Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:44694 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583AbcGGSjJ (ORCPT ); Thu, 7 Jul 2016 14:39:09 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: linux-wireless@vger.kernel.org, ath9k-devel@qca.qualcomm.com, ath9k-devel@lists.ath9k.org, Vittorio Gambaletta , Kalle Valo , Kamal Mostafa Subject: [PATCH 3.19.y-ckt 18/99] ath9k: Add a module parameter to invert LED polarity. Date: Thu, 7 Jul 2016 11:37:17 -0700 Message-Id: <1467916718-18638-19-git-send-email-kamal@canonical.com> (sfid-20160707_210559_675393_39FFB943) In-Reply-To: <1467916718-18638-1-git-send-email-kamal@canonical.com> References: <1467916718-18638-1-git-send-email-kamal@canonical.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: 3.19.8-ckt23 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: "Vittorio Gambaletta (VittGam)" commit cd84042ce9040ad038e958bc67a46fcfc015c736 upstream. 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: Cc: Cc: Signed-off-by: Vittorio Gambaletta Signed-off-by: Kalle Valo Signed-off-by: Kamal Mostafa --- drivers/net/wireless/ath/ath9k/init.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index a218a00..d7c1a02 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -49,6 +49,10 @@ int led_blink; module_param_named(blink, 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"); @@ -582,6 +586,9 @@ 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: * -- 2.7.4