alsa

gistfile1.txt

[Lotus@lotus ctf]$ cat /proc/asound/
card0/   cards    devices  hwdep    modules  oss/     PCH/     pcm      seq/     timers   version  
[Lotus@lotus ctf]$ cat /proc/asound/modules 
 0 snd_hda_intel
[Lotus@lotus ctf]$ cat /proc/asound/pcm
00-00: ALC295 Analog : ALC295 Analog : playback 1 : capture 1
00-03: HDMI 0 : HDMI 0 : playback 1
00-07: HDMI 1 : HDMI 1 : playback 1
00-08: HDMI 2 : HDMI 2 : playback 1
00-09: HDMI 3 : HDMI 3 : playback 1
00-10: HDMI 4 : HDMI 4 : playback 1
[Lotus@lotus ctf]$ cat /proc/asound/devices 
  1:        : sequencer
  2: [ 0]   : control
  3: [ 0- 0]: digital audio playback
  4: [ 0- 0]: digital audio capture
  5: [ 0- 3]: digital audio playback
  6: [ 0- 7]: digital audio playback
  7: [ 0- 8]: digital audio playback
  8: [ 0- 9]: digital audio playback
  9: [ 0-10]: digital audio playback
 10: [ 0- 0]: hardware dependent
 11: [ 0- 2]: hardware dependent
 33:        : timer
[Lotus@lotus ctf]$ cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xef228000 irq 134
[Lotus@lotus ctf]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC295 Analog [ALC295 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
[Lotus@lotus ctf]$ sudo cat /etc/modprobe.d/alsa-base.conf
cat: /etc/modprobe.d/alsa-base.conf: No such file or directory