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path: root/package/kernel/mac80211/patches/rt2x00/610-rt2x00-change-led-polarity-from-OF.patch
blob: ed2f6173b52a347d81497abc7e24799c0b76f373 (plain)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -25,6 +25,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 #include "rt2x00.h"
 #include "rt2800lib.h"
@@ -9526,6 +9527,17 @@ static int rt2800_init_eeprom(struct rt2
 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
 
+	{
+		struct device_node *np = rt2x00dev->dev->of_node;
+		unsigned int led_polarity;
+
+		/* Allow overriding polarity from OF */
+		if (!of_property_read_u32(np, "ralink,led-polarity",
+					  &led_polarity))
+			rt2x00_set_field16(&eeprom, EEPROM_FREQ_LED_POLARITY,
+					   led_polarity);
+	}
+
 	rt2x00dev->led_mcu_reg = eeprom;
 #endif /* CPTCFG_RT2X00_LIB_LEDS */
 
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00leds.c
@@ -98,6 +98,9 @@ static int rt2x00leds_register_led(struc
 	led->led_dev.name = name;
 	led->led_dev.brightness = LED_OFF;
 
+	if (rt2x00_is_soc(rt2x00dev))
+		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
+
 	retval = led_classdev_register(device, &led->led_dev);
 	if (retval) {
 		rt2x00_err(rt2x00dev, "Failed to register led handler\n");