72 static int hdmi_dai_startup(struct snd_pcm_substream *substream,  in hdmi_dai_startup()  argument
75 	struct hdmi_audio_data *ad = card_drvdata_substream(substream);  in hdmi_dai_startup()
81 	ret = snd_pcm_hw_constraint_step(substream->runtime, 0,  in hdmi_dai_startup()
88 	snd_soc_dai_set_dma_data(dai, substream, &ad->dma_data);  in hdmi_dai_startup()
91 	ad->current_stream = substream;  in hdmi_dai_startup()
105 static int hdmi_dai_hw_params(struct snd_pcm_substream *substream,  in hdmi_dai_hw_params()  argument
109 	struct hdmi_audio_data *ad = card_drvdata_substream(substream);  in hdmi_dai_hw_params()
113 	WARN_ON(ad->current_stream != substream);  in hdmi_dai_hw_params()
229 static int hdmi_dai_trigger(struct snd_pcm_substream *substream, int cmd,  in hdmi_dai_trigger()  argument
232 	struct hdmi_audio_data *ad = card_drvdata_substream(substream);  in hdmi_dai_trigger()
235 	WARN_ON(ad->current_stream != substream);  in hdmi_dai_trigger()
254 static void hdmi_dai_shutdown(struct snd_pcm_substream *substream,  in hdmi_dai_shutdown()  argument
257 	struct hdmi_audio_data *ad = card_drvdata_substream(substream);  in hdmi_dai_shutdown()
259 	WARN_ON(ad->current_stream != substream);  in hdmi_dai_shutdown()