Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-10 Thread Stefan Bellon
Tobin Davis wrote: > My laptop is offline for the moment, but here's a snapshot of my > desktop system. It is an Intel DP965LT, Sigmatel 9227. > http://pastebin.ca/897464 Thanks a lot, will have a closer look. > You can generate a report like this with > http://hg.alsa-project.org/alsa/raw-fi

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-09 Thread Tobin Davis
On Sat, 2008-02-09 at 13:33 +0100, Stefan Bellon wrote: > Tobin Davis wrote: > > Actually, you're a bit off base. The file you need to look at is > > alsa-kernel/pci/hda/patch_.c where is the name of the > > codec manufacturer of your sound chip. > > Thanks for this pointer into the right dire

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-09 Thread Stefan Bellon
Tobin Davis wrote: > Actually, you're a bit off base. The file you need to look at is > alsa-kernel/pci/hda/patch_.c where is the name of the > codec manufacturer of your sound chip. Thanks for this pointer into the right direction. So, patch_via.c is the correct file for me to look at. > For e

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-05 Thread Tobin Davis
Actually, you're a bit off base. The file you need to look at is alsa-kernel/pci/hda/patch_.c where is the name of the codec manufacturer of your sound chip. For example, I have an Analog Devices AD1986A chip in my laptop. By looking in the patch_analog.c, I can find the sections dealing with t

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-05 Thread Stefan Bellon
Takashi Iwai wrote: > The beep is likely not implemented. I've been always annoyed and > am happy not to have such a thing. Of course, a patch to fix it is > welcome, though :) Ok, I'm indeed even prepared to take a closer look at the code, but I think I need a short intro of the sound stuff (al

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-02-01 Thread Stefan Bellon
Lee Revell wrote: > As Takashi stated, it's currently unsupported and no one is working on > it. You should just configure your mail and IM apps to play a .wav > file. That's not really an option because they do not run locally, but on a remote machine accessed via SSH. But I understand that it

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-31 Thread Lee Revell
On Jan 31, 2008 2:22 PM, Stefan Bellon <[EMAIL PROTECTED]> wrote: > Lee Revell wrote: > > > What switch would that be? Some configuration option in ALSA? If so, > > > how do I turn it off? I have not turned it on by intention. > > > It's a mixer element. Run alsamixer (or any other mixer app) and

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-31 Thread Stefan Bellon
Lee Revell wrote: > > What switch would that be? Some configuration option in ALSA? If so, > > how do I turn it off? I have not turned it on by intention. > It's a mixer element. Run alsamixer (or any other mixer app) and mute > Mic playback. Ok, I'm slowly getting there ... so the "Mic" element

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-31 Thread Lee Revell
On Jan 31, 2008 12:47 PM, Stefan Bellon <[EMAIL PROTECTED]> wrote: > Takashi Iwai wrote: > > > I guess you turned on "Mic Playback Switch" and co. This is a switch > > to turn the analog loopback on. > > What switch would that be? Some configuration option in ALSA? If so, > how do I turn it off? I

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-31 Thread Stefan Bellon
Takashi Iwai wrote: > I guess you turned on "Mic Playback Switch" and co. This is a switch > to turn the analog loopback on. What switch would that be? Some configuration option in ALSA? If so, how do I turn it off? I have not turned it on by intention. > This has nothing to do with the record

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-31 Thread Takashi Iwai
At Wed, 30 Jan 2008 22:49:00 +0100, Stefan Bellon wrote: > > > The noise via line/mic sounds like a too much analog-loopback from > > line/mic to the analog mixer unit. This can be better checked with > > the files above. > > I'm very curious. :-) I guess you turned on "Mic Playback Switch" and

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-30 Thread Stefan Bellon
Takashi Iwai wrote: > The most interesting information about HD-audio is rather about the > codec. Show /proc/asound/card0/codec#* entries. Here you are: [EMAIL PROTECTED] cat /proc/asound/card0/codec#0 Codec: VIA VIA VT1708 Address: 0 Vendor Id: 0x11061708 Subsystem Id: 0x1106 Revision Id:

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-30 Thread Takashi Iwai
At Tue, 29 Jan 2008 22:59:17 +0100, Stefan Bellon wrote: > > Takashi Iwai wrote: > > At Sat, 26 Jan 2008 10:35:56 +0100, > > Stefan Bellon wrote: > > > > Ok, I have now tried with 1.0.16rc1 (as 1.0.15 does not support > > > kernel 2.6.23), but the effects are still the same. Still > > > high-pitc

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-29 Thread Stefan Bellon
Takashi Iwai wrote: > At Sat, 26 Jan 2008 10:35:56 +0100, > Stefan Bellon wrote: > > Ok, I have now tried with 1.0.16rc1 (as 1.0.15 does not support > > kernel 2.6.23), but the effects are still the same. Still > > high-pitched noise on line and mic and still no system beep at all. > > > > Any fu

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-29 Thread Takashi Iwai
At Sat, 26 Jan 2008 10:35:56 +0100, Stefan Bellon wrote: > > Takashi Iwai wrote: > > At Fri, 25 Jan 2008 17:26:28 +0100, > > Stefan Bellon wrote: > > > > No I didn't try that. I'll first have to take a look at how to > > > replace the kernel ALSA with a later one. But I'll have a look. > > > Sim

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-26 Thread Stefan Bellon
Takashi Iwai wrote: > At Fri, 25 Jan 2008 17:26:28 +0100, > Stefan Bellon wrote: > > No I didn't try that. I'll first have to take a look at how to > > replace the kernel ALSA with a later one. But I'll have a look. > Simply build and install from alsa-driver tree as external modules. Ok, I have

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-25 Thread Takashi Iwai
At Fri, 25 Jan 2008 17:26:28 +0100, Stefan Bellon wrote: > > Takashi Iwai wrote: > > > Did you try the latest ALSA driver? The driver on 2.6.23 is fairly > > old. For example, the noise problem with AD1986A should have been > > solved in the recent version. > > No I didn't try that. I'll first

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-25 Thread Stefan Bellon
Takashi Iwai wrote: > Did you try the latest ALSA driver? The driver on 2.6.23 is fairly > old. For example, the noise problem with AD1986A should have been > solved in the recent version. No I didn't try that. I'll first have to take a look at how to replace the kernel ALSA with a later one. B

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-25 Thread Takashi Iwai
At Fri, 25 Jan 2008 15:04:48 +0100, Stefan Bellon wrote: > > Stefan Bellon wrote: > > Sound "kind of" works. That is, as long as I keep both channels of > > "Line" and the left channel of "Mic" muted, then I can listen to sound > > and the sound indeed does sound good. However as soon as I unmute

Re: [Alsa-user] Intel HDA with VT8251 gives high pitched noise

2008-01-25 Thread Stefan Bellon
Stefan Bellon wrote: > Sound "kind of" works. That is, as long as I keep both channels of > "Line" and the left channel of "Mic" muted, then I can listen to sound > and the sound indeed does sound good. However as soon as I unmute > either channel of "Line" or the left channel of "Mic", I get a hig