mhi_ep_send_state_change_event
int mhi_ep_send_state_change_event(struct mhi_ep_cntrl *mhi_cntrl, enum mhi_state state);
ret = mhi_ep_send_state_change_event(mhi_cntrl, MHI_STATE_SYS_ERR);
ret = mhi_ep_send_state_change_event(mhi_cntrl, MHI_STATE_M3);
ret = mhi_ep_send_state_change_event(mhi_cntrl, MHI_STATE_M0);