[src/trunk]: src/sys/dev/pci round_blocksize must return a multiple of the fr...

[isaki <isaki%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e7970f6886a5
branches:  trunk
changeset: 1007760:e7970f6886a5
user:      isaki <isaki%NetBSD.org@localhost>
date:      Sat Feb 29 06:25:33 2020 +0000

description:
round_blocksize must return a multiple of the framesize.
It's not divisible when blk=GCSCAUDI_PRD_SIZE_MAX and channels=4.

diffstat:

 sys/dev/pci/gcscaudio.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 40b1a4045a37 -r e7970f6886a5 sys/dev/pci/gcscaudio.c
--- a/sys/dev/pci/gcscaudio.c   Sat Feb 29 06:06:29 2020 +0000
+++ b/sys/dev/pci/gcscaudio.c   Sat Feb 29 06:25:33 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gcscaudio.c,v 1.18 2019/06/08 08:02:38 isaki Exp $     */
+/*     $NetBSD: gcscaudio.c,v 1.19 2020/02/29 06:25:33 isaki Exp $     */
 
 /*-
  * Copyright (c) 2008 SHIMIZU Ryo <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gcscaudio.c,v 1.18 2019/06/08 08:02:38 isaki Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gcscaudio.c,v 1.19 2020/02/29 06:25:33 isaki Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -549,9 +549,10 @@
 gcscaudio_round_blocksize(void *arg, int blk, int mode,
                           const audio_params_t *param)
 {
-       blk &= -4;
+
        if (blk > GCSCAUDIO_PRD_SIZE_MAX)
                blk = GCSCAUDIO_PRD_SIZE_MAX;
+       blk = rounddown(blk, param->channels * param->precision / NBBY);
 
        return blk;
 }