CVS commit: src/sys/dev/audio

["Tetsuya Isaki" <isaki%netbsd.org@localhost>]

Module Name:    src
Committed By:   isaki
Date:           Wed Mar  4 14:19:41 UTC 2020

Modified Files:
        src/sys/dev/audio: audio.c

Log Message:
Restore backward compatibility with netbsd-7 audio.
For sticky parameters (encoding, precision, channels, sample_rate and pause):
 - AUDIO_SETINFO for nonexistent track updates sticky parameters.
 - AUDIO_GETINFO for nonexistent track reads sticky parameters.
For blocksize, hiwat, lowat and {play.record}.buffer_size:
 - AUDIO_SETINFO for nonexistent track does nothing.
 - AUDIO_GETINFO for nonexistent track returns dummy non-zero values.
Nonexistent track is a playback track on O_RDONLY descriptor for example,
or both tracks on /dev/audioctl.


To generate a diff of this commit:
cvs rdiff -u -r1.61 -r1.62 src/sys/dev/audio/audio.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.