Comment 85 for bug 886975

1) Right.

2) Right.

3) Yes, I have. I guess the number 75 is just a compromise because the click noise is still there but it's hardly audible = more time less audible.
+ msleep(75);
+ else
+ hda_set_power_state(codec, AC_PWRST_D0);

4) GUI Master Volume slider:
+ vmaster_tlv[2] = -6450;
+ vmaster_tlv[3] = 150;

5) GUI Input Volume slider
/usr/share/pulseaudio/alsa-mixer/paths/analog-input-internal-mic.conf
#required-any