Module Name: src
Committed By: nat
Date: Fri Nov 3 21:15:18 UTC 2017
Modified Files:
src/sys/dev: audio.c
Log Message:
Blocksizes sould be rounded to a power of 2 as OSS applications need this.
Tested by martin@.
To generate a diff of this commit:
cvs rdiff -u -r1.427 -r1.428 src/sys/dev/audio.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/audio.c
diff -u src/sys/dev/audio.c:1.427 src/sys/dev/audio.c:1.428
--- src/sys/dev/audio.c:1.427 Fri Nov 3 21:12:44 2017
+++ src/sys/dev/audio.c Fri Nov 3 21:15:18 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: audio.c,v 1.427 2017/11/03 21:12:44 nat Exp $ */
+/* $NetBSD: audio.c,v 1.428 2017/11/03 21:15:18 nat Exp $ */
/*-
* Copyright (c) 2016 Nathanial Sloss <[email protected]>
@@ -148,7 +148,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.427 2017/11/03 21:12:44 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.428 2017/11/03 21:15:18 nat Exp $");
#ifdef _KERNEL_OPT
#include "audio.h"
@@ -2020,6 +2020,12 @@ audio_init_ringbuffer(struct audio_softc
hwblksize = sc->sc_hwvc->sc_mrr.blksize;
}
+ int tmpblksize = 1;
+ /* round blocksize to a power of 2 */
+ while (tmpblksize < blksize)
+ tmpblksize <<= 1;
+
+ blksize = tmpblksize;
if (blksize > hwblksize)
blksize = hwblksize;
}
