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sound: Fix SEQ_SYSEX() macro

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Correct implementation also found in Linux's soundcard.h:
https://github.com/torvalds/linux/blob/master/include/uapi/linux/soundcard.h#L1178

seq_processevent() interprets event[1] as device number and does not
work properly with current SEQ_SYSEX() implementation.

Note: soundcard.h has its own funky style, which this commit follows

Reviewed by: imp, christos
Pull Request: https://github.com/freebsd/freebsd-src/pull/1374
This commit is contained in:
Rozhuk Ivan 2024-08-09 21:52:17 +03:00 committed by Warner Losh
parent f8afe99cc8
commit bbf71b3159
1 changed files with 3 additions and 2 deletions
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5
sys/sys/soundcard.h
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@ -1400,8 +1400,9 @@ void seqbuf_dump(void); /* This function must be provided by programs */
int i, l=(len); if (l>6)l=6;\
_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = EV_SYSEX;\
for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
_seqbuf[_seqbufptr+1] = (dev);\
for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+2] = (buf)[i];\
for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+2] = 0xff;\
_SEQ_ADVBUF(8);}
#define SEQ_CHN_PRESSURE(dev, chn, pressure) \