[alsa-devel] HD-audio regression after commit 34588709af61be1550b4e2bcee5c85d0ac4f34d4

[Raymond Yau]

> > >
> > >Seen many ad1988 controls are missing ?
> > >
> > >1) rear Mic, line , front Mic  playback volume and switch
> > >2) CD playback switch
> > >3) input mix in input source
> > >4) analog loopback mix volume and mute switch
> >
> > I can confirm both: no sound after resume and missing controls.
> > Attached are captures from the mixer control list using linux stable
> > and sound unstable, both with BIOS autoprobe.
>
> Give alsa-info.sh outputs before and after suspend, instead.
>

Is there any special reason to use alt_capture_device since the input
sources of three ADC of ad1988/1989 are same ?

Ones of ADC of some realtek codec has more input source than the other ADCs

**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: AD1989B Analog [AD1989B Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 2: AD1989B Analog [AD1989B Analog]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1


Node 0x21 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Control: name="Analog Mix Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Analog Mix Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x1f, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-Out vals:  [0x1f 0x1f]
  Connection: 1
     0x20

The input source "mix" from node 0x20 audio mixer

Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Front Mic' 'Rear Mic' 'Line' 'CD' 'Mix'
  Item0: 'Front Mic'

Node 0x0c [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
  Control: name="Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Capture Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Input Source", index=0, device=0
  Amp-Out caps: ofs=0x27, nsteps=0x36, stepsize=0x05, mute=1
  Amp-Out vals:  [0x2f 0x2f]
  Connection: 11
     0x38 0x39* 0x3a 0x3b 0x3c 0x18 0x24 0x25 0x3d 0x20 0x1f

Node 0x20 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Control: name="Front Mic Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Front Mic Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Rear Mic Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=4, ofs=0
  Control: name="Rear Mic Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=4, ofs=0
  Control: name="Line Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=1, ofs=0
  Control: name="Line Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=1, ofs=0
  Control: name="CD Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=6, ofs=0
  Control: name="CD Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=6, ofs=0
  Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80]
[0x80 0x80] [0x80 0x80] [0x80 0x80]
  Connection: 8
     0x39 0x33 0x38 0x3d 0x34 0x3b 0x18 0x1a