Zbigniew Baniewski wrote:
> 1. Does there exist an easy way to distinguish "output devices" from
> "capture devices"? There's not always appropriate remark in the device's
> "name" field.
Only the name determines whether the control is for playback or capture.
Some controls have an ambiguous functions, and some drivers give their
controls ambiguous names.
> 2. Some devices have "access" field like: "rw---R--". What this big "R" does
> mean?
rwivlRWC
r readable
w writable
i inactive
v volatile
l locked
R tlv-readable
W tlv-writable
C tlv-commandable
"TLV" is additional data about the control, like dB scale information.
HTH
Clemens
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