Hi Steve,

On 27/8/22 10:10, Steve Litt wrote:
> On Fri, 2022-08-26 at 16:24 -0700, Gregory Nowak via Dng wrote:
>> On Thu, Aug 25, 2022 at 04:23:38PM -0400, Steve Litt wrote:
>>> Is it my imagination, or does amixer not have a command to list all cards, with
>>> their card numbers and maybe device numbers? If this capability is really
>>> missing,
>>> it's quite an omission, as it forces one to trial and error cards.
>> No, not really. There is a list of cards in /proc/asound/cards.
>>
>> Greg
> Cool, that's all that's needed.

Amixer is only a piece of alsa-utils. The following utility will do the job:

$ aplay --list-devices

Cheers,

Aitor.