ath9k: Modify LED blinking pattern during wifi activity.

Commit Message

Vivek Natarajan June 15, 2010, 5:20 a.m. UTC

None

Patch

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 8d163ae..3a14630 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -628,6 +628,7 @@  static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 
 extern struct ieee80211_ops ath9k_ops;
 extern int modparam_nohwcrypt;
+extern int led_blink;
 
 irqreturn_t ath_isr(int irq, void *dev);
 int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
index 0ee75e7..3a8ee99 100644
--- a/drivers/net/wireless/ath/ath9k/gpio.c
+++ b/drivers/net/wireless/ath/ath9k/gpio.c
@@ -76,7 +76,8 @@  static void ath_led_brightness(struct led_classdev *led_cdev,
 	case LED_FULL:
 		if (led->led_type == ATH_LED_ASSOC) {
 			sc->sc_flags |= SC_OP_LED_ASSOCIATED;
-			ieee80211_queue_delayed_work(sc->hw,
+			if (led_blink)
+				ieee80211_queue_delayed_work(sc->hw,
 						     &sc->ath_led_blink_work, 0);
 		} else if (led->led_type == ATH_LED_RADIO) {
 			ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
@@ -143,7 +144,8 @@  void ath_init_leds(struct ath_softc *sc)
 	/* LED off, active low */
 	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
 
-	INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
+	if (led_blink)
+		INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
 
 	trigger = ieee80211_get_radio_led_name(sc->hw);
 	snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
@@ -180,7 +182,8 @@  void ath_init_leds(struct ath_softc *sc)
 	return;
 
 fail:
-	cancel_delayed_work_sync(&sc->ath_led_blink_work);
+	if (led_blink)
+		cancel_delayed_work_sync(&sc->ath_led_blink_work);
 	ath_deinit_leds(sc);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 514a401..b2bf0e8 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -33,6 +33,10 @@  int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
+int led_blink;
+module_param_named(blink, led_blink, int, 0444);
+MODULE_PARM_DESC(blink, "Enable LED blink on activity");
+
 /* We use the hw_value as an index into our private channel structure */
 
 #define CHAN2G(_freq, _idx)  { \
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c8de50f..5af2596 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1241,7 +1241,9 @@  static void ath9k_stop(struct ieee80211_hw *hw)
 
 	aphy->state = ATH_WIPHY_INACTIVE;
 
-	cancel_delayed_work_sync(&sc->ath_led_blink_work);
+	if (led_blink)
+		cancel_delayed_work_sync(&sc->ath_led_blink_work);
+
 	cancel_delayed_work_sync(&sc->tx_complete_work);
 	cancel_work_sync(&sc->paprd_work);