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  Kernel driver i2c-ali1535

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  Supported adapters:
    * Acer Labs, Inc. ALI 1535 (south bridge)

      Datasheet: Now under NDA

  	http://www.ali.com.tw/

  
  Authors:

  	- Frodo Looijaard <frodol@dds.nl>,
  	- Philip Edelbrock <phil@netroedge.com>,
  	- Mark D. Studebaker <mdsxyz123@yahoo.com>,
  	- Dan Eaton <dan.eaton@rocketlogix.com>,
  	- Stephen Rousset<stephen.rousset@rocketlogix.com>

  Description
  -----------
  
  This is the driver for the SMB Host controller on Acer Labs Inc. (ALI)
  M1535 South Bridge.
  
  The M1535 is a South bridge for portable systems. It is very similar to the
  M15x3 South bridges also produced by Acer Labs Inc.  Some of the registers
  within the part have moved and some have been redefined slightly.
  Additionally, the sequencing of the SMBus transactions has been modified to
  be more consistent with the sequencing recommended by the manufacturer and
  observed through testing.  These changes are reflected in this driver and
  can be identified by comparing this driver to the i2c-ali15x3 driver. For
  an overview of these chips see http://www.acerlabs.com
  
  The SMB controller is part of the M7101 device, which is an ACPI-compliant
  Power Management Unit (PMU).
  
  The whole M7101 device has to be enabled for the SMB to work. You can't
  just enable the SMB alone. The SMB and the ACPI have separate I/O spaces.
  We make sure that the SMB is enabled. We leave the ACPI alone.
  
  
  Features
  --------
  
  This driver controls the SMB Host only. This driver does not use
  interrupts.