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ALSA: hda - introduce HDA_SUBDEV_AMP_FLAG (ControlAmp in proc)

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The purpose of this changeset is to show information about amplifier
setting in the codec proc file. Something like:

  Control: name="Front Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Front Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=2, ofs=0

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela
2009-12-08 17:45:25 +01:00
parent 5b0cb1d850
commit 9e3fd8719f
9 changed files with 50 additions and 23 deletions
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4
sound/pci/hda/patch_via.c
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@ -458,7 +458,9 @@ static int via_add_control(struct via_spec *spec, int type, const char *name,
if (!knew->name)
return -ENOMEM;
if (get_amp_nid_(val))
knew->subdevice = HDA_SUBDEV_NID_FLAG | get_amp_nid_(val);
knew->subdevice = HDA_SUBDEV_NID_FLAG |
HDA_SUBDEV_AMP_FLAG |
get_amp_nid_(val);
knew->private_value = val;
return 0;
}