Subject: kern/21322: cmpci mixer broken
To: None <gnats-bugs@gnats.netbsd.org>
From: None <g.mcgarry@ieee.org>
List: netbsd-bugs
Date: 04/26/2003 10:46:13
>Number: 21322
>Category: kern
>Synopsis: cmpci mixer broken
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Fri Apr 25 22:47:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: Gregory McGarry
>Release: NetBSD 1.6R
>Organization:
>Environment:
System: NetBSD 1.6R
Architecture: i686
cmpci0 at pci0 dev 11 function 0: vendor 0x13f6 product 0x0111 (rev. 0x10)
cmpci0: interrupting at irq 10
audio1 at cmpci0: full duplex, mmap, independent
opl at cmpci0 not configured
mpu at cmpci0 not configured
>Description:
It seems that if you access cmpci through the /dev/audio interface,
it resets the mixer settings to default values. By my understanding,
which matches other sound drivers, only the recording/playing parameters
should be reset, not the mixer settings.
Try using /dev/audio and wonder why the microphone keeps muting
itself. If you use /dev/sound, it works!
>How-To-Repeat:
Unfortunately, it cannot be repeated using audiorecord. Probably because
it fiddles with the monitor gain, which probably progagates down into the
cmpci driver and fixes the mixer. I can supply code on demand.
>Fix:
N/A
>Release-Note:
>Audit-Trail:
>Unformatted: