[Armadeus-commitlog] SF.net SVN: armadeus: [643] trunk/target/packages/ch7024ctrl/ch7024.c

[<th...@us...>]

Revision: 643
          http://armadeus.svn.sourceforge.net/armadeus/?rev=643&view=rev
Author:   thom25
Date:     2007-09-18 02:22:07 -0700 (Tue, 18 Sep 2007)

Log Message:
-----------
force reset of the DAC after paramter changing. This avoid flicking color effects

Modified Paths:
--------------
    trunk/target/packages/ch7024ctrl/ch7024.c

Modified: trunk/target/packages/ch7024ctrl/ch7024.c
===================================================================
--- trunk/target/packages/ch7024ctrl/ch7024.c	2007-09-12 21:45:30 UTC (rev 642)
+++ trunk/target/packages/ch7024ctrl/ch7024.c	2007-09-18 09:22:07 UTC (rev 643)
@@ -30,7 +30,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-//#include <linux/i2c.h> 
+#include <linux/i2c.h> 
 #include <linux/i2c-dev.h>
  
 #include <sys/ioctl.h>
@@ -192,6 +192,10 @@
         if(nb>=8) 
             write_byte (fd, addr4, val4);
     }
+    /* power down to reset the dac after parameter changing*/
+    write_byte (fd, POWER_STATE_CMD, 0xFF);
+    /* power on the dac after parameter changing*/
+    write_byte (fd, POWER_STATE_CMD, 0x00);
     if(fd_conf != NULL)
         fclose(fd_conf);
 }


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