Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758647Ab3J2QaB (ORCPT ); Tue, 29 Oct 2013 12:30:01 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:54425 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758279Ab3J2Q2O (ORCPT ); Tue, 29 Oct 2013 12:28:14 -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 Subject: [PATCH v2 7/9] backlight: atmel-pwm-bl: use gpio_is_valid Date: Tue, 29 Oct 2013 17:27:42 +0100 Message-Id: <1383064064-4983-8-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1383064064-4983-1-git-send-email-jhovold@gmail.com> References: <1382522143-32072-1-git-send-email-jhovold@gmail.com> <1383064064-4983-1-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: 1962 Lines: 57 Use gpio_is_valid rather than open coding the more restrictive != -1 test. Acked-by: Jingoo Han Signed-off-by: Johan Hovold --- drivers/video/backlight/atmel-pwm-bl.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index bfd6a96..c254209 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -48,7 +48,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) pwm_duty = pwmbl->pdata->pwm_duty_min; if (!intensity) { - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 0 ^ pwmbl->pdata->on_active_low); } @@ -57,7 +57,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) } else { pwm_channel_enable(&pwmbl->pwmc); pwm_channel_writel(&pwmbl->pwmc, PWM_CUPD, pwm_duty); - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 1 ^ pwmbl->pdata->on_active_low); } @@ -146,7 +146,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) if (retval) return retval; - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on, "gpio_atmel_pwm_bl"); if (retval) @@ -196,7 +196,7 @@ static int atmel_pwm_bl_remove(struct platform_device *pdev) { struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev); - if (pwmbl->gpio_on != -1) { + if (gpio_is_valid(pwmbl->gpio_on)) { gpio_set_value(pwmbl->gpio_on, 0 ^ pwmbl->pdata->on_active_low); } -- 1.8.4.2 -- 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/