95     lldesc_t **desc;  member
389     gdma_start(p_i2s[i2s_num]->tx_dma_chan, (uint32_t) p_i2s[i2s_num]->tx->desc[0]);  in i2s_tx_start()
393     i2s_hal_tx_start_link(&(p_i2s[i2s_num]->hal), (uint32_t) p_i2s[i2s_num]->tx->desc[0]);  in i2s_tx_start()
401     gdma_start(p_i2s[i2s_num]->rx_dma_chan, (uint32_t) p_i2s[i2s_num]->rx->desc[0]);  in i2s_rx_start()
405     i2s_hal_rx_start_link(&(p_i2s[i2s_num]->hal), (uint32_t) p_i2s[i2s_num]->rx->desc[0]);  in i2s_rx_start()
496         if (dma_obj->desc && dma_obj->desc[cnt]) {  in i2s_delete_dma_buffer()
497             free(dma_obj->desc[cnt]);  in i2s_delete_dma_buffer()
498             dma_obj->desc[cnt] = NULL;  in i2s_delete_dma_buffer()
522         dma_obj->desc[cnt] = (lldesc_t *) heap_caps_calloc(1, sizeof(lldesc_t), MALLOC_CAP_DMA);  in i2s_alloc_dma_buffer()
523 …ESP_GOTO_ON_FALSE(dma_obj->desc[cnt], ESP_ERR_NO_MEM, err, TAG,  "Error malloc dma description ent…  in i2s_alloc_dma_buffer()
528         dma_obj->desc[cnt]->owner = 1;  in i2s_alloc_dma_buffer()
529         dma_obj->desc[cnt]->eof = 1;  in i2s_alloc_dma_buffer()
530         dma_obj->desc[cnt]->sosf = 0;  in i2s_alloc_dma_buffer()
531         dma_obj->desc[cnt]->length = dma_obj->buf_size;  in i2s_alloc_dma_buffer()
532         dma_obj->desc[cnt]->size = dma_obj->buf_size;  in i2s_alloc_dma_buffer()
533         dma_obj->desc[cnt]->buf = (uint8_t *) dma_obj->buf[cnt];  in i2s_alloc_dma_buffer()
534         dma_obj->desc[cnt]->offset = 0;  in i2s_alloc_dma_buffer()
536 …dma_obj->desc[cnt]->empty = (uint32_t)((cnt < (buf_cnt - 1)) ? (dma_obj->desc[cnt + 1]) : dma_obj-…  in i2s_alloc_dma_buffer()
571     if ((*dma)->desc) {  in i2s_destroy_dma_object()
572         free((*dma)->desc);  in i2s_destroy_dma_object()
573         (*dma)->desc = NULL;  in i2s_destroy_dma_object()
605     (*dma)->desc = (lldesc_t **)heap_caps_calloc(buf_cnt, sizeof(lldesc_t *), MALLOC_CAP_DMA);  in i2s_create_dma_object()
606     if (!(*dma)->desc) {  in i2s_create_dma_object()