qcom_ess_edma_desc_ring_get_sw_desc
extern void * qcom_ess_edma_desc_ring_get_sw_desc(
rxd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, idx);
rxd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, idx);
rxd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring,
rxd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, i);
txd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, idx);
txd_first = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring,
txd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, next_to_fill);
txd = qcom_ess_edma_desc_ring_get_sw_desc(sc, ring, i);