#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/usb/ch9.h>
+#include <linux/usb/otg.h>
+
+const char *usb_otg_state_string(enum usb_otg_state state)
+{
+ static const char *const names[] = {
+ [OTG_STATE_A_IDLE] = "a_idle",
+ [OTG_STATE_A_WAIT_VRISE] = "a_wait_vrise",
+ [OTG_STATE_A_WAIT_BCON] = "a_wait_bcon",
+ [OTG_STATE_A_HOST] = "a_host",
+ [OTG_STATE_A_SUSPEND] = "a_suspend",
+ [OTG_STATE_A_PERIPHERAL] = "a_peripheral",
+ [OTG_STATE_A_WAIT_VFALL] = "a_wait_vfall",
+ [OTG_STATE_A_VBUS_ERR] = "a_vbus_err",
+ [OTG_STATE_B_IDLE] = "b_idle",
+ [OTG_STATE_B_SRP_INIT] = "b_srp_init",
+ [OTG_STATE_B_PERIPHERAL] = "b_peripheral",
+ [OTG_STATE_B_WAIT_ACON] = "b_wait_acon",
+ [OTG_STATE_B_HOST] = "b_host",
+ };
+
+ if (state < 0 || state >= ARRAY_SIZE(names))
+ return "UNDEFINED";
+
+ return names[state];
+}
+EXPORT_SYMBOL_GPL(usb_otg_state_string);
const char *usb_speed_string(enum usb_device_speed speed)
{
}
EXPORT_SYMBOL_GPL(usb_speed_string);
+const char *usb_state_string(enum usb_device_state state)
+{
+ static const char *const names[] = {
+ [USB_STATE_NOTATTACHED] = "not attached",
+ [USB_STATE_ATTACHED] = "attached",
+ [USB_STATE_POWERED] = "powered",
+ [USB_STATE_RECONNECTING] = "reconnecting",
+ [USB_STATE_UNAUTHENTICATED] = "unauthenticated",
+ [USB_STATE_DEFAULT] = "default",
+ [USB_STATE_ADDRESS] = "addresssed",
+ [USB_STATE_CONFIGURED] = "configured",
+ [USB_STATE_SUSPENDED] = "suspended",
+ };
+
+ if (state < 0 || state >= ARRAY_SIZE(names))
+ return "UNKNOWN";
+
+ return names[state];
+}
+EXPORT_SYMBOL_GPL(usb_state_string);
+
MODULE_LICENSE("GPL");