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Commit cd84042c authored by Vittorio Gambaletta (VittGam)'s avatar Vittorio Gambaletta (VittGam) Committed by Kalle Valo
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ath9k: Add a module parameter to invert LED polarity. 



The LED can be active high instead of active low on some hardware.

Add the led_active_high module parameter. It defaults to -1 to obey
platform data as before.

Setting the parameter to 1 or 0 will force the LED respectively
active high or active low.

Cc: <linux-wireless@vger.kernel.org>
Cc: <ath9k-devel@qca.qualcomm.com>
Cc: <ath9k-devel@lists.ath9k.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarVittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 1fe63c9c

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

+7 −0
Original line number Diff line number Diff line
@@ -49,6 +49,10 @@ int ath9k_led_blink; 
module_param_named(blink, ath9k_led_blink, int, 0444);

MODULE_PARM_DESC(blink, "Enable LED blink on activity");



static int ath9k_led_active_high = -1;

module_param_named(led_active_high, ath9k_led_active_high, int, 0444);

MODULE_PARM_DESC(led_active_high, "Invert LED polarity");



static int ath9k_btcoex_enable;

module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);

MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
@@ -600,6 +604,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, 
	if (ret)

		return ret;



	if (ath9k_led_active_high != -1)

		ah->config.led_active_high = ath9k_led_active_high == 1;



	/*

	 * Enable WLAN/BT RX Antenna diversity only when:

	 *