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path: root/drivers/usb/otg/otg.c
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Diffstat (limited to 'drivers/usb/otg/otg.c')
-rw-r--r--drivers/usb/otg/otg.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c
index 0a43a7db750..fb7adeff9ff 100644
--- a/drivers/usb/otg/otg.c
+++ b/drivers/usb/otg/otg.c
@@ -64,3 +64,38 @@ int otg_set_transceiver(struct otg_transceiver *x)
return 0;
}
EXPORT_SYMBOL(otg_set_transceiver);
+
+const char *otg_state_string(enum usb_otg_state state)
+{
+ switch (state) {
+ case OTG_STATE_A_IDLE:
+ return "a_idle";
+ case OTG_STATE_A_WAIT_VRISE:
+ return "a_wait_vrise";
+ case OTG_STATE_A_WAIT_BCON:
+ return "a_wait_bcon";
+ case OTG_STATE_A_HOST:
+ return "a_host";
+ case OTG_STATE_A_SUSPEND:
+ return "a_suspend";
+ case OTG_STATE_A_PERIPHERAL:
+ return "a_peripheral";
+ case OTG_STATE_A_WAIT_VFALL:
+ return "a_wait_vfall";
+ case OTG_STATE_A_VBUS_ERR:
+ return "a_vbus_err";
+ case OTG_STATE_B_IDLE:
+ return "b_idle";
+ case OTG_STATE_B_SRP_INIT:
+ return "b_srp_init";
+ case OTG_STATE_B_PERIPHERAL:
+ return "b_peripheral";
+ case OTG_STATE_B_WAIT_ACON:
+ return "b_wait_acon";
+ case OTG_STATE_B_HOST:
+ return "b_host";
+ default:
+ return "UNDEFINED";
+ }
+}
+EXPORT_SYMBOL(otg_state_string);