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Thread: HP DV 67xx Conexant HD audio - Interesting discovery

  1. #1
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    Question HP DV 67xx Conexant HD audio - Interesting discovery

    So, along with the rest of the linux world, I'm having issues getting my computer to correctly identify the difference between the jack inputs and outputs and the internal inputs (mic) and outputs (speakers).

    My problems are as follows:

    Muting the speakers only applies to the internal speakers, not the headphone jack.
    So for example, if I have headphones plugged in and I mute the master device output then nothing happens. Volume adjust DOES work.

    Microphone input only works from the jack.
    No amount of banging or shouting at the internal mic will make it register any sound. I have tried adjusting literally everything on alsamixer and in pulse. Opening pulse's recording vu meters shows no activity until I plug in an external mic.

    My interesting discovery is that ALSA seems to recognize my card, and many other people's, as a CX20561 (Hermosa) instead of a CX20549 (Venice). I've looked at my drivers and at the Conexant website and I'm pretty sure I have the Venice card. I tried adding
    Code:
    options snd-hda-intel model=laptop-hpmicsense
    to my /etc/modprobe.d/alsa-base file which according to /usr/share/doc/alsa-base/driver/ALSA-Configuration.txt.gz should force it to use the CX5045 drivers but it made no difference. In fact, I couldn't seem to force it to load anything at all. No matter which model I stick in alsa-base it always "correctly" loads the Hermosa drivers.

    I know CX20549 (Venice) is the same as CX5045 because if you go here, and search for 20549: http://www.alsa-project.org/main/ind...rc2_v1.0.14rc3
    you will find:
    hda-codec - More fixes for Conexant HD Audio support

    Renamed Conexant 5045 to CX20549 (Venice) per Conexant Documentation
    Renamed Conexant 5047 to CX20551 (Waikiki) per Conexant Documentation
    Fixed automute on HP Laptops with CX20551 codec.
    Fixed recording issues on Toshiba Satelite P100/P105 series laptops
    Added HP DV8000, DV2000Z, Fujitsu Si1520 support

    More work to be done on CX20549 based systems, but CX20551 Systems are
    much better now.
    So, is there a way to force it to load the CX5045/CX20549 drivers in place of what it's loading now? I couldn't get it to load anything else no matter what I put into alsa-base. Even when I tried to break my sound by forcing incompatible drivers. What am I doing wrong?

    Relevant information:

    alsa-info.sh - http://pastebin.com/f1ffbf68e
    tsalsa - http://pastebin.com/f6d2a6183

    Code:
    lsmod | grep snd:
    
    snd_hda_intel         344728  3 
    snd_pcm_oss            42144  0 
    snd_mixer_oss          17920  1 snd_pcm_oss
    snd_pcm                78596  3 snd_hda_intel,snd_pcm_oss
    snd_page_alloc         11400  2 snd_hda_intel,snd_pcm
    snd_hwdep              10500  1 snd_hda_intel
    snd_seq_dummy           4868  0 
    snd_seq_oss            35584  0 
    snd_seq_midi            9376  0 
    snd_rawmidi            25760  1 snd_seq_midi
    snd_seq_midi_event      8320  2 snd_seq_oss,snd_seq_midi
    snd_seq                54224  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
    snd_timer              24836  2 snd_pcm,snd_seq
    snd_seq_device          9612  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
    snd                    56996  16 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_hwdep,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    soundcore               8800  1 snd
    Last edited by Vegetarianrage; July 1st, 2008 at 04:33 PM. Reason: added tsalsa link.

  2. #2
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    Ubuntu 7.10 Gutsy Gibbon

    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    Good discovery vegetarianrage. I have tried your
    options snd-hda-intel model=laptop-hpmicsense
    to no avail. My pastebin is at
    http://pastebin.ca/1003159 . I have spent so much time on this, it's not funny. I might just get an external mike. Thanks for the detailed digging.

  3. #3
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    I've already got an external mic because I have to use skype quite often. It defeats the laptop however, to have to carry hardware around with me. I can't stand it. There must be some way to force it to detect the correct hardware.

  4. #4
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    I got the same problem on my HP Pavilion dv9810. Sound is fine except for the microphone.

  5. #5
    Join Date
    Jun 2008
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    8

    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    I have a HP Pavilion dv9000 with Conexant sound card(laptop)

    For the first time everything works fine(even the wifi) but the capture part of the recorder. I have resolved to dual boot for the soul purpose of audio recording. It's not a total defeat, though. I have installed Ubuntu on my desktops in the recording room. At least there on those units there is recording capability.

    But please let me know if there is a breakthrough on those drivers.

    cbw

  6. #6
    Join Date
    Jun 2008
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    so did anyone help you get capture working?
    I too have problems with any sort of capture ability.

    HP pavillion dv9000 laptop
    Conexant venice is what my system shows

  7. #7
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    Yours is recognized as a venice? Would you mind posting your hardware info?
    This code downloads a script which checks out your setup and makes a pastebin automatically, courtesy of the people at #alsa on freenode. If you're anxious about running the script I encourage you to go question them about it.

    Code:
    wget http://home.cfl.rr.com/infofiles/tsalsa
    bash ./tsalsa
    Then paste the the url printed by tsalsa on here. I just want to see what driver versions you're using and what the id# of your audio device is. Thanks!

    Here's mine: http://pastebin.com/f1b6afbac

    Note, if it fails to upload your file to the pastebin service you'll have to do it manually. The text file is found at /tmp/tsalsa.txt

  8. #8
    Join Date
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    here it is.......

    cbw@cbw-laptop:~$ wget http://home.cfl.rr.com/infofiles/tsalsa
    --11:43:33-- http://home.cfl.rr.com/infofiles/tsalsa
    => `tsalsa'
    Resolving home.cfl.rr.com... 208.79.153.50
    Connecting to home.cfl.rr.com|208.79.153.50|:80... connected.
    HTTP request sent, awaiting response... 200 OK
    Length: 20,298 (20K) [text/html]

    100%[====================================>] 20,298 70.77K/s

    11:43:33 (70.69 KB/s) - `tsalsa' saved [20298/20298]

    does that say anything to you? Don't see much about drivers there.

  9. #9
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    Re: HP DV 67xx Conexant HD audio - Interesting discovery


  10. #10
    Join Date
    May 2008
    Location
    London, UK
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    250
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: HP DV 67xx Conexant HD audio - Interesting discovery

    I have the same laptop, well mines dv9225us, with the same conexant sound card, and my internal microphone worked immediately out of the box, with no change in drivers or tweaking configurations, dont know why yours wouldnt work

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