142 		      struct snd_pcm_substream *substream)  in i2s_start()  argument
147 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in i2s_start()
156 		struct snd_pcm_substream *substream)  in i2s_stop()  argument
160 	i2s_clear_irqs(dev, substream->stream);  in i2s_stop()
161 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in i2s_stop()
183 static int dw_i2s_startup(struct snd_pcm_substream *substream,  in dw_i2s_startup()  argument
190 			(substream->stream == SNDRV_PCM_STREAM_CAPTURE))  in dw_i2s_startup()
194 			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK))  in dw_i2s_startup()
197 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in dw_i2s_startup()
199 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)  in dw_i2s_startup()
202 	snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)dma_data);  in dw_i2s_startup()
207 static int dw_i2s_hw_params(struct snd_pcm_substream *substream,  in dw_i2s_hw_params()  argument
252 	i2s_disable_channels(dev, substream->stream);  in dw_i2s_hw_params()
255 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in dw_i2s_hw_params()
296 static void dw_i2s_shutdown(struct snd_pcm_substream *substream,  in dw_i2s_shutdown()  argument
299 	snd_soc_dai_set_dma_data(dai, substream, NULL);  in dw_i2s_shutdown()
302 static int dw_i2s_prepare(struct snd_pcm_substream *substream,  in dw_i2s_prepare()  argument
307 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in dw_i2s_prepare()
315 static int dw_i2s_trigger(struct snd_pcm_substream *substream,  in dw_i2s_trigger()  argument
326 		i2s_start(dev, substream);  in dw_i2s_trigger()
333 		i2s_stop(dev, substream);  in dw_i2s_trigger()