[arch-general] Muting internal speakers

[Ralf Mardorf]

On Mon, 2012-06-18 at 15:41 +0200, Ralf Mardorf wrote:
> On Mon, 2012-06-18 at 08:34 -0400, Stephen E. Baker wrote:
> > it involves being able to identify which device your usb sound 
> > device is.
> 
> "So run:
> udevinfo -a -p /sys/block/sda
> (replace sda with you device)" -
> http://www.banquise.org/hardware/how-to-automatically-run-a-script-after-inserting-a-usb-device-on-ubuntu/
> 
> What is the name for the sound device?
> 
> FWIW, you get unique device name listed in /proc/asound/
> 
> A Swissonic device
> spinymouse at precise:~$ ls -hAl /proc/asound/ | grep card3
> dr-xr-xr-x 2 root root 0 Jun 18 15:14 card3
> lrwxrwxrwx 1 root root 5 Jun 18 15:14 U0x170b0x11 -> card3
> A Korg device
> spinymouse at precise:~$ ls -hAl /proc/asound/ | grep card3
> dr-xr-xr-x 2 root root 0 Jun 18 15:14 card3
> lrwxrwxrwx 1 root root 5 Jun 18 15:14 nanoKONTROL -> card3
> 
> but what names are used for "udevinfo -a -p /sys/block/[...]"?
> 
> spinymouse at precise:~$ ls /sys/block/
> loop0  loop2  loop4  loop6  ram0  ram10  ram12  ram14  ram2  ram4  ram6
> ram8  sda  sr0
> loop1  loop3  loop5  loop7  ram1  ram11  ram13  ram15  ram3  ram5  ram7
> ram9  sdb

Resp. in /sys/"whatever"