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Searched refs:dpcm (Results 1 – 7 of 7) sorted by relevance

/sound/drivers/
Daloop.c128 static inline unsigned int byte_pos(struct loopback_pcm *dpcm, unsigned int x) in byte_pos() argument
130 if (dpcm->pcm_rate_shift == NO_PITCH) { in byte_pos()
134 HZ * (unsigned long long)dpcm->pcm_rate_shift); in byte_pos()
136 return x - (x % dpcm->pcm_salign); in byte_pos()
139 static inline unsigned int frac_pos(struct loopback_pcm *dpcm, unsigned int x) in frac_pos() argument
141 if (dpcm->pcm_rate_shift == NO_PITCH) { /* no pitch */ in frac_pos()
144 x = div_u64(dpcm->pcm_rate_shift * (unsigned long long)x * HZ, in frac_pos()
150 static inline struct loopback_setup *get_setup(struct loopback_pcm *dpcm) in get_setup() argument
152 int device = dpcm->substream->pstr->pcm->device; in get_setup()
154 if (dpcm->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in get_setup()
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Ddummy.c250 static void dummy_systimer_rearm(struct dummy_systimer_pcm *dpcm) in dummy_systimer_rearm() argument
252 dpcm->timer.expires = jiffies + in dummy_systimer_rearm()
253 (dpcm->frac_period_rest + dpcm->rate - 1) / dpcm->rate; in dummy_systimer_rearm()
254 add_timer(&dpcm->timer); in dummy_systimer_rearm()
257 static void dummy_systimer_update(struct dummy_systimer_pcm *dpcm) in dummy_systimer_update() argument
261 delta = jiffies - dpcm->base_time; in dummy_systimer_update()
264 dpcm->base_time += delta; in dummy_systimer_update()
265 delta *= dpcm->rate; in dummy_systimer_update()
266 dpcm->frac_pos += delta; in dummy_systimer_update()
267 while (dpcm->frac_pos >= dpcm->frac_buffer_size) in dummy_systimer_update()
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/sound/soc/
Dsoc-pcm.c157 struct snd_soc_dpcm *dpcm; in dpcm_dapm_stream_event() local
159 list_for_each_entry(dpcm, &fe->dpcm[dir].be_clients, list_be) { in dpcm_dapm_stream_event()
161 struct snd_soc_pcm_runtime *be = dpcm->be; in dpcm_dapm_stream_event()
167 (be->dpcm[dir].users >= 1)) in dpcm_dapm_stream_event()
1092 struct snd_soc_dpcm *dpcm; in dpcm_be_connect() local
1095 list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) { in dpcm_be_connect()
1096 if (dpcm->be == be && dpcm->fe == fe) in dpcm_be_connect()
1100 dpcm = kzalloc(sizeof(struct snd_soc_dpcm), GFP_KERNEL); in dpcm_be_connect()
1101 if (!dpcm) in dpcm_be_connect()
1104 dpcm->be = be; in dpcm_be_connect()
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Dsoc-compress.c74 struct snd_soc_dpcm *dpcm; in soc_compr_open_fe() local
103 fe->dpcm[stream].runtime = fe_substream->runtime; in soc_compr_open_fe()
115 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; in soc_compr_open_fe()
120 list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) in soc_compr_open_fe()
121 dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; in soc_compr_open_fe()
124 fe->dpcm[stream].runtime = NULL; in soc_compr_open_fe()
131 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; in soc_compr_open_fe()
132 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; in soc_compr_open_fe()
147 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; in soc_compr_open_fe()
238 struct snd_soc_dpcm *dpcm; in soc_compr_free_fe() local
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Dsoc-core.c1185 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); in soc_post_component_init()
1186 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); in soc_post_component_init()
1187 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); in soc_post_component_init()
1188 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); in soc_post_component_init()
/sound/pci/asihpi/
Dasihpi.c450 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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/sound/soc/fsl/
Dfsl_asrc_dma.c148 struct snd_soc_dpcm *dpcm; in fsl_asrc_dma_hw_params() local
156 list_for_each_entry(dpcm, &rtd->dpcm[stream].be_clients, list_be) { in fsl_asrc_dma_hw_params()
157 struct snd_soc_pcm_runtime *be = dpcm->be; in fsl_asrc_dma_hw_params()
161 if (dpcm->fe != rtd) in fsl_asrc_dma_hw_params()