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 <nathanialsl...@yahoo.com.au> @@ -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; }