[pulseaudio-discuss] Sound input problem on chtrt5645 device

Gustavo Duarte gus.duarte at gmail.com
Thu Jul 5 14:02:15 UTC 2018


HI Hans,

I tried the normal profile without kernel parameters and the mic still
doesn't work.

Please see the video: https://we.tl/p7b3ne79xB

Thanks in advance.

Gustavo.
On Wed, Jul 4, 2018 at 2:01 PM Hans de Goede <hdegoede at redhat.com> wrote:
>
> Hi,
>
> On 04-07-18 17:31, Gustavo Duarte wrote:
> > Hi Hans,
> >
> > I tried again, changing HiFI.conf and chtrt5645.conf  from ucm
> > alsa-lib and from Asus T100HA, and at this time, the profile was
> > loaded right, because "Internal Analog Microphone" was showed at first
> > and "Internal Microphone" at second time.
> >
> > When I used Asus T100HA profile, i tried with all the kernel command
> > line parameter combination, 0x0100 to 0x0400 and 0x1000 to 0x4000.
> >
> > However, the internal microphone still doesn't work. Gnome audio
> > settings, doesn't detect input signal and when a tried record from
> > command line no sound is detected (arecord -vv -fdat
> > stackoverflow.wav).
> >
> > Anything else  to try ?
>
> Have you also tried with the normal profile and and no kernel commandline
> option?
>
> IOW, please try with:
> -The normal (not the Asus T100HA) chtrt5645.conf and HiFi.conf, so
>   the input will be named "Internal Analog Microphone"; *AND*
> -No kernel commandline option, check cat /proc/cmdline does not contain
>   chtrt5645 in there
>
> Since you were not using the UCM profile initially it might very well
> be that your laptop has a normal analog mic and things where not
> working before because the profile was not loaded.
>
> Regards,
>
> Hans
>
>
>
> >
> > Thanks in advance.
> >
> > Gustavo.
> >
> >
> > On Sun, Jul 1, 2018 at 11:18 AM Hans de Goede <hdegoede at redhat.com> wrote:
> >>
> >> Hi,
> >>
> >> On 29-06-18 18:25, Gustavo Duarte wrote:
> >>> Hi Hans,
> >>>
> >>>> I assume that when you say there is no input sound, you mean that the
> >>>> microphone build into the laptop is not working ?
> >>>
> >>> That's right.
> >>>
> >>> I tried your suggestions, substitute HiFi.conf file and add these
> >>> kernel command line parameters. And the mic, still desn't works.
> >>> I tried also dmic on 1st and 2nd input.
> >>>
> >>> There is something that catches my attention.
> >>> Always after did a change, I go to Gnome sound settings, input tab,
> >>> and the only device showed is chtrt5645 Analog Stereo.
> >>> I expected see a digital device... i don't know.
> >>
> >> If you see "chtrt5645 Analog Stereo" on the input tab, then the
> >> UCM profile is not loading correctly. You need to fix that first,
> >> if you have an old alsa-lib which did not include a
> >> /usr/share/alsa/ucm/chtrt5645 yet, then start with copying
> >> both HiFi.conf and chtrt5645.conf from:
> >>
> >> http://git.alsa-project.org/?p=alsa-lib.git;a=tree;f=src/conf/ucm/chtrt5645
> >>
> >> To a directory named:
> >>
> >> /usr/share/alsa/ucm/chtrt5645
> >>
> >> Note you need the plain txt (raw) versions of both files.
> >> Then close the gnome sound-settings, do "killall pulseaudio"
> >> and re-open gnome-sound-settings.
> >>
> >> The input should be named "Internal Analog Microphone" now,
> >> once you've managed to get the input named that way (so the UCM
> >> profile is loaded correctly) try if the buildin mic works now.
> >>
> >> If things still don't work, then replace the HiFi.conf with
> >> the file from the Asus T100HA profile I linked to before *and*
> >> put snd_soc_rt5645.quirk=0x0100 on the kernel commandline.
> >>
> >> Note to test the digital-mic you need both the Asus T100HA
> >> HiFi.conf *and* the kernel commandline option.
> >>
> >> To check the kernel commandline option is present after
> >> rebooting do: "cat /proc/cmdline", if you are using the
> >> Asus T100HA HiFi.conf, the input should now be named
> >> "Internal Microphone" (note no more "Analog" in there).
> >>
> >> Regards,
> >>
> >> Hans
> >>
> >>
> >>
> >>> On Fri, Jun 29, 2018 at 11:00 AM Hans de Goede <hdegoede at redhat.com> wrote:
> >>>>
> >>>> Hi,
> >>>>
> >>>> On 28-06-18 12:59, Tanu Kaskinen wrote:
> >>>>> On Wed, 2018-06-27 at 10:10 -0300, Gustavo Duarte wrote:
> >>>>>> On Fri, 2018-06-15 at 12:56 -0300, Gustavo Duarte wrote:
> >>>>>>> * Hi all,
> >>>>>> *> >* The input sound isn't working. No sound is detected.
> >>>>>> *> >* Environment:
> >>>>>> *> >* Laptop brand: JP Couto model EF20EA
> >>>>>> *> >* Distributor ID: Ubuntu
> >>>>>> *>* Description: Ubuntu 16.04.4 LTS
> >>>>>> *>* Release: 16.04
> >>>>>> *>* Codename: xenial
> >>>>>> *> >* Linux Kernel: 4.15.0-23-generic
> >>>>>> *> >* Right after install Ubuntu 16.04 on the laptop, the sound output and input
> >>>>>> *>* isn't worked.
> >>>>>> *> >* So i followed this procedure:
> >>>>>> *>* https://ubuntuforums.org/showthread.php?t=2374383&p=13698722#post13698722
> >>>>>> <https://ubuntuforums.org/showthread.php?t=2374383&p=13698722#post13698722>
> >>>>>> *>* and then, output sound starting to work, but input not.
> >>>>>> *> >* An strange thing is that output of amixer -cO is empty.
> >>>>>> *
> >>>>>> On your machine card 0 is HDMI, which is why amixer -c0 is empty.
> >>>>>> amixer -c1 will show the chtrt5645 mixer settings.
> >>>>>>
> >>>>>> There have been input related fixes to chtrt5645's UCM config recently.
> >>>>>> This is the latest
> >>>>>> version:http://git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=src/conf/ucm/chtrt5645/HiFi.conf;hb=HEAD
> >>>>>>
> >>>>>> Try copying that to /usr/share/alsa/ucm/chtrt5645/HiFi.conf
> >>>>>>
> >>>>>> --
> >>>>>> Tanu
> >>>>>>
> >>>>>>
> >>>>>> I tried this fix, after substitute HiFI.conf file and reboot the laptop,
> >>>>>> sound configuration options changed, output sound still working, but input
> >>>>>> NOT.
> >>>>>>
> >>>>>> Something else to do ?
> >>>>>>
> >>>>>> Thanks.
> >>>>>
> >>>>> Apparently your laptop requires some special configuration for the mic
> >>>>> to work. There are a couple of different rt5645 UCM configurations
> >>>>> already in alsa-lib:
> >>>>> http://git.alsa-project.org/?p=alsa-lib.git;a=tree;f=src/conf/ucm;hb=HEAD
> >>>>>
> >>>>> You can try playing with "alsamixer -c1" to find out what settings need
> >>>>> to be changed. If you manage to find a working settings, then the UCM
> >>>>> configuration can be fixed.
> >>>>>
> >>>>> I'll add Hans de Goede to Cc in case he has any hints or is otherwise
> >>>>> interested (he has fixed input for some other laptops that use rt5645).
> >>>>
> >>>> I assume that when you say there is no input sound, you mean that the
> >>>> microphone build into the laptop is not working ?
> >>>>
> >>>> It could be that your laptop is using a digital mic rather then an analog one.
> >>>>
> >>>> To try for a digital mic on the 1st dmic input, copy:
> >>>>
> >>>> git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=src/conf/ucm/ASUSTeKCOMPUTERINC.-T100HAN-1.0-T100HAN/HiFi.conf
> >>>>
> >>>> To /usr/share/alsa/ucm/chtrt5645/HiFi.conf
> >>>>
> >>>> *AND* put snd_soc_rt5645.quirk=0x0100 on the kernel commandline.
> >>>>
> >>>> If that does not work you can also try:
> >>>>
> >>>> snd_soc_rt5645.quirk=0x0200
> >>>> snd_soc_rt5645.quirk=0x0300
> >>>> snd_soc_rt5645.quirk=0x0400
> >>>>
> >>>> There also is a second digital mic input, but there is no matching UCM file
> >>>> for that, so you would need to edit the ucm HiFi.conf file yourself, or
> >>>> play with alsamixer -c 1. To try and activate a dmic on the 2nd input try:
> >>>>
> >>>> snd_soc_rt5645.quirk=0x1000
> >>>> snd_soc_rt5645.quirk=0x2000
> >>>> snd_soc_rt5645.quirk=0x3000
> >>>>
> >>>> Regards,
> >>>>
> >>>> Hans
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> pulseaudio-discuss mailing list
> >>>> pulseaudio-discuss at lists.freedesktop.org
> >>>> https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss


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