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The underlying driver on my system does not support I2C_RDWR ioctl. It only supports I2C_SMBUS. My requirement is to support single message I2C_RDWR ioctl with I2C_SMBUS either in user or kernel space.

How can I achieve this?

halfer
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tsk
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    Is it theoretical requirement or you have real I²C slave device connected? If the latter is true, have you tried something? What went wrong? – 0andriy Feb 03 '20 at 08:50
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    It depends on the format of the transaction you want to perform. If it doesn't fit one of the formats supported by the I2C_SMBUS ioctl, then you are out of luck. – Ian Abbott Feb 03 '20 at 10:59

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