最終更新:2024-10-31 (木) 02:48:10 (247d)
Linux/proc/asound/devices
$ cat devices 1: : sequencer 2: [ 0- 0]: digital audio playback 3: [ 0- 0]: digital audio capture 4: [ 0- 1]: digital audio capture 5: [ 0] : control 33: : timer
- マイナー番号: [カード番号-サブデバイス番号]
表示
- sound/core/sound.c?のsnd_minor_info_read?
https://github.com/torvalds/linux/blob/master/sound/core/sound.c#L348
snd_iprintf(buffer, "%3i: [%2i-%2i]: %s\n", minor, mptr->card, mptr->device, snd_device_type_name(mptr->type));
minor ALSA/マイナー番号 mptr->card mptr->device snd_device_type_name?(mptr->type) digital audio playback