iio: adc: max1027: Prepare the introduction of different resolutions

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Maxim's max1027/29/31 series returns the measured voltages with a
resolution of 10 bits. There is a very similar series, max1227/29/31
which works identically but uses a resolution of 12 bits. Prepare the
support for these chips by turning the 'depth' into a macro parameter
instead of hardcoding it everywhere. Also reorganize just a bit the
macros at the top to avoid repeating tens of lines when adding support
for a new chip.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Miquel Raynal 2019-10-11 16:43:43 +02:00 • committed by Jonathan Cameron

parent db033831b4

commit 7af5257d84

1 changed files with 32 additions and 42 deletions

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drivers/iio/adc/max1027.c

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