At Tue, 14 Apr 2009 15:43:33 +0200,
Johannes Berg wrote:
>
> On Tue, 2009-04-14 at 15:40 +0200, Takashi Iwai wrote:
>
> > > Node 0x0d [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
> > > Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
> > > - Amp-In vals: [0x00 0x00] [0x00 0x00]
> > > + Amp-In vals: [0x80 0x80] [0x00 0x00]
> > > Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
> > > Amp-Out vals: [0x25 0x25]
> > > Connection: 2
> >
> > So the widget 0x0d is muted. Maybe the channel mode control
> > doesn't do caching the value properly...
>
> No idea :)
>
> > Could you give the raw alsa-info.sh output?
>
> Sure, below (before hibernating).
Thanks. Could you try the patch below?
> Mind you -- mbp3 isn't really the correct thing for my machine, the
> microphone also seems to be bad when using it -- but I haven't gotten
> around to writing a proper description or trying to find it even.
Hm, could you be a bit more specific? "seems to be bad" is relatively
subjective expression :)
Takashi
---
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index a4e5e59..fd6e6f3 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2250,7 +2250,11 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
err = bus->ops.command(bus, res);
if (!err) {
struct hda_cache_head *c;
- u32 key = build_cmd_cache_key(nid, verb);
+ u32 key;
+ /* parm may contain the verb stuff for get/set amp */
+ verb = verb | (parm >> 8);
+ parm &= 0xff;
+ key = build_cmd_cache_key(nid, verb);
c = get_alloc_hash(&codec->cmd_cache, key);
if (c)
c->val = parm;
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