On 5/15/07, Takashi Iwai <tiwai@xxxxxxx> wrote:
> If this is 100% reproducible, you'll see likely a difference in
> /proc/asound/card0/codec#* file between working and non-working
> states. Could you attach codec files in both states?
>
I have to do 4 things to enable the microphone (a built-in one) as
follows (with diffs of codec between steps)
1) Turn on capture and mux on and set them on max
Node 0x12 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
- Amp-Out vals: [0x00 0x00]
+ Amp-Out vals: [0x04 0x04]
Connection: 7
0x0e* 0x15 0x0f 0x0b 0x0c 0x0d 0x0a
Node 0x17 [Audio Selector] wcaps 0x300903: Stereo Amp-In
Amp-In caps: N/A
- Amp-In vals: [0x80 0x80]
+ Amp-In vals: [0x0e 0x0e]
Connection: 1
0x12
2) Switch from Mic to Front Mic - no changes
3) Switch from Front Mic back to Mic
Node 0x12 [Audio Selector] wcaps 0x30010d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x04, stepsize=0x27, mute=0
Amp-Out vals: [0x04 0x04]
Connection: 7
- 0x0e* 0x15 0x0f 0x0b 0x0c 0x0d 0x0a
+ 0x0e 0x15 0x0f 0x0b* 0x0c 0x0d 0x0a
4) Put Capture on minimum and the mic will start recording with dodgy quality.
Node 0x17 [Audio Selector] wcaps 0x300903: Stereo Amp-In
Amp-In caps: N/A
- Amp-In vals: [0x0e 0x0e]
+ Amp-In vals: [0x00 0x00]
On 5/15/07, Takashi Iwai <tiwai@xxxxxxx> wrote:
> The quality problem is perhaps because of the wrong pin setting.
> It's set in Hi-Z without vref. But it's a bit strange because
> stac92xx_get_vref() should return the proper vref value. Could you
> check whether this really gets called and which value is returned,
> e.g. by adding printk() there?
It doesn't get called according to my tests.
I've also tested with Alsa HG, but I can no longer make the mic work
with the steps descrived, not to mention that with imac-intel model I
get no sound.
Regards.
--
Ivan N. Zlatev
Web: http://www.i-nZ.net
"It's all some kind of whacked out conspiracy."
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