lspci
00:00.0 Host bridge: Intel Corporation 82X38/X48 Express DRAM Controller (rev 01)
00:06.0 PCI bridge: Intel Corporation 82X38/X48 Express Host-Secondary PCI Express Bridge (rev 01)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA IDE Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation GT200 [GeForce GTX 260] (rev a1)
03:00.0 SATA controller: JMicron Technology Corp. JMB362/JMB363 AHCI Controller (rev 02)
03:00.1 IDE interface: JMicron Technology Corp. JMB362/JMB363 AHCI Controller (rev 02)
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
06:01.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
06:01.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
06:06.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)

$ lsmod | grep snd
snd_bt87x              12644  1 
snd_seq_dummy           2752  0 
snd_seq_oss            29280  0 
snd_seq_midi            6624  0 
snd_rawmidi            22336  1 snd_seq_midi
snd_seq_midi_event      6940  2 snd_seq_oss,snd_seq_midi
snd_hwdep               7392  0 
snd_seq                51088  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_pcm_oss            37312  0 
snd_seq_device          7208  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd_mixer_oss          16220  1 snd_pcm_oss
snd_pcm                76416  2 snd_bt87x,snd_pcm_oss
snd_timer              21540  2 snd_seq,snd_pcm
snd                    61188  14 snd_bt87x,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_hwdep,snd_seq,snd_pcm_oss,snd_seq_device,snd_mixer_oss,snd_pcm,snd_timer
snd_page_alloc          9060  2 snd_bt87x,snd_pcm
soundcore               7264  1 snd

$ hwinfo --sound
15: PCI 1b.0: 0403 Audio device                                 
  [Created at pci.318]
  UDI: /org/freedesktop/Hal/devices/pci_8086_293e
  Unique ID: u1Nb.GsMkNcEh1qD
  SysFS ID: /devices/pci0000:00/0000:00:1b.0
  SysFS BusID: 0000:00:1b.0
  Hardware Class: sound
  Model: "Intel 82801I (ICH9 Family) HD Audio Controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x293e "82801I (ICH9 Family) HD Audio Controller"
  SubVendor: pci 0x1458 "Giga-byte Technology"
  SubDevice: pci 0xa022 
  Revision: 0x02
  Memory Range: 0xea500000-0xea503fff (rw,non-prefetchable)
  IRQ: 5 (no events)
  Module Alias: "pci:v00008086d0000293Esv00001458sd0000A022bc04sc03i00"
  Driver Info #0:
    Driver Status: snd_hda_intel is not active
    Driver Activation Cmd: "modprobe snd_hda_intel"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

$ modprobe snd_hda_intel
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
FATAL: Error inserting snd_hda_intel (/lib/modules/2.6.31-22-generic/updates/alsa/pci/hda/snd-hda-intel.ko): Operation not permitted

$ cat /proc/asound/card0/codec#*
cat: /proc/asound/card0/codec#*: No existe el fichero ó directorio

$ sudo alsa reload

lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/alida/.gvfs
      Output information may be incomplete.
/sbin/alsa: Warning: Processes using sound devices: 2823(pulseaudio). 
Unloading ALSA sound driver modules: snd-bt87x snd-seq-dummy snd-seq-oss snd-seq-midi snd-rawmidi snd-seq-midi-event snd-hwdep snd-seq snd-pcm-oss snd-seq-device snd-mixer-oss snd-pcm snd-timer snd-page-alloc (failed: modules still loaded: snd-bt87x snd-pcm snd-timer snd-page-alloc).
Loading ALSA sound driver modules: snd-bt87x snd-seq-dummy snd-seq-oss snd-seq-midi snd-rawmidi snd-seq-midi-event snd-hwdep snd-seq snd-pcm-oss snd-seq-device snd-mixer-oss snd-pcm snd-timer snd-page-allocWARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
WARNING: All config files need .conf: /etc/modprobe.d/optinos bttv card, it will be ignored in a future release.
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