Fix the volume bar color selection logic so that the current attribute
is used for inactive controls.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Rename the attr variable because it contains not only the character's
attributes but also the character itself.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
For multichannel mixer controls, add the channel name to each screen
control.
Also make some other small changes.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
