[openfirmware] r1500 - dev/hdaudio

[svn at openfirmware.info]

Author: wmb
Date: 2009-11-23 05:06:06 +0100 (Mon, 23 Nov 2009)
New Revision: 1500

Modified:
   dev/hdaudio/conexant.fth
Log:
OLPC trac 9701 - turn off speaker if headphones attached



Modified: dev/hdaudio/conexant.fth
===================================================================
--- dev/hdaudio/conexant.fth	2009-11-22 00:21:26 UTC (rev 1499)
+++ dev/hdaudio/conexant.fth	2009-11-23 04:06:06 UTC (rev 1500)
@@ -43,6 +43,11 @@
 ;
 
 : cx2058x-enable-playback   ( -- )
+   h# 19 to node  pin-sense?  if  \ headphones attached
+      h# 1f to node  power-off    \ turn off speaker
+   else                           \ no headphones
+      h# 1f to node  power-on     \ turn on speaker 
+   then 
    h# 10 to node  h# 70640 cmd   h# 20000 stream-format or cmd
 ;
 : cx2058x-disable-playback  ( -- )  ;