369 static int snd_als300_playback_open(struct snd_pcm_substream *substream)  in snd_als300_playback_open()  argument
371 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_playback_open()
372 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_als300_playback_open()
378 	chip->playback_substream = substream;  in snd_als300_playback_open()
386 static int snd_als300_playback_close(struct snd_pcm_substream *substream)  in snd_als300_playback_close()  argument
388 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_playback_close()
391 	data = substream->runtime->private_data;  in snd_als300_playback_close()
394 	snd_pcm_lib_free_pages(substream);  in snd_als300_playback_close()
398 static int snd_als300_capture_open(struct snd_pcm_substream *substream)  in snd_als300_capture_open()  argument
400 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_capture_open()
401 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_als300_capture_open()
407 	chip->capture_substream = substream;  in snd_als300_capture_open()
415 static int snd_als300_capture_close(struct snd_pcm_substream *substream)  in snd_als300_capture_close()  argument
417 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_capture_close()
420 	data = substream->runtime->private_data;  in snd_als300_capture_close()
423 	snd_pcm_lib_free_pages(substream);  in snd_als300_capture_close()
427 static int snd_als300_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_als300_pcm_hw_params()  argument
430 	return snd_pcm_lib_malloc_pages(substream,  in snd_als300_pcm_hw_params()
434 static int snd_als300_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_als300_pcm_hw_free()  argument
436 	return snd_pcm_lib_free_pages(substream);  in snd_als300_pcm_hw_free()
439 static int snd_als300_playback_prepare(struct snd_pcm_substream *substream)  in snd_als300_playback_prepare()  argument
442 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_playback_prepare()
443 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_als300_playback_prepare()
444 	unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);  in snd_als300_playback_prepare()
445 	unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in snd_als300_playback_prepare()
468 static int snd_als300_capture_prepare(struct snd_pcm_substream *substream)  in snd_als300_capture_prepare()  argument
471 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_capture_prepare()
472 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_als300_capture_prepare()
473 	unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);  in snd_als300_capture_prepare()
474 	unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);  in snd_als300_capture_prepare()
497 static int snd_als300_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_als300_trigger()  argument
499 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_trigger()
505 	data = substream->runtime->private_data;  in snd_als300_trigger()
541 static snd_pcm_uframes_t snd_als300_pointer(struct snd_pcm_substream *substream)  in snd_als300_pointer()  argument
544 	struct snd_als300 *chip = snd_pcm_substream_chip(substream);  in snd_als300_pointer()
548 	data = substream->runtime->private_data;  in snd_als300_pointer()
549 	period_bytes = snd_pcm_lib_period_bytes(substream);  in snd_als300_pointer()
563 	return bytes_to_frames(substream->runtime, current_ptr);  in snd_als300_pointer()