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-rw-r--r--Documentation/i2c/busses/i2c-parport3
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diff --git a/Documentation/i2c/busses/i2c-parport b/Documentation/i2c/busses/i2c-parport
index dceaba1ad930..2461c7b53b2c 100644
--- a/Documentation/i2c/busses/i2c-parport
+++ b/Documentation/i2c/busses/i2c-parport
@@ -29,6 +29,9 @@ can be easily added when needed.
Earlier kernels defaulted to type=0 (Philips). But now, if the type
parameter is missing, the driver will simply fail to initialize.
+SMBus alert support is available on adapters which have this line properly
+connected to the parallel port's interrupt pin.
+
Building your own adapter
-------------------------