[alsa-devel] My Codec: IDT 92HD75B3X5 issues

[Takashi Iwai]

At Wed, 30 Sep 2009 08:18:31 +0300,
 Munzir Taha (=?utf-8?q?=D9=85=D9=86=D8=B0=D8=B1?=   =?utf-8?q?_=D8=B7=D9=87?=) wrote:
> 
> On Yau al-Thulatha 09 Shawwal 1430 5:37:04 pm you wrote:
> > At Tue, 29 Sep 2009 16:24:29 +0300,
> > 
> >  Munzir Taha (=?utf-8?q?=D9=85=D9=86=D8=B0=D8=B1?=   
> =?utf-8?q?_=D8=B7=D9=87?=) wrote:
> > > On Yau al-Thulatha 09 Shawwal 1430 9:24:19 am Takashi Iwai wrote:
> > > > At Tue, 29 Sep 2009 07:40:56 +0300,
> > > >
> > > >  Munzir Taha (=?utf-8?q?=D9=85=D9=86=D8=B0=D8=B1?=
> > >
> > > =?utf-8?q?_=D8=B7=D9=87?=) wrote:
> > > > > On Yaum al-Ithnain 08 Shawwal 1430 11:41:52 am Takashi Iwai wrote:
> > > > > > At Mon, 28 Sep 2009 06:58:46 +0300,
> > > > > >
> > > > > >  Munzir Taha (=?utf-8?q?=D9=85=D9=86=D8=B0=D8=B1?=
> > > > >
> > > > > =?utf-8?q?_=D8=B7=D9=87?=) wrote:
> > > > > > > Hi sirs,
> > > > > > > These are the issues I have with my Laptop HP Pavilion dv6 1225ee
> > > > > > > regarding audio support.
> > > > > > >
> > > > > > > 1. No sense for headphone jack (jack_present?), when headphone is
> > > > > > > plugged (present_int_hp?)
> > > > > > >
> > > > > > > 2. There headphone mic jack is not working. The one next to the
> > > > > > > webcam is always recording even when I change the "Mic Jack"
> > > > > > > control from "Mic In" to "Line In"
> > > > > >
> > > > > > Make sure that you use alsa-driver-snapshot tarball instead of
> > > > > > 1.0.21 released version.  There are many fixes since 1.0.21
> > > > > > release.
> > > > > >
> > > > > >
> > > > > >
> > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-dr
> > > > > >iver -sn apshot.tar.gz
> > > > >
> > > > > Thanks a lot Takashi, things are better now. However, when I tested
> > > > > the internal mic it's very noisy. I played a bit with the capture and
> > > > > digital controls but still compared with Windows, it's lame.
> > > >
> > > > OK, could you give alsa-info.sh output at this state?
> > > > Please run with --no-upload option, and attach the generated file.
> > >
> > > Attached.
> > 
> > Try to run:
> > 
> >    % amixer -c0 set Capture cap 12dB
> >    % amixer -c0 set "Digital Mic" 10dB
> >    % amixer -c0 set Digital 0dB
> > 
> > Any difference?
> 
> No, still there is a clear shshshshshsh sound in the background. Please check 
> the attachment for a short arecord -f cd without me speaking on the mic and 
> still you can hear this noise very clear. Also attached is the alsa-info 
> report at the time of recording

Hm, are you using pulseaudio?  Just to be sure, try like below:
	% arecord -Dplughw -fdat -vv foo.wav

Also, does the patch below have any influence?

Basically the signal path from the built-in mic is very simple, so
there is no much room to change...


Takashi

---
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 826137e..3c5f495 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -5338,7 +5338,7 @@ again:
 	spec->aloopback_mask = 0x50;
 	spec->aloopback_shift = 0;
 
-	spec->powerdown_adcs = 1;
+	/*spec->powerdown_adcs = 1;*/
 	spec->digbeep_nid = 0x26;
 	spec->mux_nids = stac92hd71bxx_mux_nids;
 	spec->adc_nids = stac92hd71bxx_adc_nids;