				      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
-	} else if (led->type == LED_TYPE_QUALITY) {
-		/*
-		 * The brightness is divided into 6 levels (0 - 5),
-		 * The specs tell us the following levels:
-		 *	0, 1 ,3, 7, 15, 31
-		 * to determine the level in a simple way we can simply
-		 * work with bitshifting:
-		 *	(1 << level) - 1
-		 */
-		rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
-				      (1 << brightness / (LED_FULL / 6)) - 1,
-				      polarity);
+	/* Check for SoC (SOC devices don't support MCU requests) */
+	if (rt2x00_is_soc(led->rt2x00dev)) {
+		rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
+
+		/* Set LED Polarity */
+		rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
+
+		/* Set LED Mode */
+		if (led->type == LED_TYPE_RADIO) {
+			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
+					   enabled ? 3 : 0);
+		} else if (led->type == LED_TYPE_ASSOC) {
+			rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
+					   enabled ? 3 : 0);
+		} else if (led->type == LED_TYPE_QUALITY) {
+			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
+					   enabled ? 3 : 0);
+		}
+		rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
+	}
+	else {
+		if (led->type == LED_TYPE_RADIO) {
+			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+					enabled ? 0x20 : 0);
+		} else if (led->type == LED_TYPE_ASSOC) {
+			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
+					enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
+		} else if (led->type == LED_TYPE_QUALITY) {
+			/*
+			* The brightness is divided into 6 levels (0 - 5),
+			* The specs tell us the following levels:
+			*	0, 1 ,3, 7, 15, 31
+			* to determine the level in a simple way we can simply
+			* work with bitshifting:
+			*	(1 << level) - 1
+			*/
+			rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
+					(1 << brightness / (LED_FULL / 6)) - 1,
+					polarity);
+		}
 	}
 }