iio: magn: ak8975: add Vid regulator

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The AK8975 has two power sources: Vdd (analog voltage supply)
and Vid (digital voltage supply). Optionally also obtain the Vid
supply regulator and enable it.

If an error occurs when enabling one of the regulators: bail out.

Cc: Gregor Boirie <gregor.boirie@parrot.com>
Cc: Richard Leitner <dev@g0hl1n.net>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

...

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Linus Walleij 2016-06-29 14:08:34 +02:00 • committed by Jonathan Cameron

parent 90e96fdd01

commit b21d3f3452

1 changed files with 15 additions and 0 deletions

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drivers/iio/magnetometer/ak8975.c

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