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path: root/drivers/usb/gadget/pxa2xx_udc.c
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Diffstat (limited to 'drivers/usb/gadget/pxa2xx_udc.c')
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 4abf9d2..8bd9ce2 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -127,8 +127,10 @@ static int is_vbus_present(void)
{
struct pxa2xx_udc_mach_info *mach = the_controller->mach;
- if (mach->gpio_vbus)
- return gpio_get_value(mach->gpio_vbus);
+ if (mach->gpio_vbus) {
+ int value = gpio_get_value(mach->gpio_vbus);
+ return mach->gpio_vbus_inverted ? !value : value;
+ }
if (mach->udc_is_connected)
return mach->udc_is_connected();
return 1;
@@ -1398,6 +1400,9 @@ static irqreturn_t udc_vbus_irq(int irq, void *_dev)
struct pxa2xx_udc *dev = _dev;
int vbus = gpio_get_value(dev->mach->gpio_vbus);
+ if (dev->mach->gpio_vbus_inverted)
+ vbus = !vbus;
+
pxa2xx_udc_vbus_session(&dev->gadget, vbus);
return IRQ_HANDLED;
}