Re: Test Patch6 for Conexant HD Audio on HP DV2000

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I am in a similar situation.  Though I'm a programmer I've never done 
driver work before and I have no idea where to start with this.  I 
really want sound to work properly since I use my laptop mostly in 
trains and public rooms etc while using my desktop in private.

I'm also willing to perform experiments, recompile and code for this.

Matthew

From: Konstantin Shaposhnikov <k.shaposhnikov <at> gmail.com>
Subject: Test Patch6 for Conexant HD Audio on HP DV2000 
<http://news.gmane.org/find-root.php?message_id=%3cb12092cb0610281530u5f80b124o1dc7bf3b2a7052c1%40mail.gmail.com%3e>

Hi,

I would like to help with testing of alsa driver for HDA Conexant chipset.

I have HP DV2000 notebook. Current version of alsa driver (1.013)
works almost fine, but there two issues that should be fixed:

1. When I plug-in headphone jack sound can be heard both from speakers
and headphones.
2. Internal microphone doesn't work (at least arecord doesn't record anything)

I've applied Test Patch6 for Conexant HD Audio
(http://cache.gmane.org//gmane/linux/alsa/devel/41540-001.bin) to
alsa-driver-1.0.13 but unfortunately above mentioned issues not yet
fixed.

It looks like patch tries to solve the first problem, and
cxt5047_hp_automute function is called when HP jack is plugged in or
plugged out, but following code in this function has no effect:
        snd_hda_codec_amp_update(codec, 0x14, 0, HDA_OUTPUT, 0,
         0x80, present ? 0x80 : 0);
  snd_hda_codec_amp_update(codec, 0x14, 1, HDA_OUTPUT, 0,
         0x80, present ? 0x80 : 0);

If you want me to perform some experiments on my notebook, I am glad to do it.
Any ideas how to fix decribed problems are appreciated.

Regards,
Konstantin



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