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Date:      Fri, 01 Nov 2024 20:58:14 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 282474] bell: unable to enable bell
Message-ID:  <bug-282474-227-uny5sXLU0b@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-282474-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-282474-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282474

--- Comment #3 from Ed Maste <emaste@freebsd.org> ---
> So, bell ring only works on "pc speaker"?

Both sc(4) and vt(4) have kernel support only for the "pc speaker," calling
sysbeep().

vt(4) can also generate a notification when the bell needs to ring, but I d=
on't
believe we have a well documented way to use that to set up a bell via a so=
und
card.

For reference:

commit 4ac3d08a9693c27c1bd2ddd67b2808ac9e18f4c5
Author: Warner Losh <imp@FreeBSD.org>
Date:   Wed Nov 3 15:55:48 2021 -0600

    vt: Add devctl message for bells

    Generate VT events when the bell beeps. When coupled with disabling the
    bell,this allows custom bells to be rung when we'd otherwise beep.

    Reviewed by:    kevans
    Differential Revision:  https://reviews.freebsd.org/D32656

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