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Linux/Documentation/i2c/slave-eeprom-backend.rst

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Diff markup

Differences between /Documentation/i2c/slave-eeprom-backend.rst (Version linux-6.12-rc7) and /Documentation/i2c/slave-eeprom-backend.rst (Version linux-4.12.14)

  1 ==============================                    
  2 Linux I2C slave EEPROM backend                    
  3 ==============================                    
  4                                                   
  5 by Wolfram Sang <wsa@sang-engineering.com> in 2    
  6                                                   
  7 This backend simulates an EEPROM on the connec    
  8 can be accessed from userspace via this file l    
  9                                                   
 10         /sys/bus/i2c/devices/<device-directory    
 11                                                   
 12 The following types are available: 24c02, 24c3    
 13 variants are also supported. The name needed f    
 14 'slave-<type>[ro]'. Examples follow:              
 15                                                   
 16 24c02, read/write, address 0x64:                  
 17   # echo slave-24c02 0x1064 > /sys/bus/i2c/dev    
 18                                                   
 19 24c512, read-only, address 0x42:                  
 20   # echo slave-24c512ro 0x1042 > /sys/bus/i2c/    
 21                                                   
 22 You can also preload data during boot if a dev    
 23 'firmware-name' contains a valid filename (DT     
 24                                                   
 25 As of 2015, Linux doesn't support poll on bina    
 26 notification when another master changed the c
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