From owner-cvs-all  Sat Nov 13 10:31:45 1999
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From: Doug Rabson <dfr@FreeBSD.org>
Date: Sat, 13 Nov 1999 10:31:32 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/dev/pcm dsp.c src/sys/dev/pcm/isa es1888.c
         sb.c sb.h
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dfr         1999/11/13 10:31:31 PST

  Modified files:
    sys/dev/pcm          dsp.c 
    sys/dev/pcm/isa      sb.c sb.h 
  Added files:
    sys/dev/pcm/isa      es1888.c 
  Log:
  * Ignore the wierd fakechan workarounds for simplex in dsp_ioctl().
    Without this, ioctl commands for setting formats and speeds were
    essentially ignored for simplex devices until the application actually
    performed a read or write.
  * Make sure that both channels are set in the SB mixer code and provide a
    mixer table specifically for the ess18xx which supports the extended
    accuracy available on this part.
  * Fix a stupid bug in ess_format() which ignored the passed-in format and
    changed the hardware based on the value which was set last time. This
    meant that the hardware setting was often not set correctly at all.
  * Add a custom identify driver for the ESS1888 which automagically detects
    and adds the device in a pseudo-PnP way. This driver also emits the magic
    sequence which enables the sound hardware after a hard reset, allowing
    it to work correctly for the sound hardware of a PWS 433au (and probably
    all other PWS class alpha machines).
  
  With these changes, I was able to play back simple sounds on my 433au. I
  have not tested recording or any other formats other than 8bit ulaw and
  16bit stereo.
  
  Revision  Changes    Path
  1.7       +3 -2      src/sys/dev/pcm/dsp.c
  1.30      +29 -17    src/sys/dev/pcm/isa/sb.c
  1.9       +17 -0     src/sys/dev/pcm/isa/sb.h



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