[PATCH v2] extcon: palmas: Fix build break due to devm_gpiod_get_optional API change

[Chanwoo Choi]

"With commit b17d1bf16cc7 ("gpio: make flags mandatory for gpiod_get functions")
it becomes necessary to pass the flags argument. And this patch add the gpio
header file to fix the build break when use random configuration file.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
 drivers/extcon/extcon-palmas.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
index 662e91778cb0..93c30a885740 100644
--- a/drivers/extcon/extcon-palmas.c
+++ b/drivers/extcon/extcon-palmas.c
@@ -29,6 +29,7 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/workqueue.h>
 
 #define USB_GPIO_DEBOUNCE_MS	20	/* ms */
@@ -208,7 +209,8 @@ static int palmas_usb_probe(struct platform_device *pdev)
 			palmas_usb->wakeup = pdata->wakeup;
 	}
 
-	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id");
+	palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",
+							GPIOD_IN);
 	if (IS_ERR(palmas_usb->id_gpiod)) {
 		dev_err(&pdev->dev, "failed to get id gpio\n");
 		return PTR_ERR(palmas_usb->id_gpiod);
-- 
1.8.5.5

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