Allow dynamic codec reconfiguration (EXPERIMENTAL)

configname: CONFIG_SND_HDA_RECONFIG

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>PCI sound devices
└─>Intel HD Audio
└─>Allow dynamic codec reconfiguration (EXPERIMENTAL)
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Say Y here to enable the HD-audio codec re-configuration feature.
This adds the sysfs interfaces to allow user to clear the whole
codec configuration, change the codec setup, add extra verbs,
and re-configure the codec dynamically.