[alsa-devel] Dell XPS 9360 continuous hissing sound

Takashi Iwai tiwai at suse.de
Fri Mar 22 17:54:50 CET 2019


On Fri, 22 Mar 2019 17:07:15 +0100,
Paulo Fidalgo wrote:
> 
> Strangely the command returns amixer: Unable to find simple control 'numid=10',0
> So I've runned "amixer -c0" and you can find the output in before.txt

Ah sorry, it was a typo: use "cget" instead of "get".


> Then I've runned amixer -c 0 cset 'numid=10' 1
> and again the "amixer -c0" and you can find the output in after.txt
> 
> Also I've notice that the sound appears after I playing a music on
> computer and goes a few (like 10 ) seconds after the music stopped.

It sounds like a state after runtime PM.


Takashi

> 
> On Fri, 22 Mar 2019 at 15:37, Takashi Iwai <tiwai at suse.de> wrote:
> >
> > On Fri, 22 Mar 2019 12:40:22 +0100,
> > Paulo Fidalgo wrote:
> > >
> > > Hi!
> > >
> > > After a bug report on Fedora
> > > (https://bugzilla.redhat.com/show_bug.cgi?id=1677353)
> > >
> > > ----
> > > When I start t he computer I hears a continuous background noise. The
> > > problem is also described here:
> > > https://wiki.archlinux.org/index.php/Dell_XPS_13_(9360)#Continuous_hissing_sound_with_headphones
> > >
> > > I need to issue the command `amixer -c 0 cset 'numid=10' 1` to solve
> > > the problem, but every time I reboot the computer I need to run it
> > > again.
> > > This has been happening for quite some time, but I've been post-poning
> > > the bug report.
> >
> > What is the original value before setting this amixer command above?
> > You can get via "amixer -c0 get numid=10'.
> >
> > Does the noise again when you restore the value after setting to 1 in
> > the above?
> >
> >
> > Takashi
> >
> > >
> > > Current kernel: 4.20.7-200.fc29.x86_64
> > >
> > > Alsa information:
> > > http://www.alsa-project.org/db/?f=df4834c53335709abb521c767e7b1da2f4371744
> > > ----
> > > They advise me to contact you, to see if we can get a solution on this.
> > >
> > > Note: The computer also does not recognise (switch to) when I plug an headset.
> > >
> > > If you need more information, I'm eager to help diagnose and help to
> > > solve this, but I have no Kernel programming skills, other than that
> > > count on me.
> > >
> > > Kind regards,
> > >
> > > Paulo Fidalgo
> > >
> Simple mixer control 'Master',0
>   Capabilities: pvolume pvolume-joined pswitch pswitch-joined
>   Playback channels: Mono
>   Limits: Playback 0 - 87
>   Mono: Playback 87 [100%] [0.00dB] [on]
> Simple mixer control 'Headphone',0
>   Capabilities: pvolume pswitch
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 87
>   Mono:
>   Front Left: Playback 87 [100%] [0.00dB] [on]
>   Front Right: Playback 87 [100%] [0.00dB] [on]
> Simple mixer control 'Headphone Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [off]
> Simple mixer control 'Headphone Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 1 [33%] [10.00dB]
>   Front Right: 1 [33%] [10.00dB]
> Simple mixer control 'Speaker',0
>   Capabilities: pvolume pswitch
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 87
>   Mono:
>   Front Left: Playback 0 [0%] [-65.25dB] [off]
>   Front Right: Playback 0 [0%] [-65.25dB] [off]
> Simple mixer control 'PCM',0
>   Capabilities: pvolume
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 255
>   Mono:
>   Front Left: Playback 255 [100%] [0.00dB]
>   Front Right: Playback 255 [100%] [0.00dB]
> Simple mixer control 'IEC958',0
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [off]
> Simple mixer control 'IEC958',1
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',2
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',3
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',4
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'Capture',0
>   Capabilities: cvolume cswitch
>   Capture channels: Front Left - Front Right
>   Limits: Capture 0 - 63
>   Front Left: Capture 63 [100%] [30.00dB] [on]
>   Front Right: Capture 63 [100%] [30.00dB] [on]
> Simple mixer control 'Auto-Mute Mode',0
>   Capabilities: enum
>   Items: 'Disabled' 'Enabled'
>   Item0: 'Disabled'
> Simple mixer control 'Headset Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [on]
> Simple mixer control 'Headset Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 1 [33%] [10.00dB]
>   Front Right: 1 [33%] [10.00dB]
> Simple mixer control 'Internal Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [off]
> Simple mixer control 'Internal Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 0 [0%] [0.00dB]
>   Front Right: 0 [0%] [0.00dB]
> Simple mixer control 'Master',0
>   Capabilities: pvolume pvolume-joined pswitch pswitch-joined
>   Playback channels: Mono
>   Limits: Playback 0 - 87
>   Mono: Playback 83 [95%] [-3.00dB] [on]
> Simple mixer control 'Headphone',0
>   Capabilities: pvolume pswitch
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 87
>   Mono:
>   Front Left: Playback 87 [100%] [0.00dB] [on]
>   Front Right: Playback 87 [100%] [0.00dB] [on]
> Simple mixer control 'Headphone Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [off]
> Simple mixer control 'Headphone Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 0 [0%] [0.00dB]
>   Front Right: 0 [0%] [0.00dB]
> Simple mixer control 'Speaker',0
>   Capabilities: pvolume pswitch
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 87
>   Mono:
>   Front Left: Playback 0 [0%] [-65.25dB] [off]
>   Front Right: Playback 0 [0%] [-65.25dB] [off]
> Simple mixer control 'PCM',0
>   Capabilities: pvolume
>   Playback channels: Front Left - Front Right
>   Limits: Playback 0 - 255
>   Mono:
>   Front Left: Playback 255 [100%] [0.00dB]
>   Front Right: Playback 255 [100%] [0.00dB]
> Simple mixer control 'IEC958',0
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [off]
> Simple mixer control 'IEC958',1
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',2
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',3
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'IEC958',4
>   Capabilities: pswitch pswitch-joined
>   Playback channels: Mono
>   Mono: Playback [on]
> Simple mixer control 'Capture',0
>   Capabilities: cvolume cswitch
>   Capture channels: Front Left - Front Right
>   Limits: Capture 0 - 63
>   Front Left: Capture 63 [100%] [30.00dB] [on]
>   Front Right: Capture 63 [100%] [30.00dB] [on]
> Simple mixer control 'Auto-Mute Mode',0
>   Capabilities: enum
>   Items: 'Disabled' 'Enabled'
>   Item0: 'Disabled'
> Simple mixer control 'Headset Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [on]
> Simple mixer control 'Headset Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 1 [33%] [10.00dB]
>   Front Right: 1 [33%] [10.00dB]
> Simple mixer control 'Internal Mic',0
>   Capabilities: cswitch cswitch-joined cswitch-exclusive
>   Capture exclusive group: 0
>   Capture channels: Mono
>   Mono: Capture [off]
> Simple mixer control 'Internal Mic Boost',0
>   Capabilities: volume
>   Playback channels: Front Left - Front Right
>   Capture channels: Front Left - Front Right
>   Limits: 0 - 3
>   Front Left: 0 [0%] [0.00dB]
>   Front Right: 0 [0%] [0.00dB]


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