Ok, thanks for the feedback!
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Title:
Very low sound on HP p7-1227c
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@David Henningsson
While looking for a solution, I bounced between more than a few distros
looking for something that would work and finally ran out of steam at
CentOS.
So I downloaded 12.10 today and installed that. Sound now works
properly out of the box without my GPIO hack so I guess this
alsa problem with GPIO setting on this PC solved as of 12.10 release
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete = Fix Released
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Hi,
I just ran the codec through the emulator, and it seems to me like this
is fixed upstream, i e, the GPIO is enabled. So I believe this is fixed
both in 12.10, and if you try the latest upstream code with
https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
Is this correct?
** Changed in:
http://.git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commitdiff;h=1f83ac5ac9fb3e8b2e053de380f55ba412228577;hp=8ed99d976812d1e14a254b9ac1fe6255af8270ff
the alternative way is to check the internal Mic of the laptop
when the HP laptop has line in in docking station
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@Raymond : like I said earlier, the configuration detection code is
very complicated. In my case, I don't have a laptop or a docking
station so I'm not sure the link you posted will help me much.
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do you have the same hp desktop as chris ?
http://h2.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03348828lang=encc=ustaskId=110contentType=SupportFAQprodSeriesId=5187022prodTypeId=12454
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do you have the same hp desktop as chris ?
http://h2.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03348828lang=encc=ustaskId=110contentType=SupportFAQprodSeriesId=5187022prodTypeId=12454
Yes - that exact same model.
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usually notebook internal speaker 's pin default are [Fixed] Speaker at int
and desktop 's line out jack 's pin default are [Jack] Line Out at ext rear
if your desktop 's line out jacks are [Jack] Speaker , the driver assume
that they are internal speaker of note book and create notebook specific
@Raymond : the link you posted point to a similar problem. It appears
that if the driver does not recognize the speakers connected to the rear
panel green jack if does not set the GPIO pin to 1. I'll try some
different speaker models to see if its a hardware issue with the USB
powered ones I'm
Update to post #20 :
I tried another set of speakers - these ones are externally powered.
Same problem and same solution to get them working. So its not a
speaker hardware issue.
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why the driver need to differentiate hp 's laptop and desktop?
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commit;h=b0791dda813c179e539b0fc1ecd3f5f30f2571e2
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@raymond : I read through the function stac92xx_init() in the patch you
linked above. That is a very complicated piece of code and I can see
how a small hardware implementation difference on my motherboard might
be the root cause of the problem.
The only way for me to narrow down what is wrong
I suspect the answer might be somewhere in here :
http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftiwai%2Fsound.gita=searchh=HEADst=commits=IDT+codec
but I'll be darned if I can find it ...
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https://bugzilla.kernel.org/show_bug.cgi?id=43240
if envy17 need pin fixup to remove some redundant jacks ( 2 hp , 1 mic , 2
line out and 1 line in)
why don't use pin fixup to change [Jack] Speaker to [Fixed] Speaker or check
misc = no_presence instead of is_jack_detectable() since
reply to post #25
Looking at the kernal change log, there have been many problems with
pin fixups, power detection and jacks. The envy17 one you linked seems
to be different from mine - its for a notebook having problems with
internal speakers.
As to why I don't use pin fixup, that requires
Update to comment #13 above.
1) It appears that I will need to do a complete kernel compile in order
to enable CONFIG_SND_HDA_PATCH_LOADER=y if I want to try early
patching (its not enabled by default).
2) If I boot my box with no speakers connected and after booting completes I
then plug in
Update to comment #14 above.
I can watch the status of the GPIO pin noted above on the code by using
this command :
cat /proc/asound/card0/codec#3 | grep 'IO\[0\]'
If I boot with no speakers plugged in, and then plug into the green
jack, I get normal sound and GPIO IO[0] data=1.
If I then
Update to comment #15 above.
PROGRESS and some SUCCESS !!
Downloaded the hda-verb utility from here :
ftp://ftp.suse.com/pub/people/tiwai/misc/hda-verb-0.4.tar.gz
Extracted and compiled it.
Issuing this command enables sound on my main speakers :
sudo ./hda-verb /dev/snd/hwC0D3 0x01
@raymond : thanks for looking at this. My alsa-info.txt file from
alsa-info.sh is attached.
The front headphone jack does indeed mute the rear speaker jacks when
headphones are plugged in. But the volume on the headphones when I do
that is extremely low.
I don't know if my PC supports
for desktop. front playback volume, surround playback volume and
side playback volume if the pin complex are [jack] line out instead of
[jack] speaker
those front line out jack kcontrol should be true after you plugged in
the speakers at rear panel
Simple mixer control 'Speaker',0
just change the device type of pin default of four pin complex of the output
jack from AC_JACK_SPEAKER to AC_JACK_LINE_OUT
/* device device types (0x0-0xf) */
enum {
AC_JACK_LINE_OUT,
AC_JACK_SPEAKER,
AC_JACK_HP_OUT,
AC_JACK_CD,
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=blob_plain;f=Documentation/sound/alsa
/HD-Audio.txt;hb=HEAD
use early patching to fix those four pins
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@Raymond : trying to understand how to do everything you have suggested.
It seems strange to me to convert the output pins from speaker to line
out. I would expect the volume to be louder when the pins are set for
speaker than when they are set for line out ? So converting them seems
like the
can you post the output of alsa-info.sh ?
if headphone is plugged , the driver auto mute the rear panel audio
do your desktop support multi streaming in windows ?
control.36 {
iface CARD
name 'Speaker Front Jack'
value false
http://www.intel.com/support/motherboards/desktop/sb/cs-020642.htm#multistream
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Title:
Very low sound on HP p7-1227c
To manage notifications
Update to my previous comment #5.
It looks like I get normal 2 channel stereo sound (full volume) from
the side speaker jack and from the rear speaker jack (same thing from
either).
So regardless of the System - Sound setup, it get extremely low volume
sound from the front speaker jack and full
The Pin Default values in the dump you posted seem to correspond to the
default values in use when the sound level is so low (i.e. when the
outputs are configured as line-out rather than speaker) ? To change
this, per your second post, I apparently need to change default device
bit 23-20 of
you need to perform early patching to change the pin default of the four
output jacks at rear panel from speaker to line out
Node 0x0c [Pin Complex] wcaps 0x400183: Stereo Amp-In
Control: name=Speaker Front Jack, index=0, device=0
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=blob_plain;f=Documentation/sound/alsa
/HD-Audio.txt;hb=HEAD
change default device bit 23-20 of Pin Default from speaker (1) to line
out (0)
figure 74 and table 111 of hda specification
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Anyone have a particular solution yet? Would updating to the latest Alsa
1.0.25 work?
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Title:
Very low sound on HP p7-1227c
To manage
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New = Confirmed
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