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POConfiguring softvol in ALSA
 

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  1. POConfiguring softvol in ALSA
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    <p>I have a problem with a USB Sound Card: I cannot change the volume with alsamixer. I created a file called .asoundrc in order to create softvolume control. I made a mess because the default device is just for playback, and now have 3 controls: Master, PCM and Capture, and should have one. I would like to revert that first, I already deleted the file, but those controls still there even if I reboot. Then I would like to add a softvol to the USB Sound Card. Here is a list of my lsusb:</p> <pre><code>Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. Bus 001 Device 004: ID 1130:f211 Tenx Technology, Inc. TP6911 Audio Headset </code></pre> <p>And this my list of devices listed by aplay -l command:</p> <pre><code>**** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 1: AUDIO [USB AUDIO], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 </code></pre> <p>I found that I need to set something like this in my .asoundrc, but i'm not sure how is it in my case:</p> <pre><code>pcm.newdevice { type softvol slave.pcm "default" control.name "Softmaster" control.card 0 } </code></pre> <p>I'm using Debian</p> <p>UPDATE: I have the following Configuration: pcm.softvol { type softvol slave { pcm "hw:1,0" } control { name "Volume out" card 1 } }</p> <p>pcm.!default { type plug slave.pcm "softvol" slave.channels 2 }</p> <p>But now, I have two controls with the same name, even when each one are marked as Playback and Capture, I changes one and the another control changes too! How do I know that is not the same control? How can I have a control for the "Mic In" of the same device? I've tried copying the same as pcm.softvol section, but changing name to "Volume IN" and pcm "hw:1,1" and didn't work.</p>
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