1. Sound play from both HP jack
2. when HP are plugged to left one and unplugged first time - sound doesnt go 
to speakers
3. when HP are plugged to right one and unplugged first time - sound plays from 
speakers
4. After 3'd option sound also plays from speakers in 2'd option.


> jack 0x0a 1
send: NID=0xa, VERB=0xf09(get_pin_sense), PARM=0x0
receive: 0x80000000
send: NID=0xd, VERB=0x707(set_pin_ctl), PARM=0x0
send: NID=0x1, VERB=0x7ec(set_power_map), PARM=0xf6
CTL Notify: Headphone Front Jack:0, mask=1
JACK report Headphone Front, status 1
JACK report Headphone Surround, status 0
JACK report Mic, status 0
> jack 0x0f 1
send: NID=0xf, VERB=0xf09(get_pin_sense), PARM=0x0
receive: 0x80000000
send: NID=0x1, VERB=0x7ec(set_power_map), PARM=0xd6
JACK report Headphone Front, status 1
CTL Notify: Headphone Surround Jack:0, mask=1
JACK report Headphone Surround, status 1
JACK report Mic, status 0
> PCM 0 p 44100 2 16
Open PCM 92HD73C1X5 Analog for play
Available PCM parameters:
  channels: 2/4
  formats: S16_LE S32_LE
  rates: 44100 48000 88200 96000 192000
Prepare PCM, rate=44100, channels=2, format=16 bits
PCM format_val = 0x4011
hda_codec_setup_stream: NID=0x15, stream=0x1, channel=0, format=0x4011
send: NID=0x15, VERB=0xf06(get_channel_streamid), PARM=0x0
receive: 0x0
send: NID=0x15, VERB=0x706(set_channel_streamid), PARM=0x10
send: NID=0x15, VERB=0xa00(get_stream_format), PARM=0x0
receive: 0x0
send: NID=0x15, VERB=0x240(set_stream_format), PARM=0x11
hda_codec_setup_stream: NID=0x16, stream=0x1, channel=0, format=0x4011
send: NID=0x16, VERB=0xf06(get_channel_streamid), PARM=0x0
receive: 0x0
send: NID=0x16, VERB=0x706(set_channel_streamid), PARM=0x10
send: NID=0x16, VERB=0xa00(get_stream_format), PARM=0x0
receive: 0x0
send: NID=0x16, VERB=0x240(set_stream_format), PARM=0x11
hda_codec_setup_stream: NID=0x17, stream=0x1, channel=0, format=0x4011
send: NID=0x17, VERB=0xf06(get_channel_streamid), PARM=0x0
receive: 0x0
send: NID=0x17, VERB=0x706(set_channel_streamid), PARM=0x10
send: NID=0x17, VERB=0xa00(get_stream_format), PARM=0x0
receive: 0x0
send: NID=0x17, VERB=0x240(set_stream_format), PARM=0x11
PCM Clean up
hda_codec_cleanup_stream: NID=0x15
hda_codec_cleanup_stream: NID=0x16
hda_codec_cleanup_stream: NID=0x17
Close PCM


> jack 0x0a 0
send: NID=0xa, VERB=0xf09(get_pin_sense), PARM=0x0
receive: 0x0
send: NID=0x1, VERB=0x7ec(set_power_map), PARM=0xd7
CTL Notify: Headphone Front Jack:0, mask=1
JACK report Headphone Front, status 0
JACK report Headphone Surround, status 1
JACK report Mic, status 0


> jack 0x0f 0
send: NID=0xf, VERB=0xf09(get_pin_sense), PARM=0x0
receive: 0x0
send: NID=0xd, VERB=0x707(set_pin_ctl), PARM=0x40
send: NID=0x1, VERB=0x7ec(set_power_map), PARM=0xf7
JACK report Headphone Front, status 0
CTL Notify: Headphone Surround Jack:0, mask=1
JACK report Headphone Surround, status 0
JACK report Mic, status 0


pinctl of speaker node 0x0d change to 0x40 OUT after both headphones are 
unplugged


> list
1: Headphone Playback Volume:0 (1)
2: Headphone Playback Switch:0 (1)
3: Headphone Playback Volume:1 (1)
4: Headphone Playback Switch:1 (1)

http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths

did pulseaudio check the "Headphone Front Jack" and "Headphone Surround
Jack" ?


do the user manual or spec of this notebook mention support of surround51 by 
two hp and mic jacks ?

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https://bugs.launchpad.net/bugs/1238144

Title:
  Dell 1535 no sound from speakers, headphone out is ok

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