| /linux/include/sound/ |
| H A D | pcm-indirect.h | 24 snd_pcm_uframes_t appl_ptr; /* Last seen appl_ptr */ member
39 snd_pcm_uframes_t appl_ptr = runtime->control->appl_ptr; in snd_pcm_indirect_playback_transfer() local
40 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr; in snd_pcm_indirect_playback_transfer()
49 rec->appl_ptr = appl_ptr; in snd_pcm_indirect_playback_transfer()
113 snd_pcm_uframes_t appl_ptr = runtime->control->appl_ptr; in snd_pcm_indirect_capture_transfer() local
114 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr; in snd_pcm_indirect_capture_transfer()
122 rec->appl_ptr = appl_ptr; in snd_pcm_indirect_capture_transfer()
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| H A D | rawmidi.h | 64 size_t appl_ptr; /* application pointer */ member
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| /linux/sound/core/ |
| H A D | pcm_compat.c | 165 u32 appl_ptr; member
212 .appl_ptr = status.appl_ptr, in snd_pcm_status_user_compat64()
389 u32 appl_ptr; member
422 get_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || in snd_pcm_ioctl_sync_ptr_x32()
438 control->appl_ptr = scontrol.appl_ptr; in snd_pcm_ioctl_sync_ptr_x32()
440 scontrol.appl_ptr = control->appl_ptr % boundary; in snd_pcm_ioctl_sync_ptr_x32()
460 put_user(scontrol.appl_ptr, &src->c.control.appl_ptr) || in snd_pcm_ioctl_sync_ptr_x32()
483 __u32 appl_ptr; member
515 err = pcm_lib_apply_appl_ptr(substream, sync_cp->appl_ptr); in snd_pcm_ioctl_sync_ptr_buggy()
519 sync_cp->appl_ptr = control->appl_ptr; in snd_pcm_ioctl_sync_ptr_buggy()
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| H A D | pcm_lib.c | 72 snd_pcm_uframes_t appl_ptr = READ_ONCE(runtime->control->appl_ptr); in snd_pcm_playback_silence() local
73 update_silence_vars(runtime, runtime->silence_start, appl_ptr); in snd_pcm_playback_silence()
78 noise_dist = appl_ptr - new_hw_ptr; in snd_pcm_playback_silence()
101 snd_pcm_sframes_t avail = runtime->control->appl_ptr - hw_ptr; in snd_pcm_playback_silence()
2228 snd_pcm_uframes_t appl_ptr) in pcm_lib_apply_appl_ptr() argument
2231 snd_pcm_uframes_t old_appl_ptr = runtime->control->appl_ptr; in pcm_lib_apply_appl_ptr()
2235 if (old_appl_ptr == appl_ptr) in pcm_lib_apply_appl_ptr()
2238 if (appl_ptr >= runtime->boundary) in pcm_lib_apply_appl_ptr()
2244 diff = appl_ptr - old_appl_ptr; in pcm_lib_apply_appl_ptr()
2254 runtime->control->appl_ptr = appl_ptr; in pcm_lib_apply_appl_ptr()
[all …]
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| H A D | pcm_local.h | 27 snd_pcm_uframes_t appl_ptr);
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| H A D | pcm.c | 464 snd_iprintf(buffer, "appl_ptr : %ld\n", runtime->control->appl_ptr); in snd_pcm_substream_proc_status_read()
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| /linux/tools/include/uapi/sound/ |
| H A D | asound.h | |
| /linux/include/uapi/sound/ |
| H A D | asound.h | 279 #define SNDRV_PCM_INFO_SYNC_APPLPTR 0x00000020 /* need the explicit sync of appl_ptr update */
298 #define SNDRV_PCM_INFO_NO_REWINDS 0x20000000 /* hardware can only support monotonic changes of appl_ptr */
486 snd_pcm_uframes_t appl_ptr; /* appl ptr */ member
541 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ member
546 #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */
585 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ member
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| /linux/tools/perf/trace/beauty/include/uapi/sound/ |
| H A D | asound.h | 486 snd_pcm_uframes_t appl_ptr; /* appl ptr */ member
541 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ member
585 snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ member
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| /linux/sound/drivers/ |
| H A D | aloop.c | 581 snd_pcm_uframes_t appl_ptr, appl_ptr1, diff; in copy_play_buf() local
582 appl_ptr = appl_ptr1 = runtime->control->appl_ptr; in copy_play_buf()
585 if (appl_ptr < appl_ptr1) in copy_play_buf()
587 diff = (appl_ptr - appl_ptr1) * play->pcm_salign; in copy_play_buf()
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| /linux/sound/soc/sof/intel/ |
| H A D | hda-pcm.c | 160 appl_pos = frames_to_bytes(runtime, runtime->control->appl_ptr); in hda_dsp_pcm_ack()
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| /linux/sound/soc/google/ |
| H A D | chv3-i2s.c | 259 bytes = frames_to_bytes(runtime, runtime->control->appl_ptr); in chv3_dma_ack()
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| /linux/sound/core/oss/ |
| H A D | pcm_oss.c | 1700 size = runtime->control->appl_ptr % runtime->period_size; in snd_pcm_oss_sync()
2053 snd_pcm_uframes_t appl_ptr; in snd_pcm_oss_simulate_fill() local
2054 appl_ptr = hw_ptr + runtime->buffer_size; in snd_pcm_oss_simulate_fill()
2055 appl_ptr %= runtime->boundary; in snd_pcm_oss_simulate_fill()
2056 runtime->control->appl_ptr = appl_ptr; in snd_pcm_oss_simulate_fill()
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| /linux/sound/soc/fsl/ |
| H A D | imx-pcm-rpmsg.c | 543 buffer_tail = (frames_to_bytes(runtime, runtime->control->appl_ptr) % in imx_rpmsg_pcm_ack()
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| /linux/sound/usb/ |
| H A D | pcm.c | 1499 avail = (runtime->control->appl_ptr - runtime->hw_ptr_base) in prepare_playback_urb()
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| /linux/Documentation/sound/kernel-api/ |
| H A D | writing-an-alsa-driver.rst | 2040 ``appl_ptr`` is updated in read or write operations. Some drivers like
2041 emu10k1-fx and cs46xx need to track the current ``appl_ptr`` for the
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