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

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_codec.c where codec 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.

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_codec.c where codec is the name of the codec manufacturer of your sound chip. Thanks for this pointer into the right

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

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_codec.c where codec 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

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 is

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 co. This

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 recording

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 have not

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 in

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 mute Mic

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-pitched noise on

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

2008-01-29 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. Simply build and

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 further

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 now

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 either

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 high pitched

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 have to

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. But

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

2008-01-20 Thread Stefan Bellon
Hi all, I have just bought a new VIA Epia SN1EG board which has a VIA High Definition Audio Controller: 80:01.0 Audio device: VIA Technologies, Inc. VIA High Definition Audio Controller Subsystem: VIA Technologies, Inc. VIA High Definition Audio Controller Flags: bus master,