Searched refs:dpcm (Results 1 – 5 of 5) sorted by relevance
| /sound/drivers/ |
| D | aloop.c | 127 static inline unsigned int byte_pos(struct loopback_pcm *dpcm, unsigned int x) in byte_pos() argument
129 if (dpcm->pcm_rate_shift == NO_PITCH) { in byte_pos()
133 HZ * (unsigned long long)dpcm->pcm_rate_shift); in byte_pos()
135 return x - (x % dpcm->pcm_salign); in byte_pos()
138 static inline unsigned int frac_pos(struct loopback_pcm *dpcm, unsigned int x) in frac_pos() argument
140 if (dpcm->pcm_rate_shift == NO_PITCH) { /* no pitch */ in frac_pos()
143 x = div_u64(dpcm->pcm_rate_shift * (unsigned long long)x * HZ, in frac_pos()
149 static inline struct loopback_setup *get_setup(struct loopback_pcm *dpcm) in get_setup() argument
151 int device = dpcm->substream->pstr->pcm->device; in get_setup()
153 if (dpcm->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in get_setup()
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| D | dummy.c | 246 static void dummy_systimer_rearm(struct dummy_systimer_pcm *dpcm) in dummy_systimer_rearm() argument
248 dpcm->timer.expires = jiffies + in dummy_systimer_rearm()
249 (dpcm->frac_period_rest + dpcm->rate - 1) / dpcm->rate; in dummy_systimer_rearm()
250 add_timer(&dpcm->timer); in dummy_systimer_rearm()
253 static void dummy_systimer_update(struct dummy_systimer_pcm *dpcm) in dummy_systimer_update() argument
257 delta = jiffies - dpcm->base_time; in dummy_systimer_update()
260 dpcm->base_time += delta; in dummy_systimer_update()
261 delta *= dpcm->rate; in dummy_systimer_update()
262 dpcm->frac_pos += delta; in dummy_systimer_update()
263 while (dpcm->frac_pos >= dpcm->frac_buffer_size) in dummy_systimer_update()
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| /sound/soc/ |
| D | soc-pcm.c | 40 struct snd_soc_dpcm *dpcm; in dpcm_dapm_stream_event() local
42 list_for_each_entry(dpcm, &fe->dpcm[dir].be_clients, list_be) { in dpcm_dapm_stream_event()
44 struct snd_soc_pcm_runtime *be = dpcm->be; in dpcm_dapm_stream_event()
701 struct snd_soc_dpcm *dpcm; in dpcm_be_connect() local
704 list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { in dpcm_be_connect()
705 if (dpcm->be == be && dpcm->fe == fe) in dpcm_be_connect()
709 dpcm = kzalloc(sizeof(struct snd_soc_dpcm), GFP_KERNEL); in dpcm_be_connect()
710 if (!dpcm) in dpcm_be_connect()
713 dpcm->be = be; in dpcm_be_connect()
714 dpcm->fe = fe; in dpcm_be_connect()
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| D | soc-core.c | 1257 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); in soc_post_component_init()
1258 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); in soc_post_component_init()
1259 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); in soc_post_component_init()
1260 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); in soc_post_component_init()
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| /sound/pci/asihpi/ |
| D | asihpi.c | 450 struct snd_card_asihpi_pcm *dpcm = runtime->private_data; in snd_card_asihpi_pcm_hw_params() local
465 hpi_handle_error(hpi_format_create(&dpcm->format, in snd_card_asihpi_pcm_hw_params()
470 if (hpi_instream_reset(dpcm->h_stream) != 0) in snd_card_asihpi_pcm_hw_params()
474 dpcm->h_stream, &dpcm->format) != 0) in snd_card_asihpi_pcm_hw_params()
478 dpcm->hpi_buffer_attached = 0; in snd_card_asihpi_pcm_hw_params()
480 err = hpi_stream_host_buffer_attach(dpcm->h_stream, in snd_card_asihpi_pcm_hw_params()
493 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL, in snd_card_asihpi_pcm_hw_params()
494 &dpcm->hpi_buffer_attached, in snd_card_asihpi_pcm_hw_params()
498 dpcm->hpi_buffer_attached); in snd_card_asihpi_pcm_hw_params()
508 dpcm->bytes_per_sec = bytes_per_sec; in snd_card_asihpi_pcm_hw_params()
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