AT_XDMAC_CHAN_IS_PAUSED
if (test_and_set_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status))
clear_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status);
clear_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status);
return test_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status);