[alsa-devel] PCM Volume on FSC V5505

Jan-Simon Möller dl9pf at gmx.de
Fri Nov 23 17:45:21 CET 2007


Hi !
With the patches, the sound works - well done! 
But I need to make sure the PCM volume is max @ 50% .
If its over 50% sound is clipped and ugly (overload?).


Here's  cat /proc/asound/card0/codec#0  when in use (patched kernel with your 
patches for v5505)

Codec: Conexant CX20549 (Venice)
Address: 0
Vendor Id: 0x14f15045
Subsystem Id: 0x1734110e
Revision Id: 0x100100
No Modem Function Group found
Default PCM:
    rates [0x140]: 48000 96000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
Node 0x10 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0x28 0x28]
  Pincap 0x0810014: OUT EAPD Detect
  Pin Default 0x92170110: [Fixed] Speaker at Int Front
    Conn = Analog, Color = Unknown
  Pin-ctls: 0x40: OUT
  Power: 0x0
  Connection: 2
     0x19 0x17*
Node 0x11 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0x28 0x28]
  Pincap 0x08113c: IN OUT HP Detect
  Pin Default 0x0121401f: [Jack] HP Out at Ext Rear
    Conn = 1/8, Color = Green
  Pin-ctls: 0xc0: OUT HP
  Power: 0x0
  Connection: 2
     0x19 0x17*
Node 0x12 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0xab 0xab]
  Pincap 0x08113c: IN OUT HP Detect
  Pin Default 0x01a19020: [Jack] Mic at Ext Rear
    Conn = 1/8, Color = Pink
  Pin-ctls: 0x20: IN
  Power: 0x0
  Connection: 2
     0x19* 0x17
Node 0x13 [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x0810: OUT
  Pin Default 0x214571f0: [Jack] SPDIF Out at Sep Rear
    Conn = Optical, Color = Yellow
  Pin-ctls: 0x00:
  Connection: 1
     0x18
Node 0x14 [Pin Complex] wcaps 0x400081: Stereo
  Pincap 0x081124: IN Detect
  Pin Default 0x97a7012e: [Fixed] Mic at Int Riser
    Conn = Analog, Color = Unknown
  Pin-ctls: 0x24: IN
Node 0x15 [Pin Complex] wcaps 0x400001: Stereo
  Pincap 0x0820: IN
  Pin Default 0x400001f0: [N/A] Line Out at Ext N/A
    Conn = Unknown, Color = Unknown
  Pin-ctls: 0x00:
Node 0x16 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out
  Amp-Out caps: ofs=0x07, nsteps=0x07, stepsize=0x0b, mute=1
  Amp-Out vals:  [0x06]
Node 0x17 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In
  Amp-In caps: ofs=0x14, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-In vals:  [0x14 0x14] [0xab 0xab] [0xa0 0xa0] [0x80 0x80] [0x80 0x80]
  Power: 0x0
  Connection: 5
     0x19 0x14 0x12 0x11 0x15
Node 0x18 [Audio Output] wcaps 0x211: Stereo Digital
  PCM:
    rates [0x40]: 48000
    bits [0x6]: 16 20
    formats [0x5]: PCM AC3
Node 0x19 [Audio Output] wcaps 0xc11: Stereo
  PCM:
    rates [0x540]: 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power: 0x0
Node 0x1a [Audio Input] wcaps 0x100d0b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x17, stepsize=0x05, mute=1
  Amp-In vals:  [0x17 0x17] [0x00 0x00] [0x00 0x00] [0x00 0x00] [0x00 0x00]
  Power: 0x0
  Connection: 5
     0x17 0x14 0x12* 0x11 0x15
Node 0x1b [Vendor Defined Widget] wcaps 0xf00000: Mono


Best regards
Jan-Simon


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