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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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sound/pci/hda/patch_conexant.c
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@@ -2178,6 +2178,7 @@ static struct snd_kcontrol_new cxt5066_mixer_master_olpc[] = {
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,
.subdevice = HDA_SUBDEV_NID_FLAG | HDA_SUBDEV_AMP_FLAG | 0x10,
.info = snd_hda_mixer_amp_volume_info,
.get = snd_hda_mixer_amp_volume_get,
.put = snd_hda_mixer_amp_volume_put,