97 	struct snd_pcm_substream *substream = snd->substream;  in playback_default_hw_params()  local
126 	snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);  in playback_default_hw_params()
127 	snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, params);  in playback_default_hw_params()
129 	result = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_PREPARE, NULL);  in playback_default_hw_params()
158 	struct snd_pcm_substream *substream = snd->substream;  in u_audio_playback()  local
159 	struct snd_pcm_runtime *runtime = substream->runtime;  in u_audio_playback()
166 		result = snd_pcm_kernel_ioctl(substream,  in u_audio_playback()
176 	result = snd_pcm_kernel_write(snd->substream, buf, frames);  in u_audio_playback()
235 	snd->substream = pcm_file->substream;  in gaudio_open_snd_dev()
244 		snd->substream = NULL;  in gaudio_open_snd_dev()
249 		snd->substream = pcm_file->substream;  in gaudio_open_snd_dev()