qmc_chan_stop
qmc_chan_stop(qmc_hdlc->qmc_chan, QMC_CHAN_ALL);
ret = qmc_chan_stop(chan, QMC_CHAN_ALL);
EXPORT_SYMBOL(qmc_chan_stop);
int qmc_chan_stop(struct qmc_chan *chan, int direction);
ret_tmp = qmc_chan_stop(qmc_dai->qmc_chans[i], direction);
ret_tmp = qmc_chan_stop(qmc_dai->qmc_chans[i], direction);
qmc_chan_stop(qmc_dai->qmc_chans[i], direction);