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Fix behaviour of the driver with small files -- due to a stupid

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bug sound was not played if the total amount of data written to
the device was less than one blocksize

Noticed by: NABETANI Masaki and FreeBSD-users-jp
This commit is contained in:
Luigi Rizzo 1998-10-22 11:20:33 +00:00
parent 4d65f11c4c
commit 824f5b2e35
1 changed files with 2 additions and 2 deletions
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4
sys/i386/isa/snd/dmabuf.c
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@ -4,7 +4,7 @@
* This file implements the new DMA routines for the sound driver.
* AUTO DMA MODE (ISA DMA SIDE).
*
* Copyright by Luigi Rizzo - 1997
* Copyright by Luigi Rizzo - 1997-98
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -180,7 +180,7 @@ dsp_wrintr(snddev_info *d)
* This happens if the size has changed _and_ the new size
* is smaller, or it matches the blocksize.
*/
if (l != b->dl && (l < b->dl || l == d->play_blocksize) ) {
if (l != b->dl && (b->dl == 0 || l<b->dl || l == d->play_blocksize) ) {
/* for any reason, size has changed. Stop and restart */
DEB(printf("wrintr: bsz change from %d to %d, rp %d rl %d\n",
b->dl, l, b->rp, b->rl));