| /linux/sound/soc/ |
| H A D | soc-generic-dmaengine-pcm.c | 10 #include <sound/pcm.h>
28 static struct device *dmaengine_dma_dev(struct dmaengine_pcm *pcm, in dmaengine_dma_dev() argument
31 if (!pcm->chan[substream->stream]) in dmaengine_dma_dev()
34 return pcm->chan[substream->stream]->device->dev; in dmaengine_dma_dev()
39 * @substream: PCM substream
80 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); in dmaengine_pcm_hw_params() local
85 if (!pcm->config->prepare_slave_config) in dmaengine_pcm_hw_params()
90 ret = pcm->config->prepare_slave_config(substream, params, &slave_config); in dmaengine_pcm_hw_params()
102 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); in dmaengine_pcm_set_runtime_hwparams() local
103 struct device *dma_dev = dmaengine_dma_dev(pcm, substrea in dmaengine_pcm_set_runtime_hwparams()
151 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); dmaengine_pcm_open() local
179 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); dmaengine_pcm_compat_request_channel() local
222 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); dmaengine_pcm_new() local
282 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); dmaengine_pcm_pointer() local
296 struct dmaengine_pcm *pcm = soc_component_to_pcm(component); dmaengine_copy() local
349 dmaengine_pcm_request_chan_of(struct dmaengine_pcm * pcm,struct device * dev,const struct snd_dmaengine_pcm_config * config) dmaengine_pcm_request_chan_of() argument
402 dmaengine_pcm_release_chan(struct dmaengine_pcm * pcm) dmaengine_pcm_release_chan() argument
429 struct dmaengine_pcm *pcm; snd_dmaengine_pcm_register() local
483 struct dmaengine_pcm *pcm; snd_dmaengine_pcm_unregister() local
[all...] |
| /linux/sound/soc/samsung/ |
| H A D | pcm.c | 3 // ALSA SoC Audio Layer - S3C PCM-Controller driver
20 #include "pcm.h"
106 * struct s3c_pcm_info - S3C PCM Controller information
112 * @pclk: the PCLK_PCM (pcm) clock pointer
154 static void s3c_pcm_snd_txctrl(struct s3c_pcm_info *pcm, int on) in s3c_pcm_snd_txctrl() argument
156 void __iomem *regs = pcm->regs; in s3c_pcm_snd_txctrl()
176 if (!pcm->idleclk) in s3c_pcm_snd_txctrl()
185 static void s3c_pcm_snd_rxctrl(struct s3c_pcm_info *pcm, int on) in s3c_pcm_snd_rxctrl() argument
187 void __iomem *regs = pcm->regs; in s3c_pcm_snd_rxctrl()
207 if (!pcm->idleclk) in s3c_pcm_snd_rxctrl()
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| /linux/sound/pci/ac97/ |
| H A D | ac97_pcm.c | 18 #include <sound/pcm.h>
26 * PCM support
144 static unsigned char get_slot_reg(struct ac97_pcm *pcm, unsigned short cidx, in get_slot_reg() argument
151 if (pcm->spdif) in get_slot_reg()
153 if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK) in get_slot_reg()
154 return rate_reg_tables[dbl][pcm->r[dbl].rate_table[cidx]][slot - 3]; in get_slot_reg()
392 static unsigned int get_rates(struct ac97_pcm *pcm, unsigned int cidx, unsigned short slots, int dbl)
401 reg = get_slot_reg(pcm, cidx, i, dbl); in get_rates()
410 rates &= pcm->r[dbl].codec[cidx]->rates[idx]; in get_rates()
419 * snd_ac97_pcm_assign - assign AC97 slots to given PCM stream
393 get_rates(struct ac97_pcm * pcm,unsigned int cidx,unsigned short slots,int dbl) get_rates() argument
436 const struct ac97_pcm *pcm; snd_ac97_pcm_assign() local
555 snd_ac97_pcm_open(struct ac97_pcm * pcm,unsigned int rate,enum ac97_pcm_cfg cfg,unsigned short slots) snd_ac97_pcm_open() argument
646 snd_ac97_pcm_close(struct ac97_pcm * pcm) snd_ac97_pcm_close() argument
[all...] |
| /linux/Documentation/sound/designs/ |
| H A D | oss-emulation.rst | 12 The OSS emulation for PCM, mixer and sequencer devices is implemented
13 as add-on kernel modules, snd-pcm-oss, snd-mixer-oss and snd-seq-oss.
14 When you need to access the OSS PCM, mixer or sequencer devices, the
48 PCM:
73 As seen above, PCM and MIDI may have two devices. Usually, the first
74 PCM device (``hw:0,0`` in ALSA) is mapped to /dev/dsp and the secondary
79 snd-pcm-oss and snd-rawmidi. In the case of PCM, the following
80 options are available for snd-pcm-oss:
83 PCM device number assigned to /dev/dspX
86 PCM device number assigned to /dev/adspX
[all …]
|
| H A D | tracepoints.rst | 8 Tracepoints in ALSA PCM core
11 ALSA PCM core registers ``snd_pcm`` subsystem to kernel tracepoint system.
12 This subsystem includes two categories of tracepoints; for state of PCM buffer
13 and for processing of PCM hardware parameters. These tracepoints are available
18 Tracepoints for state of PCM buffer
24 Tracepoints for processing of PCM hardware parameters
30 In a design of ALSA PCM core, data transmission is abstracted as PCM substream.
31 Applications manage PCM substream to maintain data transmission for PCM frames.
32 Before starting the data transmission, applications need to configure PCM
33 substream. In this procedure, PCM hardware parameters are decided by
[all …]
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| H A D | procfile.rst | 42 pcm
43 Lists the currently available PCM devices in format of
66 When PCM devices are available on this card, you can see directories
67 like pcm0p or pcm1c. They hold the PCM information for each PCM
68 stream. The number after ``pcm`` is the PCM device number from 0, and
85 PCM Proc Files
88 ``card*/pcm*/info``
89 The general information of this PCM device: card #, device #,
92 ``card*/pcm*/xrun_debug``
96 invalid PCM position debug/check of ALSA PCM middle layer.
[all …]
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| /linux/sound/core/ |
| H A D | pcm_memory.c | 3 * Digital Audio (PCM) abstract layer
14 #include <sound/pcm.h>
21 MODULE_PARM_DESC(preallocate_dma, "Preallocate DMA memory when the PCM devices are initialized.");
102 struct snd_card *card = substream->pcm->card; in preallocate_pcm_pages()
117 substream->pcm->card->number, substream->pcm->device, in preallocate_pcm_pages()
119 substream->pcm->name, orig_size); in preallocate_pcm_pages()
125 * @substream: the pcm substream instance
131 do_free_pages(substream->pcm->card, &substream->dma_buffer); in snd_pcm_lib_preallocate_free()
135 * snd_pcm_lib_preallocate_free_for_all - release all pre-allocated buffers on the pcm
136 * @pcm: the pcm instance
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| H A D | pcm_dmaengine.c | 7 * imx-pcm-dma-mx2.c, Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
8 * mxs-pcm.c, Copyright (C) 2011 Freescale Semiconductor, Inc.
9 * ep93xx-pcm.c, Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
16 #include <sound/pcm.h>
45 * @substream: PCM substream
50 * and hw_params in a dmaengine based PCM driver implementation.
92 * @substream: PCM substream
180 * snd_dmaengine_pcm_trigger - dmaengine based PCM trigger implementation
181 * @substream: PCM substream
184 * This function can be used as the PCM trigge
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| /linux/Documentation/sound/cards/ |
| H A D | sb-live-mixer.rst | 15 IEC958 (S/PDIF) raw PCM
18 This PCM device (it's the 3rd PCM device (index 2!) and first subdevice
22 to 8 raw PCM devices operating at 48kHz, 16-bit little endian. It would
64 This control is used to attenuate samples from left and right PCM FX-bus
65 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples.
66 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
70 This control is used to attenuate samples from left and right PCM FX-bus
71 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples.
77 This control is used to attenuate samples from left and right PCM FX-bus
78 accumulators. ALSA uses accumulators 0 and 1 for left and right PCM samples.
[all …]
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| H A D | audigy-mixer.rst | 47 name='PCM Front Playback Volume',index=0
49 This control is used to attenuate samples from left and right front PCM FX-bus
50 accumulators. ALSA uses accumulators 8 and 9 for left and right front PCM
53 name='PCM Surround Playback Volume',index=0
55 This control is used to attenuate samples from left and right surround PCM FX-bus
56 accumulators. ALSA uses accumulators 2 and 3 for left and right surround PCM
60 name='PCM Side Playback Volume',index=0
62 This control is used to attenuate samples from left and right side PCM FX-bus
63 accumulators. ALSA uses accumulators 14 and 15 for left and right side PCM
66 name='PCM Center Playback Volume',index=0
[all …]
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| /linux/sound/soc/codecs/ |
| H A D | hda.c | 21 struct hda_pcm *pcm; in hda_codec_create_dais() local
28 pcm = list_first_entry(&codec->pcm_list_head, struct hda_pcm, list); in hda_codec_create_dais()
30 for (i = 0; i < pcm_count; i++, pcm = list_next_entry(pcm, list)) { in hda_codec_create_dais()
34 dev_info(dev, "creating for %s %d\n", pcm->name, i); in hda_codec_create_dais()
36 drvs[i].name = pcm->name; in hda_codec_create_dais()
41 if (!pcm->stream[dir].substreams) { in hda_codec_create_dais()
42 dev_info(dev, "skipping playback dai for %s\n", pcm->name); in hda_codec_create_dais()
47 devm_kasprintf(dev, GFP_KERNEL, "%s %s", pcm->name, in hda_codec_create_dais()
51 stream->channels_min = pcm->stream[dir].channels_min; in hda_codec_create_dais()
52 stream->channels_max = pcm->stream[dir].channels_max; in hda_codec_create_dais()
[all …]
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| H A D | hdac_hdmi.c | 146 struct hdac_hdmi_pcm *pcm; in hdac_hdmi_get_pcm_from_cvt() local
148 list_for_each_entry(pcm, &hdmi->pcm_list, head) { in hdac_hdmi_get_pcm_from_cvt()
149 if (pcm->cvt == cvt) in hdac_hdmi_get_pcm_from_cvt()
150 return pcm; in hdac_hdmi_get_pcm_from_cvt()
156 static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm, in hdac_hdmi_jack_report() argument
165 * for the first time where same PCM is attached to multiple in hdac_hdmi_jack_report()
168 if (pcm->jack_event == 0) { in hdac_hdmi_jack_report()
170 "jack report for pcm=%d\n", in hdac_hdmi_jack_report()
171 pcm->pcm_id); in hdac_hdmi_jack_report()
172 snd_soc_jack_report(pcm->jack, SND_JACK_AVOUT, in hdac_hdmi_jack_report()
[all …]
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| H A D | hda-dai.c | 16 struct hda_pcm *pcm; in hda_codec_dai_startup() local
21 pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]); in hda_codec_dai_startup()
23 dev_dbg(dai->dev, "open stream codec: %08x, info: %p, pcm: %p %s substream: %p\n", in hda_codec_dai_startup()
24 codec->core.vendor_id, stream_info, pcm, pcm->name, substream); in hda_codec_dai_startup()
26 snd_hda_codec_pcm_get(pcm); in hda_codec_dai_startup()
31 snd_hda_codec_pcm_put(pcm); in hda_codec_dai_startup()
42 struct hda_pcm *pcm; in hda_codec_dai_shutdown() local
47 pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]); in hda_codec_dai_shutdown()
49 dev_dbg(dai->dev, "close stream codec: %08x, info: %p, pcm: %p %s substream: %p\n", in hda_codec_dai_shutdown()
50 codec->core.vendor_id, stream_info, pcm, pcm->name, substream); in hda_codec_dai_shutdown()
[all …]
|
| /linux/sound/pci/lola/ |
| H A D | lola_pcm.c | 14 #include <sound/pcm.h>
24 return &chip->pcm[substream->stream]; in lola_get_pcm()
29 struct lola_pcm *pcm = lola_get_pcm(substream); in lola_get_stream() local
31 return &pcm->streams[idx]; in lola_get_stream()
128 if (s->pcm->card != substream->pcm->card) in lola_sync_wait_for_fifo()
159 if (s->pcm->card != substream->pcm->card) in lola_sync_pause()
213 struct lola_pcm *pcm = lola_get_pcm(substream); in lola_pcm_open() local
224 runtime->hw.channels_max = pcm in lola_pcm_open()
246 lola_cleanup_slave_streams(struct lola_pcm * pcm,struct lola_stream * str) lola_cleanup_slave_streams() argument
291 struct lola_pcm *pcm = lola_get_pcm(substream); lola_pcm_hw_free() local
340 lola_setup_periods(struct lola * chip,struct lola_pcm * pcm,struct snd_pcm_substream * substream,struct lola_stream * str) lola_setup_periods() argument
427 lola_setup_controller(struct lola * chip,struct lola_pcm * pcm,struct lola_stream * str) lola_setup_controller() argument
454 struct lola_pcm *pcm = lola_get_pcm(substream); lola_pcm_prepare() local
561 lola_pcm_update(struct lola * chip,struct lola_pcm * pcm,unsigned int bits) lola_pcm_update() argument
588 struct snd_pcm *pcm; lola_create_pcm() local
678 struct lola_pcm *pcm = &chip->pcm[dir]; lola_init_pcm() local
[all...] |
| /linux/sound/soc/sof/ |
| H A D | compress.c | 74 /* use the same workqueue-based solution as for PCM, cf. snd_sof_pcm_elapsed */ in snd_sof_compr_fragment_elapsed()
172 struct sof_ipc_pcm_params *pcm; in sof_compr_set_params() local
195 if (sizeof(*pcm) + ext_data_size > sdev->ipc->max_payload_size) in sof_compr_set_params()
198 pcm = kzalloc(sizeof(*pcm) + ext_data_size, GFP_KERNEL); in sof_compr_set_params()
199 if (!pcm) in sof_compr_set_params()
212 pcm->params.buffer.pages = PFN_UP(crtd->dma_bytes); in sof_compr_set_params()
213 pcm->hdr.size = sizeof(*pcm) + ext_data_size; in sof_compr_set_params()
214 pcm in sof_compr_set_params()
[all...] |
| /linux/sound/pci/au88x0/ |
| H A D | au88x0_pcm.c | 6 * Vortex PCM ALSA driver.
14 #include <sound/pcm.h>
146 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { in snd_vortex_pcm_open()
148 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) { in snd_vortex_pcm_open()
152 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) { in snd_vortex_pcm_open()
166 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB in snd_vortex_pcm_open()
167 || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S) in snd_vortex_pcm_open()
172 VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { in snd_vortex_pcm_open()
219 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) { in snd_vortex_pcm_hw_params()
220 int dma, type = VORTEX_PCM_TYPE(substream->pcm); in snd_vortex_pcm_hw_params()
[all …]
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| /linux/include/sound/ |
| H A D | pcm.h | 6 * Digital Audio (PCM) abstract layer
22 #define snd_pcm_chip(pcm) ((pcm)->private_data) argument
465 struct snd_pcm *pcm; member
467 void *private_data; /* copied from pcm->private_data */
515 struct snd_pcm *pcm; member
547 void (*private_free) (struct snd_pcm *pcm);
548 bool internal; /* pcm is for internal use only */
549 bool nonatomic; /* whole PCM operations are in non-atomic context */
568 int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count);
572 int (*n_register) (struct snd_pcm * pcm);
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| /linux/sound/pci/emu10k1/ |
| H A D | emupcm.c | 9 * Routines for control of EMU10K1 chips / PCM routines
1403 struct snd_pcm *pcm;
1407 err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm);
1411 pcm->private_data = emu; in snd_emu10k1_pcm()
1413 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); in snd_emu10k1_pcm() local
1414 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); in snd_emu10k1_pcm()
1416 pcm->info_flags = 0; in snd_emu10k1_pcm()
1417 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; in snd_emu10k1_pcm()
1418 strscpy(pcm->name, "ADC Capture/Standard PCM Playbac in snd_emu10k1_pcm()
1446 struct snd_pcm *pcm; snd_emu10k1_pcm_multi() local
1482 struct snd_pcm *pcm; snd_emu10k1_pcm_mic() local
1608 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; fx8010_pb_trans_copy() local
1636 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_transfer() local
1645 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_hw_free() local
1657 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_prepare() local
1687 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_trigger() local
1734 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_pointer() local
1767 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_open() local
1785 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; snd_emu10k1_fx8010_playback_close() local
1805 struct snd_pcm *pcm; snd_emu10k1_pcm_efx() local
[all...] |
| /linux/Documentation/sound/soc/ |
| H A D | usb.rst | 58 - ``update_offload_route_info``: callback to fetch selected USB sound card/PCM
71 - ``cpcm_idx``: capture pcm device indexes associated with the USB sound device
72 - ``ppcm_idx``: playback pcm device indexes associated with the USB sound device
90 - ``params``: Requested PCM parameters from the USB DPCM BE DAI link
155 int snd_soc_usb_update_offload_route(struct device *dev, int card, int pcm,
162 - ``pcm``: USB sound PCM device index
164 - ``path``: kcontrol selector - pcm device or card index
165 - ``route``: mapping of sound card and pcm indexes for the offload path. This is
166 an array of two integers that will carry the card and pcm device indexes
364 **PCM Devices**:
[all …]
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| /linux/sound/soc/mediatek/mt6797/ |
| H A D | mt6797-dai-pcm.c | 155 {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
156 {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
157 {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
158 {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
159 {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
160 {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
162 {"PCM 1 Playback", NULL, "PCM_1_EN"},
163 {"PCM 2 Playback", NULL, "PCM_2_EN"},
164 {"PCM 1 Capture", NULL, "PCM_1_EN"},
165 {"PCM 2 Capture", NULL, "PCM_2_EN"},
[all …]
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| /linux/sound/soc/mediatek/mt8183/ |
| H A D | mt8183-dai-pcm.c | 155 {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
156 {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
157 {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
158 {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
159 {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
160 {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
162 {"PCM 1 Playback", NULL, "PCM_1_EN"},
163 {"PCM 2 Playback", NULL, "PCM_2_EN"},
164 {"PCM 1 Capture", NULL, "PCM_1_EN"},
165 {"PCM 2 Capture", NULL, "PCM_2_EN"},
[all …]
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| /linux/sound/pci/ctxfi/ |
| H A D | ctpcm.c | 8 * This file contains the definition of the pcm device functions.
17 #include <sound/pcm.h>
114 /* pcm playback operations */
128 if (IEC958 == substream->pcm->device) { in ct_pcm_playback_open()
133 if (FRONT == substream->pcm->device) in ct_pcm_playback_open()
168 if (IEC958 == substream->pcm->device) in ct_pcm_playback_close()
205 if (IEC958 == substream->pcm->device) in ct_pcm_playback_prepare()
212 "Preparing pcm playback failed!!!\n"); in ct_pcm_playback_prepare()
260 /* pcm capture operations */
321 "Preparing pcm capture failed!!!\n"); in ct_pcm_capture_prepare()
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| /linux/sound/firewire/oxfw/ |
| H A D | oxfw-pcm.c | 31 if (!snd_interval_test(c, formation.pcm)) in hw_rule_rate()
63 if (list[count] == formation.pcm) in hw_rule_channels()
67 if (list[j] == formation.pcm) in hw_rule_channels()
71 list[count] = formation.pcm; in hw_rule_channels()
100 hw->channels_min = min(hw->channels_min, formation.pcm); in limit_channels_and_rates()
101 hw->channels_max = max(hw->channels_max, formation.pcm); in limit_channels_and_rates()
162 substream->runtime->hw.channels_min = formation.pcm; in limit_to_current_params()
163 substream->runtime->hw.channels_max = formation.pcm; in limit_to_current_params()
186 // transmission of PCM frames, the available sampling rate is limited in pcm_open()
332 struct snd_pcm_substream *pcm; in pcm_playback_prepare()
348 struct snd_pcm_substream *pcm; pcm_capture_trigger() local
366 struct snd_pcm_substream *pcm; pcm_playback_trigger() local
431 struct snd_pcm *pcm; snd_oxfw_create_pcm() local
[all...] |
| /linux/tools/testing/selftests/alsa/ |
| H A D | pcm-test.c | 3 // kselftest for the ALSA PCM API
9 // every PCM device it can find. This may conflict with other system
129 pcm_config = conf_get_subtree(card_config, "pcm", NULL); in missing_devices()
228 sprintf(key, "pcm.%d.%s", dev, snd_pcm_stream_name(stream)); in find_pcms()
231 ksft_print_msg("skipping pcm %d.%d.%s\n", card, dev, snd_pcm_stream_name(stream)); in find_pcms()
249 sprintf(key, "pcm.%d.%d.%s", dev, subdev, snd_pcm_stream_name(stream)); in find_pcms()
251 ksft_print_msg("skipping pcm %d.%d.%d.%s\n", card, dev, in find_pcms()
353 snprintf(msg, sizeof(msg), "Failed to get pcm handle: %s", snd_strerror(err)); in test_pcm_time()
554 void run_time_tests(struct pcm_data *pcm, enum test_class class, in run_time_tests() argument
574 test_pcm_time(pcm, clas in run_time_tests()
583 struct pcm_data *pcm; card_thread() local
600 struct pcm_data *pcm; main() local
[all...] |
| /linux/sound/soc/intel/boards/ |
| H A D | hda_dsp_common.c | 6 #include <sound/pcm.h>
17 * Search card topology and return PCM device number
28 spcm = rtd->pcm ? in hda_dsp_hdmi_pcm_handle()
29 rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].pcm : NULL; in hda_dsp_hdmi_pcm_handle()
32 return rtd->pcm; in hda_dsp_hdmi_pcm_handle()
41 * Search card topology and register HDMI PCM related controls
62 hpcm->pcm = spcm; in hda_dsp_hdmi_build_controls()
65 "mapping HDMI converter %d to PCM %d (%p)\n", in hda_dsp_hdmi_build_controls()
68 hpcm->pcm = NULL; in hda_dsp_hdmi_build_controls()
71 "%s: no PCM in topology for HDMI converter %d\n", in hda_dsp_hdmi_build_controls()
|