Hi,
if anyone is interested, I got it kind of working.
With the standard configuration (but with another microphone, so either
my microphone
is broken, or you need other settings for older microphones ):
$ cat /etc/modprobe.d/alsa-base.conf
# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
install sound-slot-1 /sbin/modprobe snd-card-1
install sound-slot-2 /sbin/modprobe snd-card-2
install sound-slot-3 /sbin/modprobe snd-card-3
install sound-slot-4 /sbin/modprobe snd-card-4
install sound-slot-5 /sbin/modprobe snd-card-5
install sound-slot-6 /sbin/modprobe snd-card-6
install sound-slot-7 /sbin/modprobe snd-card-7
# Cause optional modules to be loaded above generic modules
install snd /sbin/modprobe --ignore-install snd && { /sbin/modprobe
--quiet snd-ioctl32 ; /sbin/modprobe --quiet snd-seq ; }
install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi && {
/sbin/modprobe --quiet snd-seq-midi ; : ; }
install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 && {
/sbin/modprobe --quiet snd-emu10k1-synth ; : ; }
# Keep snd-pcsp from beeing loaded as first soundcard
options snd-pcsp index=-2
# Keep snd-usb-audio from beeing loaded as first soundcard
options snd-usb-audio index=-2
# Prevent abnormal drivers from grabbing index 0
options bt87x index=-2
options cx88_alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
#options snd-hda-intel model=dell
Then the internal microphone works fine, if no external one is plugged in.
Otherwise you need to change the following settings with hda analyzer:
(one the left side is a node with that name, you can select, and then
you get a list of options on the right side)
How to activate the internal laptop microphone:
[0x1a] AUDSEL:
connect to 0x0c.
How to activate the external laptop microphone:
[0x1a] AUDSEL:
connect to 0x0b.
set Val[0] = 0 = Val[1]
[0x1b] PIN:
set VREF to 50
Benito
On 07/11/2012 03:59 PM, Benito van der Zander wrote:
> Hi,
> does anyone know how to use an external microphone with Debian and a
> Dell Latitude E5500?
>
> I've been trying to get it working for a while, but without any success.
> (once I managed to get the internal microphone "working", but it was so
> noisy and quite,
> that I had to cry into it to get an recording and it was still barely
> understandable)
>
> Configuration:
> http://www.alsa-project.org/db/?f=85fb87e934ec61ee9a983a0e4aa851f3aafdef29
>
> Modprobe config: (why doesn't the script include that? I tried different
> "model" options, but they were all alike)
>
> $ cat /etc/modprobe.d/alsa-base.conf
> # autoloader aliases
> install sound-slot-0 /sbin/modprobe snd-card-0
> install sound-slot-1 /sbin/modprobe snd-card-1
> install sound-slot-2 /sbin/modprobe snd-card-2
> install sound-slot-3 /sbin/modprobe snd-card-3
> install sound-slot-4 /sbin/modprobe snd-card-4
> install sound-slot-5 /sbin/modprobe snd-card-5
> install sound-slot-6 /sbin/modprobe snd-card-6
> install sound-slot-7 /sbin/modprobe snd-card-7
> # Cause optional modules to be loaded above generic modules
> install snd /sbin/modprobe --ignore-install snd&& { /sbin/modprobe
> --quiet snd-ioctl32 ; /sbin/modprobe --quiet snd-seq ; }
> install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi&& {
> /sbin/modprobe --quiet snd-seq-midi ; : ; }
> install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1&& {
> /sbin/modprobe --quiet snd-emu10k1-synth ; : ; }
>
> # Prevent abnormal drivers from grabbing index 0
> # Keep snd-pcsp from beeing loaded as first soundcard
> #options snd-pcsp index=-2
> # Keep snd-usb-audio from beeing loaded as first soundcard
> #options snd-usb-audio index=-2
> #options bt87x index=-2
> #options cx88_alsa index=-2
> #options snd-atiixp-modem index=-2
> #options snd-intel8x0m index=-2
> #options snd-via82xx-modem index=-2
> #options snd-hda-intel model=auto
> options snd-hda-intel model=dell-m82
>
>
>
> Benito
>
>
>
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