From: Niels Mayer <nielsmayer@gmail.com>
To: "dominique.baudelin" <dominique.baudelin@laposte.net>
Cc: alsa-devel@alsa-project.org
Subject: Re: VIA VT1708S
Date: Tue, 10 Aug 2010 08:57:47 -0700 [thread overview]
Message-ID: <AANLkTikP65ASMC4ChTcPH564EsK44wpZ1EndN83nvNGs@mail.gmail.com> (raw)
In-Reply-To: <19374822.165450.1281361435671.JavaMail.www@wwinf8214>
On Mon, Aug 9, 2010 at 6:43 AM, dominique.baudelin
<dominique.baudelin@laposte.net> wrote:
> Asus Notebook X70 Series X70AD Athlon M300-64 Ati Radeon HD 4570
> OS Lucid Lynx 10.04 LTS
> Audio chipset VIA VT1708S
>
> P.S.:If you aren't the good interlocutor I am sorry to disturb you.
The vt1708 "just works" with recent versions of linux kernels. On my
system it calls itself "SB" (soundblaster?)
> aplay -l
...
card 1: SB [HDA ATI SB], device 0: VT1708S Analog [VT1708S Analog]
Subdevices: 2/2
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
card 1: SB [HDA ATI SB], device 1: VT1708S Digital [VT1708S Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
...
For my particular ALSA usage where I wanted SPDIF output doubled w/
analog output, see "mythcd" and "mythtv" controlling card "SB" in
http://nielsmayer.com/npm/dot-asoundrc.txt
Also, some setups (like my ASUS_M4A78T-E mobo ) the vt1708S gives you
a additional HDMI device you may never use, yet it uses an interrupt
and an ALSA audio device.
## 1 [SB ]: HDA-Intel - HDA ATI SB
## HDA ATI SB at 0xfb7f4000 irq 16
## 2 [HDMI ]: HDA-Intel - HDA ATI HDMI
## HDA ATI HDMI at 0xfb9fc000 irq 19
It can be disabled (allowing some other ALSA device to be bound to
card slot 2) with the following in /etc/modprobe.d/
alias snd-card-1 snd-hda-intel
#alias snd-card-2 snd-hda-intel
##
## disable HDMI device to conserve resources and interrupts
## 'modinfo -p snd-hda-intel' indicates this param will do the trick:
## enable:Enable Intel HD audio interface. (array of bool)
##
options snd-hda-intel index=1,2 enable=1,0
-- Niels
http://nielsmayer.com
next prev parent reply other threads:[~2010-08-10 15:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-09 13:43 VIA VT1708S dominique.baudelin
2010-08-10 6:43 ` Clemens Ladisch
2010-08-10 15:57 ` Niels Mayer [this message]
2010-08-11 6:14 ` Clemens Ladisch
2010-08-11 6:45 ` Takashi Iwai
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