[linux-yocto] [PATCH 2/9] extcon: usb-gpio: add support for ACPI gpio interface

[wan.ahmad.zainie.wan.mohamad at intel.com]

From: Lu Baolu <baolu.lu at linux.intel.com>

GPIO resource could be retrieved through APCI as well.

Signed-off-by: Lu Baolu <baolu.lu at linux.intel.com>
Reviewed-by: Felipe Balbi <balbi at kernel.org>
Acked-by: Chanwoo Choi <cw00.choi at samsung.com>
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad at intel.com>
---
 drivers/extcon/extcon-usb-gpio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
index d7f8a64..ec624f4 100644
--- a/drivers/extcon/extcon-usb-gpio.c
+++ b/drivers/extcon/extcon-usb-gpio.c
@@ -24,6 +24,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
+#include <linux/acpi.h>
 
 #define USB_GPIO_DEBOUNCE_MS	20	/* ms */
 
@@ -89,7 +90,7 @@ static int usb_extcon_probe(struct platform_device *pdev)
 	struct usb_extcon_info *info;
 	int ret;
 
-	if (!np)
+	if (!np && !ACPI_HANDLE(dev))
 		return -EINVAL;
 
 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
-- 
1.9.1