Hi,
In Ubuntu Japanese Community forum, I help the person who cannot set the
PCM output volume of USB device with amixer or alsamixer.
https://forums.ubuntulinux.jp/viewtopic.php?id=11984p=1
He can get PCM output (2 channels) from the device but cannot set their
volume correctly. I adviced him
Oh, I post a wrong output about cards...
$ cat /proc/asound/cards;
0 [V8237 ]: VIA8237 - VIA 8237
VIA 8237 with CMI9761A+ at 0xe400, irq 22
1 [SX ]: USB-Audio - Sound Blaster Digital Music SX
Creative Technology Ltd. Sound