Recap after reboot:

#activate the sound on the speaker
sudo ./hda-verb /dev/snd/hwC0D0 0x1 set_gpio_data 1
sudo ./hda-verb /dev/snd/hwC0D0 0x1 set_gpio_dir 1
sudo ./hda-verb /dev/snd/hwC0D0 0x1 set_gpio_mask 1

#activate the sound on the headset
sudo ./hda-verb /dev/snd/hwC0D0 0x0f SET_CONNECT_SEL 1

#mute the speaker
sudo ./hda-verb  /dev/snd/hwC0D0 0x0d SET_PIN_WIDGET_CONTROL 0
#unmute the speaker 
sudo ./hda-verb  /dev/snd/hwC0D0 0x0d SET_PIN_WIDGET_CONTROL 0x40

#mute the headphones
sudo ./hda-verb  /dev/snd/hwC0D0 0x0f SET_PIN_WIDGET_CONTROL 0
#unmute the headphones
sudo ./hda-verb  /dev/snd/hwC0D0 0x0f SET_PIN_WIDGET_CONTROL 0x40

-- 
no sound on laptop hp dv6-1030ef 
https://bugs.launchpad.net/bugs/363870
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