最終更新:2024-10-31 (木) 01:14:05 (261d)  

Linux/proc/asound
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ALSAのprocfs

https://www.kernel.org/doc/html/latest/sound/designs/procfile.html

https://docs.kernel.org/sound/designs/procfile.html

ディレクトリ

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ファイル

  • Linux/proc/asound/AudioPCI?
    Linux/proc/asound/cardsShows the list of currently configured ALSA drivers, index, the id string, short and long descriptions.
    Linux/proc/asound/devicesLists the ALSA native device mappings.
    Linux/proc/asound/modules?Lists the module of each card
    Linux/proc/asound/pcm?Lists the currently available PCM devices in format of <card>-<device>: <id>: <name> : <sub-streams>
    Linux/proc/asound/timers?
    Linux/proc/asound/version?Shows the version string and compile date.
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tree 

  • ├── card0
│   ├── codec97#0
│   │   ├── ac97#0-0
│   │   └── ac97#0-0+regs
│   ├── id
│   ├── intel8x0
│   ├── pcm0c
│   │   ├── info
│   │   └── sub0
│   │       ├── hw_params
│   │       ├── info
│   │       ├── prealloc
│   │       ├── prealloc_max
│   │       ├── status
│   │       └── sw_params
│   ├── pcm0p
│   │   ├── info
│   │   └── sub0
│   │       ├── hw_params
│   │       ├── info
│   │       ├── prealloc
│   │       ├── prealloc_max
│   │       ├── status
│   │       └── sw_params
│   └── pcm1c
│       ├── info
│       └── sub0
│           ├── hw_params
│           ├── info
│           ├── prealloc
│           ├── prealloc_max
│           ├── status
│           └── sw_params
├── cards
├── devices
├── I82801AAICH -> card0  [recursive, not followed]
├── modules
├── oss
│   ├── devices
│   └── sndstat
├── pcm
├── seq
│   ├── clients
│   ├── drivers
│   ├── queues
│   └── timer
├── timers
└── version
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