linux-kernel - [PATCH 9/9] backlight: atmel-pwm-bl: use gpio_request

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1382522143-32072-10-git-send-email-jhovold@gmail.com>
Date:	Wed, 23 Oct 2013 11:55:43 +0200
From:	Johan Hovold <jhovold@...il.com>
To:	Richard Purdie <rpurdie@...ys.net>,
	Jingoo Han <jg1.han@...sung.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Johan Hovold <jhovold@...il.com>
Subject: [PATCH 9/9] backlight: atmel-pwm-bl: use gpio_request_one

Use devm_gpio_request_one rather than requesting and setting direction
in two calls.

Acked-by: Jingoo Han <jg1.han@...sung.com>:w
Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/video/backlight/atmel-pwm-bl.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index 1277e0c..5ea2517 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -124,6 +124,7 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
 	const struct atmel_pwm_bl_platform_data *pdata;
 	struct backlight_device *bldev;
 	struct atmel_pwm_bl *pwmbl;
+	int flags;
 	int retval;
 
 	pdata = dev_get_platdata(&pdev->dev);
@@ -149,14 +150,14 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
 		return retval;
 
 	if (gpio_is_valid(pwmbl->gpio_on)) {
-		retval = devm_gpio_request(&pdev->dev, pwmbl->gpio_on,
-					"gpio_atmel_pwm_bl");
-		if (retval)
-			goto err_free_pwm;
-
 		/* Turn display off by default. */
-		retval = gpio_direction_output(pwmbl->gpio_on,
-				0 ^ pdata->on_active_low);
+		if (pdata->on_active_low)
+			flags = GPIOF_OUT_INIT_HIGH;
+		else
+			flags = GPIOF_OUT_INIT_LOW;
+
+		retval = devm_gpio_request_one(&pdev->dev, pwmbl->gpio_on,
+						flags, "gpio_atmel_pwm_bl");
 		if (retval)
 			goto err_free_pwm;
 	}
-- 
1.8.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/