Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753556Ab3JWJ7D (ORCPT ); Wed, 23 Oct 2013 05:59:03 -0400 Received: from mail-lb0-f172.google.com ([209.85.217.172]:44666 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752834Ab3JWJ4B (ORCPT ); Wed, 23 Oct 2013 05:56:01 -0400 From: Johan Hovold To: Richard Purdie , Jingoo Han Cc: Nicolas Ferre , Tomi Valkeinen , Jean-Christophe Plagniol-Villard , Andrew Morton , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH 2/9] backlight: atmel-pwm-bl: fix gpio polarity in remove Date: Wed, 23 Oct 2013 11:55:36 +0200 Message-Id: <1382522143-32072-3-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1382522143-32072-1-git-send-email-jhovold@gmail.com> References: <1382522143-32072-1-git-send-email-jhovold@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1216 Lines: 35 Make sure to honour gpio polarity also at remove so that the backlight is actually disabled on boards with active-low enable pin. Cc: stable@vger.kernel.org Acked-by: Jingoo Han Signed-off-by: Johan Hovold --- drivers/video/backlight/atmel-pwm-bl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index 8aac273..3cb0094 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -205,8 +205,10 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev) { struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - if (pwmbl->gpio_on != -1) - gpio_set_value(pwmbl->gpio_on, 0); + if (pwmbl->gpio_on != -1) { + gpio_set_value(pwmbl->gpio_on, + 0 ^ pwmbl->pdata->on_active_low); + } pwm_channel_disable(&pwmbl->pwmc); pwm_channel_free(&pwmbl->pwmc); -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/