linux-kernel - [PATCH] Input: gpio_keys_polled - switch to using gpio_request

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Date:	Thu, 29 Nov 2012 09:36:44 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	linux-input@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Alexander Shiyan <shc_work@...l.ru>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Input: gpio_keys_polled - switch to using gpio_request_one()

This saves us a few lines of code.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/input/keyboard/gpio_keys_polled.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index d72d0e5..f686fd9 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -270,22 +270,14 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
 			goto err_free_gpio;
 		}
 
-		error = gpio_request(gpio,
-				     button->desc ? button->desc : DRV_NAME);
+		error = gpio_request_one(gpio, GPIOF_IN,
+					 button->desc ?: DRV_NAME);
 		if (error) {
 			dev_err(dev, "unable to claim gpio %u, err=%d\n",
 				gpio, error);
 			goto err_free_gpio;
 		}
 
-		error = gpio_direction_input(gpio);
-		if (error) {
-			dev_err(dev,
-				"unable to set direction on gpio %u, err=%d\n",
-				gpio, error);
-			goto err_free_gpio;
-		}
-
 		bdata->can_sleep = gpio_cansleep(gpio);
 		bdata->last_state = -1;
 		bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
-- 
1.7.11.7


-- 
Dmitry
--
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