if (snd_BUG_ON(!hdr))
return NULL;
+ idx = runtime->period_size >= runtime->buffer_size ?
+ (emu->delay_pcm_irq * 2) : 0;
mutex_lock(&hdr->block_mutex);
- blk = search_empty(emu, runtime->dma_bytes);
+ blk = search_empty(emu, runtime->dma_bytes + idx);
if (blk == NULL) {
mutex_unlock(&hdr->block_mutex);
return NULL;