[arch-general] Muting internal speakers

[Stephen E. Baker]

On 18/06/2012 9:48 AM, Ralf Mardorf wrote:
> 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"
>
/sys/block/ is block devices (i.e. hard drives, potential ram drives, 
loop back devices), so it wouldn't be in there.   I'm not sure where in 
/sys it would be, but if you check the last few lines dmesg after 
plugging it in it should tell you.