Re: kern/55130: audio sometimes plays a buzz sound for a few seconds when changing volume

[Tetsuya Isaki <isaki%pastel-flower.jp@localhost>]

The following reply was made to PR kern/55130; it has been noted by GNATS.

From: Tetsuya Isaki <isaki%pastel-flower.jp@localhost>
To: matthew green <mrg%eterna.com.au@localhost>
Cc: kern-bug-people%netbsd.org@localhost,
	gnats-admin%netbsd.org@localhost,
	netbsd-bugs%netbsd.org@localhost,
	coypu%sdf.org@localhost,
	gnats-bugs%netbsd.org@localhost
Subject: Re: kern/55130: audio sometimes plays a buzz sound for a few seconds when changing volume
Date: Wed, 08 Apr 2020 14:31:24 +0900

 At Wed, 08 Apr 2020 15:15:06 +1000,
 matthew green wrote:
 > > +	/* Disable interrupt notification to upper layer */
 > > +	ad->ad_playbackintr = NULL;
 > 
 > should this (and capture) be protected by sc_intr_lock?
 > the access of it occurs there..
 
 MD halt_output/input is called with sc_intr_lock.
 See comment at the top of sys/dev/audio/audio.c.
 
 Thanks,
 ---
 Tetsuya Isaki <isaki%pastel-flower.jp@localhost / isaki%NetBSD.org@localhost>