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What populates amixer?
  • slicelslicel May 2010
    My amixer contents command lists only 3 numid settings and I have a usb sound card that should have an equalizer (has it in windows) but does not in slitaz.

    Can I add features to my amixer or add equalizer features to my sound card's slitaz profile?

    Thank you.
  • blcondeblconde May 2010
    Are you using the prefix -c (or --card) to select the usb sound card?

    Here's what I found after a fast internet search: and

    Hope this helps, now it's my turn to try to help you out.


  • slicelslicel May 2010
    Thank you, I did not know from kultex's post that the amixer command was specific to one card only.

    Does a modem on a sound card have its own amixer settings?

    Thank you
  • kultexkultex May 2010
    @ slicel - did I write a alsa sound howto? - normally you just have only one soundcard - so it is enough to type "amixer contents" - if you have more, you have to identify the card before with "aplay -l" and then type eg "amixer -c 0 contents" for card 0. ""And a modem has no amixer settings!! "" - !!Edit- not true!! And a equalizer for a soundcard is always software based and has nothing to do with hardware - even in windos!

    And it would be nice to tell finally the name of your laptop / hardware - as I already told you, there is no guarantee, that all hardware is running under linux, even when you know, that normally the chip could work under linux. In my now I think 16 years of linux experiance ( I started with Suse 1.0), I had quite a lot of devices, who never worked.

    I just have seen, that the modem is seen as a soundcard - Subdevice

    like on my X31:

    tux@slitaz:~$ aplay -l
    **** List of PLAYBACK Hardware Devices ****
    card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 0: Intel ICH [Intel 82801DB-ICH4]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 4: Intel ICH - IEC958 [Intel 82801DB-ICH4 - IEC958]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
    card 1: Modem [Intel 82801DB-ICH4 Modem], device 0: Intel ICH - Modem [Intel 82801DB-ICH4 Modem - Modem]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

    and the output of

    tux@slitaz:~$ amixer -c 1 contents
    numid=2,iface=MIXER,name='Caller ID Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=off
    numid=3,iface=MIXER,name='Modem Speaker Volume'
    ; type=INTEGER,access=rw------,values=2,min=0,max=3,step=0
    : values=0,0
    numid=1,iface=MIXER,name='Off-hook Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=off

    but as I tould you, that I never used these modems, I have no idea, what this meens

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