pci/aw2/aw2-alsa.c

105 static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream);
106 static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream);
107 static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream);
108 static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream);
109 static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream);
110 static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream);
111 static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream,
113 static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream,
116 						      *substream);
118 						     *substream);
311 static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream)
313 	struct snd_pcm_runtime *runtime = substream->runtime;
315 	dev_dbg(substream->pcm->card->dev, "Playback_open\n");
321 static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream)
327 static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream)
329 	struct snd_pcm_runtime *runtime = substream->runtime;
331 	dev_dbg(substream->pcm->card->dev, "Capture_open\n");
337 static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream)
344 static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream)
346 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
348 	struct snd_pcm_runtime *runtime = substream->runtime;
353 	period_size = snd_pcm_lib_period_bytes(substream);
354 	buffer_size = snd_pcm_lib_buffer_bytes(substream);
365 						    (void *)substream);
373 static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream)
375 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
377 	struct snd_pcm_runtime *runtime = substream->runtime;
382 	period_size = snd_pcm_lib_period_bytes(substream);
383 	buffer_size = snd_pcm_lib_buffer_bytes(substream);
394 						   (void *)substream);
402 static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream,
406 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
428 static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream,
432 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
455 						      *substream)
457 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
462 	struct snd_pcm_runtime *runtime = substream->runtime;
469 	return bytes_to_frames(substream->runtime, current_ptr);
474 						     *substream)
476 	struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream);
481 	struct snd_pcm_runtime *runtime = substream->runtime;
488 	return bytes_to_frames(substream->runtime, current_ptr);