Changeset 648

Timestamp:

12/01/99 16:47:11 (13 years ago)

Author:

frodo

Message:

i2c-detect now checks whether SMBus quick write is in the

functionality matrix.

Files:

• lm-sensors/trunk/prog/detect/i2cdetect.c (modified) (2 diffs)

lm-sensors/trunk/prog/detect/i2cdetect.c

@@ -37 +37 @@
   int i,j,res,i2cbus,file;
   char filename[20];
+  long funcs;
   
 
@@ -60 +61 @@
     fprintf(stderr,"Error: Could not open file `%s': %s\n",filename,
             strerror(errno));
+    exit(1);
+  }
+
+  if (ioctl(file,I2C_FUNCS,&funcs) < 0) {
+    fprintf(stderr,
+            "Error: Could not get the adapter functionality maxtrix: %s\n",
+            strerror(errno));
+    exit(1);
+  }
+  if (! (funcs & I2C_FUNC_SMBUS_QUICK)) {
+    fprintf(stderr,
+            "Error: Can't use SMBus Quick Write command "
+            "on this bus (ISA bus?)\n");
     exit(1);
   }