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8293a60cb5
This makes use of the new devm_regulator_get_enable_read_voltage() helper function to reduce boilerplate code in the MCP3564 ADC driver. The error message is slightly changed since there are fewer error return paths. Setting adc->vref_mv is consolidated into a single place to make the logic easier to follow. A use_internal_vref_attr local variable is added to make it more obvious what the difference between the two iio info structures is. The return value of the "Unknown Vref" dev_err_probe() is hard-coded to -ENODEV instead of ret since it was getting a bit far from where ret was set and logically that is the only value it could have. Signed-off-by: David Lechner <dlechner@baylibre.com> Reviewed-by: Marius Cristea <marius.cristea@microchip.com> Link: https://patch.msgid.link/20240723-iio-regulator-refactor-round-3-v2-1-ae9291201785@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.