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authorJean Delvare <khali@linux-fr.org>2007-05-01 23:26:31 +0200
committerJean Delvare <khali@hyperion.delvare>2007-05-01 23:26:31 +0200
commit12b5053ac58709c7d475888bc18d1f61958afc4e (patch)
tree13a6afc6ad6d3f22568045ba71277c1331fd4283 /Documentation
parent0f3b48385213355a2d4408bec1b481ffcf0e8638 (diff)
i2c: Add i2c_new_probed_device()
Add a new helper function to instantiate an i2c device. It is meant as a replacement for i2c_new_device() when you don't know for sure at which address your I2C/SMBus device lives. This happens frequently on TV adapters for example, you know there is a tuner chip on the bus, but depending on the exact board model and revision, it can live at different addresses. So, the new i2c_new_probed_device() function will probe the bus according to a list of addresses, and as soon as one of these addresses responds, it will call i2c_new_device() on that one address. This function will make it possible to port the old i2c drivers to the new model quickly. Signed-off-by: Jean Delvare <khali@linux-fr.org>
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