#define snd_pcm_get_dma_buf(substream) ((substream)->runtime->dma_buffer_p)
-#ifdef CONFIG_SND_DMA_SGBUF
-/*
- * SG-buffer handling
- */
-#define snd_pcm_substream_sgbuf(substream) \
- snd_pcm_get_dma_buf(substream)->private_data
-#endif /* SND_DMA_SGBUF */
-
/**
* snd_pcm_sgbuf_get_addr - Get the DMA address at the corresponding offset
* @substream: PCM substream