More verbose debug

configname: CONFIG_SND_DEBUG_VERBOSE

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>More verbose debug
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Say Y here to enable extra-verbose debugging messages.

Let me repeat: it enables EXTRA-VERBOSE DEBUGGING messages.
So, say Y only if you are ready to be annoyed.