[vdr] Re: SysFS Support

[Helmut Auer <vdr@helmutauer.de>]

Klaus Schmidinger wrote:

> Helmut Auer wrote:
>  
> > Hello,
> > After upgrading to kernel 2.6.2 I have to patch dvbdevice.c because
> > /proc/video is no longer used.
> > Its now in /sys and the contents of the file is also different . Are you
> > aware of that, Klaus ?
> >    
> No, I don't use kernel 2.6.
> Can you provide a patch that automatically handles this, depending on which
> kernel VDR is compiled on?
>
> Klaus
>
>
>  
Hello,
I've only made a quick and dirty patch ( its checking for av7110 ).

Hope it helps anyway

--
Helmut Auer, helmut@helmutauer.de 

--- dvbdevice.c.org	2004-02-13 14:01:58.000000000 +0100
+++ dvbdevice.c	2004-02-13 14:07:26.000000000 +0100
@@ -637,7 +637,36 @@
      }
      fclose(f);
    }
-    fclose(f);
+    if( f == (FILE *)NULL ) // if not found check for sysfs structure
+    {
+       ofs = -1;
+       while (1) {
+         snprintf(buffer, sizeof buffer, "/sys/class/video4linux/video%d/name", ++ofs);
+         if ((f = fopen(buffer, "r")) == (FILE *)NULL) { // does not exist?
+           ofs = 0;
+           break;
+         }
+         if (fgets(buffer, sizeof buffer, f)) {
+           if (strstr(buffer, "av7110")) // found the _first_ DVB card - works only for AV7110 cause I don't know it better
+           {
+              break;
+           }
+         }
+         else {
+           ofs = 0;
+           break;
+         }
+         fclose(f);
+       }
+       if( f != (FILE *)NULL ) // if not found check for sysfs structure
+       {
+          fclose(f);
+       }
+    }
+    else
+    {
+       fclose(f);
+    }
  }
  snprintf(buffer, sizeof(buffer), "%s%d", DEV_VIDEO, CardIndex() + ofs);  int videoDev = open(buffer, O_RDWR);
  if (videoDev < 0)




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