Get I2C adapter driver names from sysfs. The old method (matching against

regexp for known I2C adapters) is still used as a fallback, as early 2.6
kernels don't support the new method, and some drivers (i2c-viapro for
example) do not bind to their device so the new method doesn't work for
them.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5407 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -17,6 +17,7 @@ SVN-HEAD
                   Drop support for Linux 2.4 (#2325)
                   Handle special case chips more efficiently
                   Fix SMBus detection of W83627EHF and W83627DHG
+                  Get I2C adapter driver names from sysfs (#2328)
 
 3.0.3 (2008-09-28)
   libsensors: Avoid namespace pollution

prog/detect/sensors-detect

@@ -2366,7 +2366,11 @@ sub initialize_i2c_adapters_list
     $entry->{'name'} = sysfs_device_attribute("${class_dir}/i2c-$1", "name")
                     || sysfs_device_attribute("${class_dir}/i2c-$1/device", "name");
     next if $entry->{'name'} eq "ISA main adapter";
-    $entry->{'driver'} = find_adapter_driver($entry->{'name'});
+
+    # First try to get the I2C adapter driver name from sysfs, and if it
+    # fails, fall back to searching our list of known I2C adapters.
+    $entry->{'driver'} = sysfs_device_driver("${class_dir}/i2c-$1/device")
+                      || find_adapter_driver($entry->{'name'});
     $i2c_adapters[$1] = $entry;
   }
   closedir(ADAPTERS);