The plan is to make sndiod need to control volume knobs. This diff
adds the AUDIO_MIXER_xxx ioctls to the "audio" pledge. Another option
would be to introduce a new "audioctl" promise, but IMHO we don't seed
such fine-grained promises.
OK?
Index: kern_pledge.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_pledge.c,v
retrieving revision 1.256
diff -u -p -u -p -r1.256 kern_pledge.c
--- kern_pledge.c 8 Dec 2019 23:08:59 -0000 1.256
+++ kern_pledge.c 2 Feb 2020 09:02:27 -0000
@@ -1123,6 +1123,9 @@ pledge_ioctl(struct proc *p, long com, s
case AUDIO_SETPAR:
case AUDIO_START:
case AUDIO_STOP:
+ case AUDIO_MIXER_DEVINFO:
+ case AUDIO_MIXER_READ:
+ case AUDIO_MIXER_WRITE:
if (fp->f_type == DTYPE_VNODE &&
vp->v_type == VCHR &&
cdevsw[major(vp->v_rdev)].d_open == audioopen)
