273 static int xtfpga_i2s_startup(struct snd_pcm_substream *substream,  in xtfpga_i2s_startup()  argument
278 	snd_soc_dai_set_dma_data(dai, substream, i2s);  in xtfpga_i2s_startup()
282 static int xtfpga_i2s_hw_params(struct snd_pcm_substream *substream,  in xtfpga_i2s_hw_params()  argument
371 static int xtfpga_pcm_open(struct snd_pcm_substream *substream)  in xtfpga_pcm_open()  argument
373 	struct snd_pcm_runtime *runtime = substream->runtime;  in xtfpga_pcm_open()
374 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in xtfpga_pcm_open()
377 	snd_soc_set_runtime_hwparams(substream, &xtfpga_pcm_hardware);  in xtfpga_pcm_open()
378 	p = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);  in xtfpga_pcm_open()
384 static int xtfpga_pcm_close(struct snd_pcm_substream *substream)  in xtfpga_pcm_close()  argument
390 static int xtfpga_pcm_hw_params(struct snd_pcm_substream *substream,  in xtfpga_pcm_hw_params()  argument
394 	struct snd_pcm_runtime *runtime = substream->runtime;  in xtfpga_pcm_hw_params()
425 	ret = snd_pcm_lib_malloc_pages(substream,  in xtfpga_pcm_hw_params()
430 static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in xtfpga_pcm_trigger()  argument
433 	struct snd_pcm_runtime *runtime = substream->runtime;  in xtfpga_pcm_trigger()
441 		rcu_assign_pointer(i2s->tx_substream, substream);  in xtfpga_pcm_trigger()
458 static snd_pcm_uframes_t xtfpga_pcm_pointer(struct snd_pcm_substream *substream)  in xtfpga_pcm_pointer()  argument
460 	struct snd_pcm_runtime *runtime = substream->runtime;  in xtfpga_pcm_pointer()