/* ******************************************************************************* * usb_msg_center * * Description: * void * * Parameters: * void * * Return value: * void * * note: * void * ******************************************************************************* */ void usb_msg_center(struct usb_cfg *cfg) { enum usb_role role = USB_ROLE_NULL; struct usb_msg_center_info * center_info = &g_center_info; /* receive massage */ print_usb_msg(center_info); modify_msg(¢er_info->msg); /* execute cmd */ role = get_usb_role(); DMSG_DBG_MANAGER("role=%d\n", get_usb_role()); switch(role){ case USB_ROLE_NULL: do_usb_role_null(center_info); break; case USB_ROLE_HOST: do_usb_role_host(center_info); break; case USB_ROLE_DEVICE: do_usb_role_device(center_info); break; default: DMSG_PANIC("ERR: unkown role(%x)\n", role); } return; }
static ssize_t show_otg_role(struct device *dev, struct device_attribute *attr, char *buf) { int value = 0; value = get_usb_role(); return sprintf(buf, "%u\n", value); }