be available in Linux kernel 2.6.23. Binary compatibility is guaranteed,
source code compatibility isn't, but the incompatibility will be
spotted quickly as the prototype of the helper function
i2c_smbus_read_i2c_block_data() changed. The only problem would be if
a program is calling i2c_smbus_access() directly. Hopefully this should
be a rare case. The py-smbus binding code is in this case and will be
adjusted soon.
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back from the address port, so the value 0xff is returned, causing
a false positive with the original test. Testing explicitly for 0x80
instead of only testing that bit 7 is set, works around it.
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does, but it only triggers a transaction on even register addresses,
relying on the target chip to increment its internal register pointer
between the high and low byte of the word. EEPROMs behave that way, so
this mode makes it possible to dump an EEPROM contents faster. I2C Block
Read is still faster but it isn't available on all busses, while SMBus
Read Word is very popular. This mode also makes it possible to test
SMBus Read Word transactions on a given adapter using common EEPROMs.
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Discard I2C_FUNC_SMBUS_*_PEC defines. i2c clients are not supposed to
check for PEC support of i2c bus drivers on individual SMBus
transactions, and i2c bus drivers are not supposed to advertise them.
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Only use PEC on the register write, not the readback, as it has proven to
cause trouble on some chips. Reads with PEC can be tested using i2cget.
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chip. It has byte data and word data read support as well as byte
write/byte read, and supports PEC too. Beware that byte write with PEC
enabled can write random values to registers on non-PEC-aware chips.
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is requested. Print the correct bus type if bus functionality can be
queried (will work if i2c-dev is loaded and user has write access to
/dev/i2c*).
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Discard unused hexchar function.
Massive reindent.
Rework the command line parameters handling.
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Default to bank register 0x07 for Super-I/O chips.
Move default bank register selection to a separate function.
Move setting/restoring bank to a separate function.
Allow dumping of shorter ranges (flat address space mode).
Limit I2C-like dumps to addresses up to 0x3fff.
Print expected ranges on range errors.
This should allow us to work with the PC87360 family of chips.
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Allow forcing of bank 0. Restore bank after dump.
This allows proper operation on Super-I/O chips.
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