Enable pinctrl support for gpio-keys.

Signed-off-by: Pantelis Antoniou <pa...@antoniou-consulting.com>
---
 drivers/input/keyboard/gpio_keys.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/input/keyboard/gpio_keys.c 
b/drivers/input/keyboard/gpio_keys.c
index 6a68041..e421082 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -29,6 +29,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
 #include <linux/spinlock.h>
+#include <linux/pinctrl/consumer.h>
 
 struct gpio_button_data {
        const struct gpio_keys_button *button;
@@ -666,6 +667,7 @@ static int __devinit gpio_keys_probe(struct platform_device 
*pdev)
        struct input_dev *input;
        int i, error;
        int wakeup = 0;
+       struct pinctrl *pinctrl;
 
        if (!pdata) {
                pdata = gpio_keys_get_devtree_pdata(dev);
@@ -731,6 +733,10 @@ static int __devinit gpio_keys_probe(struct 
platform_device *pdev)
                goto fail3;
        }
 
+       pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
+       if (IS_ERR(pinctrl))
+               dev_warn(&pdev->dev, "unable to select pin group\n");
+
        /* get current state of buttons that are connected to GPIOs */
        for (i = 0; i < pdata->nbuttons; i++) {
                struct gpio_button_data *bdata = &ddata->data[i];
-- 
1.7.12

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