| /Linux-v5.4/sound/core/ |
| D | pcm_memory.c | 36 static int preallocate_pcm_pages(struct snd_pcm_substream *substream, size_t size) in preallocate_pcm_pages() argument
38 struct snd_dma_buffer *dmab = &substream->dma_buffer; in preallocate_pcm_pages()
53 substream->pcm->card->number, substream->pcm->device, in preallocate_pcm_pages()
54 substream->stream ? 'c' : 'p', substream->number, in preallocate_pcm_pages()
55 substream->pcm->name, orig_size); in preallocate_pcm_pages()
62 static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream) in snd_pcm_lib_preallocate_dma_free() argument
64 if (substream->dma_buffer.area == NULL) in snd_pcm_lib_preallocate_dma_free()
66 snd_dma_free_pages(&substream->dma_buffer); in snd_pcm_lib_preallocate_dma_free()
67 substream->dma_buffer.area = NULL; in snd_pcm_lib_preallocate_dma_free()
76 void snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream) in snd_pcm_lib_preallocate_free() argument
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| D | pcm_native.c | 34 #define trace_hw_mask_param(substream, type, index, prev, curr) argument
35 #define trace_hw_interval_param(substream, type, index, prev, curr) argument
62 static int snd_pcm_hw_refine_old_user(struct snd_pcm_substream *substream,
64 static int snd_pcm_hw_params_old_user(struct snd_pcm_substream *substream,
106 void snd_pcm_stream_lock(struct snd_pcm_substream *substream) in snd_pcm_stream_lock() argument
108 snd_pcm_group_lock(&substream->self_group, substream->pcm->nonatomic); in snd_pcm_stream_lock()
118 void snd_pcm_stream_unlock(struct snd_pcm_substream *substream) in snd_pcm_stream_unlock() argument
120 snd_pcm_group_unlock(&substream->self_group, substream->pcm->nonatomic); in snd_pcm_stream_unlock()
132 void snd_pcm_stream_lock_irq(struct snd_pcm_substream *substream) in snd_pcm_stream_lock_irq() argument
134 snd_pcm_group_lock_irq(&substream->self_group, in snd_pcm_stream_lock_irq()
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| D | pcm_timer.c | 19 void snd_pcm_timer_resolution_change(struct snd_pcm_substream *substream) in snd_pcm_timer_resolution_change() argument
22 struct snd_pcm_runtime *runtime = substream->runtime; in snd_pcm_timer_resolution_change()
43 pcm_err(substream->pcm, in snd_pcm_timer_resolution_change()
54 struct snd_pcm_substream *substream; in snd_pcm_timer_resolution() local
56 substream = timer->private_data; in snd_pcm_timer_resolution()
57 return substream->runtime ? substream->runtime->timer_resolution : 0; in snd_pcm_timer_resolution()
62 struct snd_pcm_substream *substream; in snd_pcm_timer_start() local
64 substream = snd_timer_chip(timer); in snd_pcm_timer_start()
65 substream->timer_running = 1; in snd_pcm_timer_start()
71 struct snd_pcm_substream *substream; in snd_pcm_timer_stop() local
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| D | pcm.c | 108 struct snd_pcm_substream *substream; in snd_pcm_control_ioctl() local
136 for (substream = pstr->substream; substream; in snd_pcm_control_ioctl()
137 substream = substream->next) in snd_pcm_control_ioctl()
138 if (substream->number == (int)subdevice) in snd_pcm_control_ioctl()
140 if (substream == NULL) { in snd_pcm_control_ioctl()
145 err = snd_pcm_info_user(substream, info); in snd_pcm_control_ioctl()
330 static void snd_pcm_proc_info_read(struct snd_pcm_substream *substream, in snd_pcm_proc_info_read() argument
336 if (! substream) in snd_pcm_proc_info_read()
343 err = snd_pcm_info(substream, info); in snd_pcm_proc_info_read()
366 snd_pcm_proc_info_read(((struct snd_pcm_str *)entry->private_data)->substream, in snd_pcm_stream_proc_info_read()
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| D | pcm_trace.h | 12 TP_PROTO(struct snd_pcm_substream *substream, snd_pcm_uframes_t pos, bool irq),
13 TP_ARGS(substream, pos, irq),
28 __entry->card = (substream)->pcm->card->number;
29 __entry->device = (substream)->pcm->device;
30 __entry->number = (substream)->number;
31 __entry->stream = (substream)->stream;
33 __entry->period_size = (substream)->runtime->period_size;
34 __entry->buffer_size = (substream)->runtime->buffer_size;
35 __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
36 __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base;
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| D | pcm_dmaengine.c | 30 const struct snd_pcm_substream *substream) in substream_to_prtd() argument
32 return substream->runtime->private_data; in substream_to_prtd()
35 struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream) in snd_dmaengine_pcm_get_chan() argument
37 struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); in snd_dmaengine_pcm_get_chan()
52 int snd_hwparams_to_dma_slave_config(const struct snd_pcm_substream *substream, in snd_hwparams_to_dma_slave_config() argument
73 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in snd_hwparams_to_dma_slave_config()
105 const struct snd_pcm_substream *substream, in snd_dmaengine_pcm_set_config_from_dai_data() argument
109 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in snd_dmaengine_pcm_set_config_from_dai_data()
133 struct snd_pcm_substream *substream = arg; in dmaengine_pcm_dma_complete() local
134 struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream); in dmaengine_pcm_dma_complete()
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| D | pcm_local.h | 23 int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream);
24 int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream);
29 int pcm_lib_apply_appl_ptr(struct snd_pcm_substream *substream,
31 int snd_pcm_update_state(struct snd_pcm_substream *substream,
33 int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream);
35 void snd_pcm_playback_silence(struct snd_pcm_substream *substream,
39 snd_pcm_avail(struct snd_pcm_substream *substream) in snd_pcm_avail() argument
41 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in snd_pcm_avail()
42 return snd_pcm_playback_avail(substream->runtime); in snd_pcm_avail()
44 return snd_pcm_capture_avail(substream->runtime); in snd_pcm_avail()
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| D | rawmidi.c | 75 static inline int snd_rawmidi_ready(struct snd_rawmidi_substream *substream) in snd_rawmidi_ready() argument
77 struct snd_rawmidi_runtime *runtime = substream->runtime; in snd_rawmidi_ready()
82 static inline int snd_rawmidi_ready_append(struct snd_rawmidi_substream *substream, in snd_rawmidi_ready_append() argument
85 struct snd_rawmidi_runtime *runtime = substream->runtime; in snd_rawmidi_ready_append()
88 (!substream->append || runtime->avail >= count); in snd_rawmidi_ready_append()
97 runtime->event(runtime->substream); in snd_rawmidi_input_event_work()
100 static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream) in snd_rawmidi_runtime_create() argument
107 runtime->substream = substream; in snd_rawmidi_runtime_create()
114 if (substream->stream == SNDRV_RAWMIDI_STREAM_INPUT) in snd_rawmidi_runtime_create()
124 substream->runtime = runtime; in snd_rawmidi_runtime_create()
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| /Linux-v5.4/sound/arm/ |
| D | pxa2xx-pcm-lib.c | 32 int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, in pxa2xx_pcm_hw_params() argument
35 struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); in pxa2xx_pcm_hw_params()
36 struct snd_soc_pcm_runtime *rtd = substream->private_data; in pxa2xx_pcm_hw_params()
41 dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); in pxa2xx_pcm_hw_params()
45 ret = snd_hwparams_to_dma_slave_config(substream, params, &config); in pxa2xx_pcm_hw_params()
49 snd_dmaengine_pcm_set_config_from_dai_data(substream, in pxa2xx_pcm_hw_params()
50 snd_soc_dai_get_dma_data(rtd->cpu_dai, substream), in pxa2xx_pcm_hw_params()
57 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in pxa2xx_pcm_hw_params()
63 int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) in pxa2xx_pcm_hw_free() argument
65 snd_pcm_set_runtime_buffer(substream, NULL); in pxa2xx_pcm_hw_free()
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| /Linux-v5.4/sound/soc/fsl/ |
| D | imx-pcm-fiq.c | 39 struct snd_pcm_substream *substream; member
48 struct snd_pcm_substream *substream = iprtd->substream; in snd_hrtimer_callback() local
56 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in snd_hrtimer_callback()
61 snd_pcm_period_elapsed(substream); in snd_hrtimer_callback()
72 static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream, in snd_imx_pcm_hw_params() argument
75 struct snd_pcm_runtime *runtime = substream->runtime; in snd_imx_pcm_hw_params()
83 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); in snd_imx_pcm_hw_params()
88 static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream) in snd_imx_pcm_prepare() argument
90 struct snd_pcm_runtime *runtime = substream->runtime; in snd_imx_pcm_prepare()
95 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in snd_imx_pcm_prepare()
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| D | fsl_asrc_dma.c | 46 struct snd_pcm_substream *substream = arg; in fsl_asrc_dma_complete() local
47 struct snd_pcm_runtime *runtime = substream->runtime; in fsl_asrc_dma_complete()
50 pair->pos += snd_pcm_lib_period_bytes(substream); in fsl_asrc_dma_complete()
51 if (pair->pos >= snd_pcm_lib_buffer_bytes(substream)) in fsl_asrc_dma_complete()
54 snd_pcm_period_elapsed(substream); in fsl_asrc_dma_complete()
57 static int fsl_asrc_dma_prepare_and_submit(struct snd_pcm_substream *substream) in fsl_asrc_dma_prepare_and_submit() argument
59 u8 dir = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? OUT : IN; in fsl_asrc_dma_prepare_and_submit()
60 struct snd_soc_pcm_runtime *rtd = substream->private_data; in fsl_asrc_dma_prepare_and_submit()
61 struct snd_pcm_runtime *runtime = substream->runtime; in fsl_asrc_dma_prepare_and_submit()
68 if (!substream->runtime->no_period_wakeup) in fsl_asrc_dma_prepare_and_submit()
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| /Linux-v5.4/sound/firewire/dice/ |
| D | dice-pcm.c | 14 struct snd_pcm_substream *substream = rule->private; in dice_rate_constraint() local
15 struct snd_dice *dice = substream->private_data; in dice_rate_constraint()
16 unsigned int index = substream->pcm->device; in dice_rate_constraint()
29 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in dice_rate_constraint()
52 struct snd_pcm_substream *substream = rule->private; in dice_channels_constraint() local
53 struct snd_dice *dice = substream->private_data; in dice_channels_constraint()
54 unsigned int index = substream->pcm->device; in dice_channels_constraint()
67 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in dice_channels_constraint()
126 struct snd_pcm_substream *substream) in init_hw_info() argument
128 struct snd_pcm_runtime *runtime = substream->runtime; in init_hw_info()
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| /Linux-v5.4/sound/firewire/fireface/ |
| D | ff-midi.c | 10 static int midi_capture_open(struct snd_rawmidi_substream *substream) in midi_capture_open() argument
16 static int midi_playback_open(struct snd_rawmidi_substream *substream) in midi_playback_open() argument
18 struct snd_ff *ff = substream->rmidi->private_data; in midi_playback_open()
21 ff->on_sysex[substream->number] = 0; in midi_playback_open()
22 ff->rx_midi_error[substream->number] = false; in midi_playback_open()
24 WRITE_ONCE(ff->rx_midi_substreams[substream->number], substream); in midi_playback_open()
29 static int midi_capture_close(struct snd_rawmidi_substream *substream) in midi_capture_close() argument
35 static int midi_playback_close(struct snd_rawmidi_substream *substream) in midi_playback_close() argument
37 struct snd_ff *ff = substream->rmidi->private_data; in midi_playback_close()
39 cancel_work_sync(&ff->rx_midi_work[substream->number]); in midi_playback_close()
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| /Linux-v5.4/include/sound/ |
| D | pcm.h | 20 #define snd_pcm_substream_chip(substream) ((substream)->private_data) argument
53 int (*open)(struct snd_pcm_substream *substream);
54 int (*close)(struct snd_pcm_substream *substream);
55 int (*ioctl)(struct snd_pcm_substream * substream,
57 int (*hw_params)(struct snd_pcm_substream *substream,
59 int (*hw_free)(struct snd_pcm_substream *substream);
60 int (*prepare)(struct snd_pcm_substream *substream);
61 int (*trigger)(struct snd_pcm_substream *substream, int cmd);
62 snd_pcm_uframes_t (*pointer)(struct snd_pcm_substream *substream);
63 int (*get_time_info)(struct snd_pcm_substream *substream,
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| /Linux-v5.4/sound/soc/bcm/ |
| D | cygnus-pcm.c | 208 struct snd_pcm_substream *substream) in cygnus_dai_get_dma_data() argument
210 struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; in cygnus_dai_get_dma_data()
212 return snd_soc_dai_get_dma_data(soc_runtime->cpu_dai, substream); in cygnus_dai_get_dma_data()
256 static int configure_ringbuf_regs(struct snd_pcm_substream *substream) in configure_ringbuf_regs() argument
262 aio = cygnus_dai_get_dma_data(substream); in configure_ringbuf_regs()
265 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in configure_ringbuf_regs()
305 static struct ringbuf_regs *get_ringbuf(struct snd_pcm_substream *substream) in get_ringbuf() argument
310 aio = cygnus_dai_get_dma_data(substream); in get_ringbuf()
312 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) in get_ringbuf()
320 static void enable_intr(struct snd_pcm_substream *substream) in enable_intr() argument
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| /Linux-v5.4/sound/firewire/tascam/ |
| D | tascam-pcm.c | 11 struct snd_pcm_substream *substream) in pcm_init_hw_params() argument
13 struct snd_pcm_runtime *runtime = substream->runtime; in pcm_init_hw_params()
18 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { in pcm_init_hw_params()
43 static int pcm_open(struct snd_pcm_substream *substream) in pcm_open() argument
45 struct snd_tscm *tscm = substream->private_data; in pcm_open()
54 err = pcm_init_hw_params(tscm, substream); in pcm_open()
68 substream->runtime->hw.rate_min = rate; in pcm_open()
69 substream->runtime->hw.rate_max = rate; in pcm_open()
72 snd_pcm_set_sync(substream); in pcm_open()
80 static int pcm_close(struct snd_pcm_substream *substream) in pcm_close() argument
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| /Linux-v5.4/sound/soc/sof/ |
| D | pcm.c | 22 static int create_page_table(struct snd_pcm_substream *substream, in create_page_table() argument
25 struct snd_soc_pcm_runtime *rtd = substream->private_data; in create_page_table()
30 struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream); in create_page_table()
31 int stream = substream->stream; in create_page_table()
41 static int sof_pcm_dsp_params(struct snd_sof_pcm *spcm, struct snd_pcm_substream *substream, in sof_pcm_dsp_params() argument
46 int ret = snd_sof_ipc_pcm_params(sdev, substream, reply); in sof_pcm_dsp_params()
64 snd_pcm_period_elapsed(sps->substream); in sof_pcm_period_elapsed_work()
70 void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream) in snd_sof_pcm_period_elapsed() argument
72 struct snd_soc_pcm_runtime *rtd = substream->private_data; in snd_sof_pcm_period_elapsed()
93 schedule_work(&spcm->stream[substream->stream].period_elapsed_work); in snd_sof_pcm_period_elapsed()
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| /Linux-v5.4/drivers/staging/vc04_services/bcm2835-audio/ |
| D | bcm2835-pcm.c | 55 struct snd_pcm_substream *substream = alsa_stream->substream; in bcm2835_playback_fifo() local
62 snd_pcm_stream_lock(substream); in bcm2835_playback_fifo()
63 snd_pcm_stop(substream, in bcm2835_playback_fifo()
67 snd_pcm_stream_unlock(substream); in bcm2835_playback_fifo()
80 snd_pcm_period_elapsed(substream); in bcm2835_playback_fifo()
86 struct snd_pcm_substream *substream, int spdif) in snd_bcm2835_playback_open_generic() argument
88 struct bcm2835_chip *chip = snd_pcm_substream_chip(substream); in snd_bcm2835_playback_open_generic()
89 struct snd_pcm_runtime *runtime = substream->runtime; in snd_bcm2835_playback_open_generic()
95 idx = substream->number; in snd_bcm2835_playback_open_generic()
120 alsa_stream->substream = substream; in snd_bcm2835_playback_open_generic()
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| /Linux-v5.4/sound/drivers/pcsp/ |
| D | pcsp_lib.c | 32 struct snd_pcm_substream *substream; in pcsp_call_pcm_elapsed() local
33 substream = pcsp_chip.playback_substream; in pcsp_call_pcm_elapsed()
34 if (substream) in pcsp_call_pcm_elapsed()
35 snd_pcm_period_elapsed(substream); in pcsp_call_pcm_elapsed()
48 struct snd_pcm_substream *substream; in pcsp_timer_update() local
58 substream = chip->playback_substream; in pcsp_timer_update()
59 if (!substream) in pcsp_timer_update()
62 runtime = substream->runtime; in pcsp_timer_update()
90 struct snd_pcm_substream *substream; in pcsp_pointer_update() local
96 substream = chip->playback_substream; in pcsp_pointer_update()
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| /Linux-v5.4/sound/pci/au88x0/ |
| D | au88x0_pcm.c | 126 static int snd_vortex_pcm_open(struct snd_pcm_substream *substream) in snd_vortex_pcm_open() argument
128 vortex_t *vortex = snd_pcm_substream_chip(substream); in snd_vortex_pcm_open()
129 struct snd_pcm_runtime *runtime = substream->runtime; in snd_vortex_pcm_open()
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()
170 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && in snd_vortex_pcm_open()
172 VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { in snd_vortex_pcm_open()
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| /Linux-v5.4/sound/firewire/oxfw/ |
| D | oxfw-pcm.c | 110 struct snd_pcm_substream *substream) in init_hw_params() argument
112 struct snd_pcm_runtime *runtime = substream->runtime; in init_hw_params()
117 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { in init_hw_params()
146 static int limit_to_current_params(struct snd_pcm_substream *substream) in limit_to_current_params() argument
148 struct snd_oxfw *oxfw = substream->private_data; in limit_to_current_params()
153 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) in limit_to_current_params()
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()
164 substream->runtime->hw.rate_min = formation.rate; in limit_to_current_params()
165 substream->runtime->hw.rate_max = formation.rate; in limit_to_current_params()
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| /Linux-v5.4/sound/soc/kirkwood/ |
| D | kirkwood-dma.c | 101 static int kirkwood_dma_open(struct snd_pcm_substream *substream) in kirkwood_dma_open() argument
104 struct snd_pcm_runtime *runtime = substream->runtime; in kirkwood_dma_open()
105 struct kirkwood_dma_data *priv = kirkwood_priv(substream); in kirkwood_dma_open()
109 snd_soc_set_runtime_hwparams(substream, &kirkwood_dma_snd_hw); in kirkwood_dma_open()
125 err = snd_pcm_hw_constraint_step(substream->runtime, 0, in kirkwood_dma_open()
145 addr = substream->dma_buffer.addr; in kirkwood_dma_open()
146 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { in kirkwood_dma_open()
149 priv->substream_play = substream; in kirkwood_dma_open()
155 priv->substream_rec = substream; in kirkwood_dma_open()
163 static int kirkwood_dma_close(struct snd_pcm_substream *substream) in kirkwood_dma_close() argument
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| /Linux-v5.4/sound/firewire/digi00x/ |
| D | digi00x-pcm.c | 58 struct snd_pcm_substream *substream) in pcm_init_hw_params() argument
60 struct snd_pcm_runtime *runtime = substream->runtime; in pcm_init_hw_params()
66 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { in pcm_init_hw_params()
67 substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S32; in pcm_init_hw_params()
70 substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S32; in pcm_init_hw_params()
83 err = snd_pcm_hw_rule_add(substream->runtime, 0, in pcm_init_hw_params()
90 err = snd_pcm_hw_rule_add(substream->runtime, 0, in pcm_init_hw_params()
97 return amdtp_dot_add_pcm_hw_constraints(s, substream->runtime); in pcm_init_hw_params()
100 static int pcm_open(struct snd_pcm_substream *substream) in pcm_open() argument
102 struct snd_dg00x *dg00x = substream->private_data; in pcm_open()
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| /Linux-v5.4/sound/pci/ctxfi/ |
| D | ctpcm.c | 97 if (!apcm->substream) in ct_atc_pcm_interrupt()
100 snd_pcm_period_elapsed(apcm->substream); in ct_atc_pcm_interrupt()
106 struct ct_atc *atc = snd_pcm_substream_chip(apcm->substream); in ct_atc_pcm_free_substream()
115 static int ct_pcm_playback_open(struct snd_pcm_substream *substream) in ct_pcm_playback_open() argument
117 struct ct_atc *atc = snd_pcm_substream_chip(substream); in ct_pcm_playback_open()
118 struct snd_pcm_runtime *runtime = substream->runtime; in ct_pcm_playback_open()
126 apcm->substream = substream; in ct_pcm_playback_open()
128 if (IEC958 == substream->pcm->device) { in ct_pcm_playback_open()
133 if (FRONT == substream->pcm->device) in ct_pcm_playback_open()
163 static int ct_pcm_playback_close(struct snd_pcm_substream *substream) in ct_pcm_playback_close() argument
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| /Linux-v5.4/sound/isa/wavefront/ |
| D | wavefront_midi.c | 90 get_wavefront_midi (struct snd_rawmidi_substream *substream) in get_wavefront_midi() argument
96 if (substream == NULL || substream->rmidi == NULL) in get_wavefront_midi()
99 card = substream->rmidi->card; in get_wavefront_midi()
229 static int snd_wavefront_midi_input_open(struct snd_rawmidi_substream *substream) in snd_wavefront_midi_input_open() argument
235 if (snd_BUG_ON(!substream || !substream->rmidi)) in snd_wavefront_midi_input_open()
237 if (snd_BUG_ON(!substream->rmidi->private_data)) in snd_wavefront_midi_input_open()
240 mpu = *((snd_wavefront_mpu_id *) substream->rmidi->private_data); in snd_wavefront_midi_input_open()
242 if ((midi = get_wavefront_midi (substream)) == NULL) in snd_wavefront_midi_input_open()
247 midi->substream_input[mpu] = substream; in snd_wavefront_midi_input_open()
253 static int snd_wavefront_midi_output_open(struct snd_rawmidi_substream *substream) in snd_wavefront_midi_output_open() argument
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