linux-kernel - [PATCH 1/4] extcon: gpio: Convert the driver to use gpio desc API's

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Message-ID: <1415032350-8459-2-git-send-email-balbi@ti.com>
Date:	Mon, 3 Nov 2014 10:32:27 -0600
From:	Felipe Balbi <balbi@...com>
To:	<myungjoo.ham@...sung.com>, <cw00.choi@...sung.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	<nsekhar@...com>, <grant.likely@...aro.org>,
	George Cherian <george.cherian@...com>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 1/4] extcon: gpio: Convert the driver to use gpio desc API's

From: George Cherian <george.cherian@...com>

Convert the driver to use gpiod_* API's.

Reviewed-by: Roger Quadros <rogerq@...com>
Signed-off-by: George Cherian <george.cherian@...com>
Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Felipe Balbi <balbi@...com>
---
 drivers/extcon/extcon-gpio.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index 72f19a3..70e3fc7 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -33,8 +33,7 @@
 
 struct gpio_extcon_data {
 	struct extcon_dev *edev;
-	unsigned gpio;
-	bool gpio_active_low;
+	struct gpio_desc *gpiod;
 	const char *state_on;
 	const char *state_off;
 	int irq;
@@ -50,9 +49,7 @@ static void gpio_extcon_work(struct work_struct *work)
 		container_of(to_delayed_work(work), struct gpio_extcon_data,
 			     work);
 
-	state = gpio_get_value(data->gpio);
-	if (data->gpio_active_low)
-		state = !state;
+	state = gpiod_get_value(data->gpiod);
 	extcon_set_state(data->edev, state);
 }
 
@@ -106,21 +103,20 @@ static int gpio_extcon_probe(struct platform_device *pdev)
 	}
 	extcon_data->edev->name = pdata->name;
 
-	extcon_data->gpio = pdata->gpio;
-	extcon_data->gpio_active_low = pdata->gpio_active_low;
+	extcon_data->gpiod = gpio_to_desc(pdata->gpio);
 	extcon_data->state_on = pdata->state_on;
 	extcon_data->state_off = pdata->state_off;
 	extcon_data->check_on_resume = pdata->check_on_resume;
 	if (pdata->state_on && pdata->state_off)
 		extcon_data->edev->print_state = extcon_gpio_print_state;
 
-	ret = devm_gpio_request_one(&pdev->dev, extcon_data->gpio, GPIOF_DIR_IN,
+	ret = devm_gpio_request_one(&pdev->dev, pdata->gpio, GPIOF_DIR_IN,
 				    pdev->name);
 	if (ret < 0)
 		return ret;
 
 	if (pdata->debounce) {
-		ret = gpio_set_debounce(extcon_data->gpio,
+		ret = gpiod_set_debounce(extcon_data->gpiod,
 					pdata->debounce * 1000);
 		if (ret < 0)
 			extcon_data->debounce_jiffies =
@@ -133,7 +129,7 @@ static int gpio_extcon_probe(struct platform_device *pdev)
 
 	INIT_DELAYED_WORK(&extcon_data->work, gpio_extcon_work);
 
-	extcon_data->irq = gpio_to_irq(extcon_data->gpio);
+	extcon_data->irq = gpiod_to_irq(extcon_data->gpiod);
 	if (extcon_data->irq < 0)
 		return extcon_data->irq;
 
-- 
2.1.0.GIT

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