ipc_read_status
while ((ipc_read_status(ipcdev, type) & CMD_RUN) && --loops)
status = ipc_read_status(ipcdev, type);
err = readx_poll_timeout(ipc_read_status, scu, status, !(status & IPC_STATUS_BUSY),
status = ipc_read_status(scu);
status = ipc_read_status(scu);
int status = ipc_read_status(scu);