diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/atmel_usba_udc.c | 5 | ||||
| -rw-r--r-- | drivers/usb/gadget/atmel_usba_udc.h | 1 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 976822f50c70..f79bdfe4bed9 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -320,7 +320,7 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc) static int vbus_is_present(struct usba_udc *udc) { if (gpio_is_valid(udc->vbus_pin)) - return gpio_get_value(udc->vbus_pin); + return gpio_get_value(udc->vbus_pin) ^ udc->vbus_pin_inverted; /* No Vbus detection: Assume always present */ return 1; @@ -1763,7 +1763,7 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid) if (!udc->driver) goto out; - vbus = gpio_get_value(udc->vbus_pin); + vbus = vbus_is_present(udc); if (vbus != udc->vbus_prev) { if (vbus) { toggle_bias(1); @@ -2000,6 +2000,7 @@ static int __init usba_udc_probe(struct platform_device *pdev) if (gpio_is_valid(pdata->vbus_pin)) { if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) { udc->vbus_pin = pdata->vbus_pin; + udc->vbus_pin_inverted = pdata->vbus_pin_inverted; ret = request_irq(gpio_to_irq(udc->vbus_pin), usba_vbus_irq, 0, diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h index f7baea307f0d..88a2e07a11a8 100644 --- a/drivers/usb/gadget/atmel_usba_udc.h +++ b/drivers/usb/gadget/atmel_usba_udc.h @@ -323,6 +323,7 @@ struct usba_udc { struct platform_device *pdev; int irq; int vbus_pin; + int vbus_pin_inverted; struct clk *pclk; struct clk *hclk; |