/sys/module/snd_hda_core/holders
Directories:

• /sys/module/snd_hda_core
• /sys/module/snd_hda_codec_generic
• /sys/module/snd_hda_codec_hdmi
• /sys/module/snd_hda_intel
• /sys/module/snd_hda_codec
• /sys/module/snd_hda_codec_realtek

Files: