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Commit 9a75c2ff authored by Vivek Natarajan's avatar Vivek Natarajan Committed by John W. Linville
Browse files

ath9k: Add a module parameter to disable led blinking. 



Some vendors require the LED to be ON always irrespective of any
radio activity. Introducing a module parameter to disable blinking,
so that one can choose between always on or led blink during
activity.

Signed-off-by: default avatarVivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ee031112

drivers/net/wireless/ath/ath9k/ath9k.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/net/wireless/ath/ath9k/gpio.c

+6 −3
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ 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;

			if (led_blink)

				ieee80211_queue_delayed_work(sc->hw,

						     &sc->ath_led_blink_work, 0);

		} else if (led->led_type == ATH_LED_RADIO) {
@@ -143,6 +144,7 @@ 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);



	if (led_blink)

		INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);



	trigger = ieee80211_get_radio_led_name(sc->hw);
@@ -180,6 +182,7 @@ void ath_init_leds(struct ath_softc *sc) 
	return;



fail:

	if (led_blink)

		cancel_delayed_work_sync(&sc->ath_led_blink_work);

	ath_deinit_leds(sc);

}

drivers/net/wireless/ath/ath9k/init.c

+4 −0
Original line number Diff line number Diff line
@@ -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 = 1;

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)  { \

drivers/net/wireless/ath/ath9k/main.c

+3 −1
Original line number Diff line number Diff line
@@ -1241,7 +1241,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) 


	aphy->state = ATH_WIPHY_INACTIVE;



	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);