[defaultuser@flame ~]$ ls -lh /data/vendor/audio/
total 4K     
drwxrwx---    3 media    audio       3.4K Feb 16 10:20 acdbdata
[defaultuser@flame ~]$ ls -lh /data/vendor/audio/acdbdata/
total 4K     
drwxrwx---    2 media    audio       3.4K Mar 26 19:38 delta
[defaultuser@flame ~]$ ls -lh /data/vendor/audio/acdbdata/delta/
total 0      
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Bluetooth_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Codec_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 General_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Global_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Handset_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Hdmi_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Headset_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 Speaker_cal.acdbdelta
-rw-------    1 defaultu defaultu       0 Mar 26 19:38 adsp_avs_config.acdbdelta