mixer(3): fixed post assignment check in mixer_remove_ctl.
mixer(8): added error handling in initctls.

Added $FreeBSD$ tags.

mixer.3: updated MIX_VOLDENORM definition.

Removed math.h dependency.

Removed useless files.

Replaced PCM_MODE_NONE with PCM_MODE_MIXER.

Fixed sysctl description.

In D31320#705890, @hselasky wrote:

Yes, MIDI devices are also PCM devices, but there is no /dev/dspX device.

Let me have a look. Do you have a USB MIDI device at hand?

--HPS

In D31320#705825, @hselasky wrote:

PCM_MODE_NONE usually means MIDI. Could you investigate that a bit?

In D31320#705794, @hselasky wrote:

What is the motivation for changing this?

Fixed flag handling.

In D31320#705720, @hselasky wrote:

OK! Can you update the patch to use "mode"?

In D31320#705712, @hselasky wrote:

Does the word "mode" make sense to you?

In D31320#705403, @hselasky wrote:

Could you check an english dictionary with synonyms?

In D31320#705399, @hselasky wrote:

Are there other options for naming.

Status is usually something that can change. But this is more like a property.

In D31320#705392, @hselasky wrote:

I think s/status/feature/ is a better word?

What do you think?

--HPS

Added Hans' changes.