[alsa-devel] HD-audio regression after commit 34588709af61be1550b4e2bcee5c85d0ac4f34d4

[Takashi Iwai]

At Thu, 17 Jan 2013 19:12:24 +0100,
Manolo Díaz wrote:
> 
> El jue, 17 ene 2013 a las 16:32 horas
> Takashi Iwai escribió:
> 
> >At Thu, 17 Jan 2013 09:59:20 -0500,
> >Miro Hodak wrote:
> >> 
> >> On Thu, Jan 17, 2013 at 7:49 AM, Raymond Yau <superquad.vortex2 at gmail.com>wrote:
> >> 
> >> >
> >> > >
> >> > > OK, now as far as Auto-Mute goes, should it do what expected when
> >> > enabled - i.e. muting the speakers when headphones are connected to the
> >> > front panel? I have tried that, does not seem to work.
> >> > >
> >> >
> >> > Do your computer chassis have a hda front audio panel with Jack detection ?
> >> >
> >> > The front headphone Jack should return true when headphone Jack is plugged
> >> >
> >> > control.35 {
> >> > iface CARD
> >> > name 'Front Headphone Jack'
> >> >
> >> > value false
> >> > comment {
> >> > access read
> >> > type BOOLEAN
> >> > count 1
> >> > }
> >> > }
> >> >
> >> > All ADI codecs support impedance measurement
> >> >
> >> > Try the modified hda-jack-sense-test which need hda-analyzer
> >> >
> >> > http://thread.gmane.org/gmane.linux.alsa.devel/90911/focus=91115
> >> >
> >> 
> >> Hmmm, ran into some python issues. Even hda-analyzer itself is not working:
> >> ...
> >> File "/dev/shm/hda-analyzer/hda_proc.py", line 143, in wrongfile
> >>     raise ValueError, "wrong proc file format (%s)" % msg
> >> ValueError: wrong proc file format (integer decode 'State of AFG node
> >> 0x01:' ('Node '))
> >
> >Ah, it's a new proc file entry that has been added recently.
> >hda-analyzer needs to be fixed.
> >
> >In anyway, only for checking the presence unsolicited events, you can
> >do without extra program.  Suppose you built your kernel with the
> >tracing support.  See "Tracepoints" option in
> >Documentation/sound/alsa/HD-Audio.txt.
> >
> >  # echo 1 > /sys/kernel/debug/tracing/events/hda/hda_unsol_event/enable
> >
> >  (plug and unplug your headphone jacks)
> >
> >  # cat /sys/kernel/debug/tracing/trace
> >
> >If you see some hda_unsol_event lines there, it implies that the jack
> >detection basically works in hardware level.
> >
> >
> >Takashi
> 
> I Suppose that when auto-mute is enabled an HP independent is disabled,
> inserting the HP jack should disable sound from front speakers. If so
> then auto-mute doesn't work. Jack insertion/extraction events are well
> detected for front speakers and HP.
> 
> #~ cat /sys/kernel/debug/tracing/trace
> # tracer: nop
> #
> # entries-in-buffer/entries-written: 4/4   #P:2
> #
> #                              _-----=> irqs-off
> #                             / _----=> need-resched
> #                            | / _---=> hardirq/softirq
> #                            || / _--=> preempt-depth
> #                            ||| /     delay
> #           TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
> #              | |       |   ||||       |         |
>           <idle>-0     [001] d.h.   137.881919: hda_unsol_event: [0] res=8000000, res_ex=10
>           <idle>-0     [001] d.h.   162.511102: hda_unsol_event: [0] res=8000000, res_ex=10
>           <idle>-0     [001] d.h.   246.529813: hda_unsol_event: [0] res=4000000, res_ex=10
>           <idle>-0     [001] d.h.   272.381719: hda_unsol_event: [0] res=4000000, res_ex=10
> 
> branch tested: test/hda-gen-parser

Please test with either master or test/hda-migrate branch.
test/hda-gen-parser branch doesn't contain the patch for AD codecs.

In anyway, please attach alsa-info.sh outputs before and after
plugging the headphone with the latest sound-unstable tree (and a
proper branch).


thanks,

Takashi