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[src/trunk]: src/share/man/man4 audio.4: Mention the blk_ms sysctl



details:   https://anonhg.NetBSD.org/src/rev/55e45982b34a
branches:  trunk
changeset: 1008261:55e45982b34a
user:      nia <nia%NetBSD.org@localhost>
date:      Mon Mar 16 19:20:36 2020 +0000

description:
audio.4: Mention the blk_ms sysctl

diffstat:

 share/man/man4/audio.4 |  10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diffs (24 lines):

diff -r 94c1450466e9 -r 55e45982b34a share/man/man4/audio.4
--- a/share/man/man4/audio.4    Mon Mar 16 19:09:34 2020 +0000
+++ b/share/man/man4/audio.4    Mon Mar 16 19:20:36 2020 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: audio.4,v 1.98 2020/03/16 13:02:05 wiz Exp $
+.\"    $NetBSD: audio.4,v 1.99 2020/03/16 19:20:36 nia Exp $
 .\"
 .\" Copyright (c) 1996 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -326,11 +326,9 @@
 implementation-required limits.
 Normally the
 .Va blocksize
-is calculated to correspond to 40ms
-(for some hardware, this value may be different due to
-the hardware restrictions)
-of sound and it is recalculated
-when the encoding parameters change.
+is calculated to correspond to the value of the
+.Em hw.audioX.blk_ms
+sysctl and is recalculated when the encoding parameters change.
 If the descriptor is opened for read only,
 .Va blocksize
 indicates the blocksize for the recording track.



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