static ssize_t bcmpmu_otg_xceiv_wake_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_gadget *gadget;
ssize_t result = 0;
unsigned int val;
struct bcmpmu_otg_xceiv_data *xceiv_data = dev_get_drvdata(dev);
int error;
gadget = xceiv_data->otg_xceiver.xceiver.gadget;
result = sscanf(buf, "%02x\n", &val);
if (result != 1) {
result = -EINVAL;
} else if (val == 0) {
dev_warn(xceiv_data->dev, "Illegal value\n");
} else {
dev_info(xceiv_data->dev, "Waking up host\n");
/* Bring core out of suspend */
bcm_hsotgctrl_wakeup_core();
error = usb_gadget_wakeup(gadget);
if (error)
dev_err(xceiv_data->dev,
"Failed to issue wakeup\n");
}
return result < 0 ? result : count;
}
static void zero_autoresume(unsigned long _dev)
{
struct zero_dev *dev = (struct zero_dev *) _dev;
int status;
/* normally the host would be woken up for something
* more significant than just a timer firing...
*/
if (dev->gadget->speed != USB_SPEED_UNKNOWN) {
status = usb_gadget_wakeup(dev->gadget);
DBG(dev, "wakeup --> %d\n", status);
}
}
static void zero_autoresume(unsigned long _c)
{
struct usb_composite_dev *cdev = (void *)_c;
struct usb_gadget *g = cdev->gadget;
if (!cdev->config)
return;
if (g->speed != USB_SPEED_UNKNOWN) {
int status = usb_gadget_wakeup(g);
INFO(cdev, "%s --> %d\n", __func__, status);
}
}
static void zero_autoresume(unsigned long _c)
{
struct usb_composite_dev *cdev = (void *)_c;
struct usb_gadget *g = cdev->gadget;
/* unconfigured devices can't issue wakeups */
if (!cdev->config)
return;
/* Normally the host would be woken up for something
* more significant than just a timer firing; likely
* because of some direct user request.
*/
if (g->speed != USB_SPEED_UNKNOWN) {
int status = usb_gadget_wakeup(g);
INFO(cdev, "%s --> %d\n", __func__, status);
}
}
static int bam_data_wake_cb(void *param)
{
struct bam_data_port *port = (struct bam_data_port *)param;
struct data_port *d_port = port->port_usb;
pr_debug("%s: woken up by peer\n", __func__);
if (!d_port) {
pr_err("FAILED: d_port == NULL");
return -ENODEV;
}
if (!d_port->cdev) {
pr_err("FAILED: d_port->cdev == NULL");
return -ENODEV;
}
if (!d_port->cdev->gadget) {
pr_err("FAILED: d_port->cdev->gadget == NULL");
return -ENODEV;
}
return usb_gadget_wakeup(d_port->cdev->gadget);
}
