Lines Matching refs:snd
92 static int playback_default_hw_params(struct gaudio_snd_dev *snd) in playback_default_hw_params() argument
94 struct snd_pcm_substream *substream = snd->substream; in playback_default_hw_params()
104 snd->access = SNDRV_PCM_ACCESS_RW_INTERLEAVED; in playback_default_hw_params()
105 snd->format = SNDRV_PCM_FORMAT_S16_LE; in playback_default_hw_params()
106 snd->channels = 2; in playback_default_hw_params()
107 snd->rate = 48000; in playback_default_hw_params()
115 snd->access, 0); in playback_default_hw_params()
117 snd->format, 0); in playback_default_hw_params()
119 snd->channels, 0); in playback_default_hw_params()
121 snd->rate, 0); in playback_default_hw_params()
128 ERROR(snd->card, in playback_default_hw_params()
135 snd->access = params_access(params); in playback_default_hw_params()
136 snd->format = params_format(params); in playback_default_hw_params()
137 snd->channels = params_channels(params); in playback_default_hw_params()
138 snd->rate = params_rate(params); in playback_default_hw_params()
142 INFO(snd->card, in playback_default_hw_params()
144 snd->access, snd->format, snd->channels, snd->rate); in playback_default_hw_params()
154 struct gaudio_snd_dev *snd = &card->playback; in u_audio_playback() local
155 struct snd_pcm_substream *substream = snd->substream; in u_audio_playback()
173 result = snd_pcm_kernel_write(snd->substream, buf, frames); in u_audio_playback()
199 struct gaudio_snd_dev *snd; in gaudio_open_snd_dev() local
210 snd = &card->control; in gaudio_open_snd_dev()
211 snd->filp = filp_open(fn_cntl, O_RDWR, 0); in gaudio_open_snd_dev()
212 if (IS_ERR(snd->filp)) { in gaudio_open_snd_dev()
213 int ret = PTR_ERR(snd->filp); in gaudio_open_snd_dev()
216 snd->filp = NULL; in gaudio_open_snd_dev()
219 snd->card = card; in gaudio_open_snd_dev()
222 snd = &card->playback; in gaudio_open_snd_dev()
223 snd->filp = filp_open(fn_play, O_WRONLY, 0); in gaudio_open_snd_dev()
224 if (IS_ERR(snd->filp)) { in gaudio_open_snd_dev()
225 int ret = PTR_ERR(snd->filp); in gaudio_open_snd_dev()
228 snd->filp = NULL; in gaudio_open_snd_dev()
231 pcm_file = snd->filp->private_data; in gaudio_open_snd_dev()
232 snd->substream = pcm_file->substream; in gaudio_open_snd_dev()
233 snd->card = card; in gaudio_open_snd_dev()
234 playback_default_hw_params(snd); in gaudio_open_snd_dev()
237 snd = &card->capture; in gaudio_open_snd_dev()
238 snd->filp = filp_open(fn_cap, O_RDONLY, 0); in gaudio_open_snd_dev()
239 if (IS_ERR(snd->filp)) { in gaudio_open_snd_dev()
241 snd->substream = NULL; in gaudio_open_snd_dev()
242 snd->card = NULL; in gaudio_open_snd_dev()
243 snd->filp = NULL; in gaudio_open_snd_dev()
245 pcm_file = snd->filp->private_data; in gaudio_open_snd_dev()
246 snd->substream = pcm_file->substream; in gaudio_open_snd_dev()
247 snd->card = card; in gaudio_open_snd_dev()
258 struct gaudio_snd_dev *snd; in gaudio_close_snd_dev() local
261 snd = &gau->control; in gaudio_close_snd_dev()
262 if (snd->filp) in gaudio_close_snd_dev()
263 filp_close(snd->filp, NULL); in gaudio_close_snd_dev()
266 snd = &gau->playback; in gaudio_close_snd_dev()
267 if (snd->filp) in gaudio_close_snd_dev()
268 filp_close(snd->filp, NULL); in gaudio_close_snd_dev()
271 snd = &gau->capture; in gaudio_close_snd_dev()
272 if (snd->filp) in gaudio_close_snd_dev()
273 filp_close(snd->filp, NULL); in gaudio_close_snd_dev()