Comment 6 for bug 186664

Hello, the command cat /proc/sys/dev/cdrom/info indicates that it is not able to read audio cds.

cat /proc/sys/dev/cdrom/info
CD-ROM information, Id: cdrom.c 3.20 2003/12/17

drive name: hda
drive speed: 48
drive # of slots: 1
Can close tray: 1
Can open tray: 1
Can lock tray: 1
Can change speed: 1
Can select disk: 0
Can read multisession: 1
Can read MCN: 1
Reports media changed: 1
Can play audio: 0
Can write CD-R: 1
Can write CD-RW: 1
Can read DVD: 1
Can write DVD-R: 1
Can write DVD-RAM: 0
Can read MRW: 1
Can write MRW: 1
Can write RAM: 1

The command "echo 1 >/proc/sys/dev/cdrom/debug" or "sudo echo 1 >/proc/sys/dev/cdrom/debug" fails.
The answer is "permission denied"