142 		      struct snd_pcm_substream *substream)  in i2s_start()  argument
147 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in i2s_start()
165 		struct snd_pcm_substream *substream)  in i2s_stop()  argument
169 	i2s_clear_irqs(dev, substream->stream);  in i2s_stop()
170 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in i2s_stop()
192 static int dw_i2s_startup(struct snd_pcm_substream *substream,  in dw_i2s_startup()  argument
199 			(substream->stream == SNDRV_PCM_STREAM_CAPTURE))  in dw_i2s_startup()
203 			(substream->stream == SNDRV_PCM_STREAM_PLAYBACK))  in dw_i2s_startup()
206 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in dw_i2s_startup()
208 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)  in dw_i2s_startup()
211 	snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)dma_data);  in dw_i2s_startup()
216 static int dw_i2s_hw_params(struct snd_pcm_substream *substream,  in dw_i2s_hw_params()  argument
261 	i2s_disable_channels(dev, substream->stream);  in dw_i2s_hw_params()
264 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in dw_i2s_hw_params()
307 static void dw_i2s_shutdown(struct snd_pcm_substream *substream,  in dw_i2s_shutdown()  argument
310 	snd_soc_dai_set_dma_data(dai, substream, NULL);  in dw_i2s_shutdown()
313 static int dw_i2s_prepare(struct snd_pcm_substream *substream,  in dw_i2s_prepare()  argument
318 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in dw_i2s_prepare()
326 static int dw_i2s_trigger(struct snd_pcm_substream *substream,  in dw_i2s_trigger()  argument
337 		i2s_start(dev, substream);  in dw_i2s_trigger()
344 		i2s_stop(dev, substream);  in dw_i2s_trigger()