[Bug 1038479] Re: [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a while

Fri, 05 Dec 2014 15:41:50 -0800 

Hi VBSpam,
following your idea, I made a bash script little different from yours, and 
somewhat improved, at last the crackling is imperceptible.
Is a ugly script, I know...:

#!/bin/bash

while true; 
do 
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
sudo hda-verb /dev/snd/hwC0D1 0x1f SET_POWER_STATE 0 > /dev/null 2>&1;   
continue ; 
done

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https://bugs.launchpad.net/bugs/1038479

Title:
  [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a
  while

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