Simultaneously access to one i2c/dev-interface from different process to different i2c devices

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Hello,

is it possible from different processes to access different i2c devices on the same i2c bus/adapter using the i2c/dev-interface from userland?

Or can the i2c/dev-interface only ne used from a single process?


How does the simultaneously access to one adapter works for i2c device drivers inside the kernel? Do they fail on a simultaneously access, or do they wait until the i2c adapter is ready/free for use?


Best regards,
Matthias

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