| Kernel driver lm77 | 
 | ================== | 
 |  | 
 | Supported chips: | 
 |   * National Semiconductor LM77 | 
 |     Prefix: 'lm77' | 
 |     Addresses scanned: I2C 0x48 - 0x4b | 
 |     Datasheet: Publicly available at the National Semiconductor website | 
 |                http://www.national.com/ | 
 |  | 
 | Author: Andras BALI <drewie@freemail.hu> | 
 |  | 
 | Description | 
 | ----------- | 
 |  | 
 | The LM77 implements one temperature sensor. The temperature | 
 | sensor incorporates a band-gap type temperature sensor, | 
 | 10-bit ADC, and a digital comparator with user-programmable upper | 
 | and lower limit values. | 
 |  | 
 | Limits can be set through the Overtemperature Shutdown register and | 
 | Hysteresis register. |