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OSCL-LXR

 
 

    


0001 Kernel driver lm92
0002 ==================
0003 
0004 Supported chips:
0005 
0006   * National Semiconductor LM92
0007 
0008     Prefix: 'lm92'
0009 
0010     Addresses scanned: I2C 0x48 - 0x4b
0011 
0012     Datasheet: http://www.national.com/pf/LM/LM92.html
0013 
0014   * National Semiconductor LM76
0015 
0016     Prefix: 'lm92'
0017 
0018     Addresses scanned: none, force parameter needed
0019 
0020     Datasheet: http://www.national.com/pf/LM/LM76.html
0021 
0022   * Maxim MAX6633/MAX6634/MAX6635
0023 
0024     Prefix: 'max6635'
0025 
0026     Addresses scanned: none, force parameter needed
0027 
0028     Datasheet: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3074
0029 
0030 
0031 Authors:
0032        - Abraham van der Merwe <abraham@2d3d.co.za>
0033        - Jean Delvare <jdelvare@suse.de>
0034 
0035 
0036 Description
0037 -----------
0038 
0039 This driver implements support for the National Semiconductor LM92
0040 temperature sensor.
0041 
0042 Each LM92 temperature sensor supports a single temperature sensor. There are
0043 alarms for high, low, and critical thresholds. There's also an hysteresis to
0044 control the thresholds for resetting alarms.
0045 
0046 Support was added later for the LM76 and Maxim MAX6633/MAX6634/MAX6635,
0047 which are mostly compatible. They have not all been tested, so you
0048 may need to use the force parameter.