/sys/module/snd/holders
Directories:

• /sys/module/snd
• /sys/module/snd_hda_codec_generic
• /sys/module/snd_hda_codec_hdmi
• /sys/module/snd_hwdep
• /sys/module/snd_hda_intel
• /sys/module/snd_hda_codec
• /sys/module/snd_hda_codec_realtek
• /sys/module/snd_timer
• /sys/module/snd_pcm

Files: