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extcon: usb-gpio: add support for ACPI gpio interface 

GPIO resource could be retrieved through APCI as well.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Felipe Balbi <balbi@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
hifive-unleashed-5.1
Lu Baolu 2016-04-26 08:35:54 +09:00 committed by Chanwoo Choi
parent 058b6659e9
commit 942c7924a5
1 changed files with 2 additions and 1 deletions
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3
drivers/extcon/extcon-usb-gpio.c
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@ -27,6 +27,7 @@
#include <linux/pm_wakeirq.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/acpi.h>
#define USB_GPIO_DEBOUNCE_MS 20 /* ms */
@ -92,7 +93,7 @@ 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);