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Merge series from David Lechner <dlechner@baylibre.com>: In the IIO subsystem, we noticed a pattern in many drivers where we need to get, enable and get the voltage of a supply that provides a reference voltage. In these cases, we only need the voltage and not a handle to the regulator. Another common pattern is for chips to have an internal reference voltage that is used when an external reference is not available. There are also a few drivers outside of IIO that do the same. So we would like to propose a new regulator consumer API to handle these specific cases to avoid repeating the same boilerplate code in multiple drivers. As an example of how these functions are used, I have included a few patches to consumer drivers. But to avoid a giant patch bomb, I have omitted the iio/adc and iio/dac patches I have prepared from this series. I will send those separately but these will add 36 more users of devm_regulator_get_enable_read_voltage() in addition to the 6 here. In total, this will eliminate nearly 1000 lines of similar code and will simplify writing and reviewing new drivers in the future. |
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