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Date: Sun, 29 Jul 2001 17:55:09 -0700 (PDT)
From: Jim Pingle <jim@pingle.org>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: misc/29312: Using mixer on pcm misbehaves with onboard AudioPCI ES1373-A
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>Number:         29312
>Category:       misc
>Synopsis:       Using mixer on pcm misbehaves with onboard AudioPCI ES1373-A
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jul 29 18:00:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Jim Pingle
>Release:        4.3-STABLE
>Organization:
>Environment:
FreeBSD aurora.pingle.org 4.3-STABLE FreeBSD 4.3-STABLE #0: Sat Jul 28 15:34:43 EST 2001     root@aurora.pingle.org:/usr/obj/usr/src/sys/AURORA  i386
>Description:
Using an AudioPCI ES1373-A sound card that is built onto the 
motherboard, using mixer on pcm works oddly. When adjusting the volume 
of the pcm device, going from 0->100 yields two cycles from low->high. 
If I type "mixer pcm 50:50" it has the same effect as "mixer pcm 0:0", 
and "mixer pcm 49:49" is the same as "mixer pcm 100:100". Adjusting 
the "vol" device works normally from 0->100.

>How-To-Repeat:
Have a motherboard with:
pcm0: <AudioPCI ES1373-A> port 0x1800-0x183f irq 11 at device 12.0 on pci0
Play a (long) audio file.
mixer vol 100:100
mixer pcm 0:0  (Silence, as expected)
mixer pcm 49:49  (Full volume will be heard)
mixer pcm 50:50  (Silence again)
mixer pcm 100:100  (Full volume, as expected)
The problem should be quite audible.
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:

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