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-Kernel driver lm75
-==================
-
-Supported chips:
- * National Semiconductor LM75
- Prefix: 'lm75'
- Addresses scanned: I2C 0x48 - 0x4f
- Datasheet: Publicly available at the National Semiconductor website
- http://www.national.com/
- * National Semiconductor LM75A
- Prefix: 'lm75a'
- Addresses scanned: I2C 0x48 - 0x4f
- Datasheet: Publicly available at the National Semiconductor website
- http://www.national.com/
- * Dallas Semiconductor DS75, DS1775
- Prefixes: 'ds75', 'ds1775'
- Addresses scanned: none
- Datasheet: Publicly available at the Dallas Semiconductor website
- http://www.maxim-ic.com/
- * Maxim MAX6625, MAX6626
- Prefixes: 'max6625', 'max6626'
- Addresses scanned: none
- Datasheet: Publicly available at the Maxim website
- http://www.maxim-ic.com/
- * Microchip (TelCom) TCN75
- Prefix: 'lm75'
- Addresses scanned: none
- Datasheet: Publicly available at the Microchip website
- http://www.microchip.com/
- * Microchip MCP9800, MCP9801, MCP9802, MCP9803
- Prefix: 'mcp980x'
- Addresses scanned: none
- Datasheet: Publicly available at the Microchip website
- http://www.microchip.com/
- * Analog Devices ADT75
- Prefix: 'adt75'
- Addresses scanned: none
- Datasheet: Publicly available at the Analog Devices website
- http://www.analog.com/adt75
- * ST Microelectronics STDS75
- Prefix: 'stds75'
- Addresses scanned: none
- Datasheet: Publicly available at the ST website
- http://www.st.com/internet/analog/product/121769.jsp
- * Texas Instruments TMP100, TMP101, TMP105, TMP75, TMP175, TMP275
- Prefixes: 'tmp100', 'tmp101', 'tmp105', 'tmp175', 'tmp75', 'tmp275'
- Addresses scanned: none
- Datasheet: Publicly available at the Texas Instruments website
- http://www.ti.com/product/tmp100
- http://www.ti.com/product/tmp101
- http://www.ti.com/product/tmp105
- http://www.ti.com/product/tmp75
- http://www.ti.com/product/tmp175
- http://www.ti.com/product/tmp275
-
-Author: Frodo Looijaard <frodol@dds.nl>
-
-Description
------------
-
-The LM75 implements one temperature sensor. Limits can be set through the
-Overtemperature Shutdown register and Hysteresis register. Each value can be
-set and read to half-degree accuracy.
-An alarm is issued (usually to a connected LM78) when the temperature
-gets higher then the Overtemperature Shutdown value; it stays on until
-the temperature falls below the Hysteresis value.
-All temperatures are in degrees Celsius, and are guaranteed within a
-range of -55 to +125 degrees.
-
-The LM75 only updates its values each 1.5 seconds; reading it more often
-will do no harm, but will return 'old' values.
-
-The original LM75 was typically used in combination with LM78-like chips
-on PC motherboards, to measure the temperature of the processor(s). Clones
-are now used in various embedded designs.
-
-The LM75 is essentially an industry standard; there may be other
-LM75 clones not listed here, with or without various enhancements,
-that are supported. The clones are not detected by the driver, unless
-they reproduce the exact register tricks of the original LM75, and must
-therefore be instantiated explicitly. The specific enhancements (such as
-higher resolution) are not currently supported by the driver.
-
-The LM77 is not supported, contrary to what we pretended for a long time.
-Both chips are simply not compatible, value encoding differs.