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- Fixup the locking.

Browse source 
- Don't mark MPSAFE (yet).
- DSP_CMD_DMAEXIT_8 doesn't work on old cards, use sb_reset_dsp() instead.

Submitted by:	Ariff Abdullah <skywizard@MyBSD.org.my>
This commit is contained in:
Alexander Leidinger 2005-07-31 13:53:53 +00:00
parent 7a7689dea4
commit c249345405
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=148599
1 changed files with 17 additions and 3 deletions
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20
sys/dev/sound/isa/sb8.c
View file

@ -475,11 +475,17 @@ sb_intr(void *arg)
struct sb_info *sb = (struct sb_info *)arg;
sb_lock(sb);
if (sndbuf_runsz(sb->pch.buffer) > 0)
if (sndbuf_runsz(sb->pch.buffer) > 0) {
sb_unlock(sb);
chn_intr(sb->pch.channel);
sb_lock(sb);
}
if (sndbuf_runsz(sb->rch.buffer) > 0)
if (sndbuf_runsz(sb->rch.buffer) > 0) {
sb_unlock(sb);
chn_intr(sb->rch.channel);
sb_lock(sb);
}
sb_rd(sb, DSP_DATA_AVAIL); /* int ack */
sb_unlock(sb);
@ -564,8 +570,16 @@ sb_stop(struct sb_chinfo *ch)
sb_lock(sb);
if (sb->bd_flags & BD_F_HISPEED)
sb_reset_dsp(sb);
else
else {
#if 0
/*
* NOTE: DSP_CMD_DMAEXIT_8 does not work with old
* soundblaster.
*/
sb_cmd(sb, DSP_CMD_DMAEXIT_8);
#endif
sb_reset_dsp(sb);
}
if (play)
sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */