Update to comment #13 above.

1) It appears that I will need to do a complete kernel compile in order
to enable CONFIG_SND_HDA_PATCH_LOADER=y if I want to try "early
patching"  (its not enabled by default).

2) If I boot my box with no speakers connected and after booting completes I 
then plug in the main "green" jack into the normal "green" plug ( i.e. front 
right and front left) then the sound volume is normal!!
 
The only difference between these two scenarios reported by alsa_config.sh 
(besides time stamps) is 

<   IO[0]: enable=1, dir=1, wake=0, sticky=0, data=0, unsol=0
---
>   IO[0]: enable=1, dir=1, wake=0, sticky=0, data=1, unsol=0

The pin configs are the same for both situations but one has good sound
volume and the other does not.

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https://bugs.launchpad.net/bugs/1041322

Title:
  Very low sound on HP p7-1227c

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  Anyone else ever encountered issues with low sound?

  Installed a fresh new install of ubuntu 12.04 x64 alongside Win7.
  Everything runs great except for the sound.

  Computer is a [hp pavilion p7-1227c][1].

  **What i've tried:**

  * I've also tried adding the latest audio ppa.
  * reinstalling `alsa` and `alsa-mixer`
  * Check the settings in system -> sound 
  * Attempted to unmute and amplify the speakers, headset etc
  * Modified settings in `pavucontrol`
  * Attempted this solution: 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/271519

  Also, this is my alsa output: [http://www.alsa-
  project.org/db/?f=de7e2bfb645f4fa5c2687ad6742d7ccdfb8fe6ec][2]

  Any ideas? I just installed a new install of ubuntu 12.04 on this
  particular computer.

  
    [1]: 
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03348828&lang=en&cc=us&taskId=110&contentType=SupportFAQ&prodSeriesId=5187022&prodTypeId=12454
    [2]: 
http://www.alsa-project.org/db/?f=de7e2bfb645f4fa5c2687ad6742d7ccdfb8fe6ec

  
  **aplay -l:**

      **** List of PLAYBACK Hardware Devices ****
      card 0: Generic [HD-Audio Generic], device 0: STAC92xx Analog [STAC92xx 
Analog]
        Subdevices: 1/1
        Subdevice #0: subdevice #0
      card 0: Generic [HD-Audio Generic], device 1: STAC92xx Digital [STAC92xx 
Digital]
        Subdevices: 1/1
        Subdevice #0: subdevice #0

  
   **lsmod | grep snd**

  > snd_hda_codec_idt      70795  1  snd_hda_intel          33773  3 
  > snd_hda_codec         127706  2 snd_hda_codec_idt,snd_hda_intel
  > snd_hwdep              13668  1 snd_hda_codec snd_pcm               
  > 97188  2 snd_hda_intel,snd_hda_codec snd_seq_midi           13324  0 
  > snd_rawmidi            30748  1 snd_seq_midi snd_seq_midi_event    
  > 14899  1 snd_seq_midi snd_seq                61896  2
  > snd_seq_midi,snd_seq_midi_event snd_timer              29990  2
  > snd_pcm,snd_seq snd_seq_device         14540  3
  > snd_seq_midi,snd_rawmidi,snd_seq snd                    78855  15
  > 
snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
  > soundcore              15091  1 snd snd_page_alloc         18529  2
  > snd_hda_intel,snd_pcm

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