iio: adc: rockchip_saradc: Add support iio buffers

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Add the ability to also support access via (triggered) buffers
next to the existing direct mode.

Device in question is the Odroid Go Advance that connects a joystick
to two of the saradc channels for X and Y axis and the new (and still
pending) adc joystick driver of course wants to use triggered buffers
from the iio subsystem.

Signed-off-by: Simon Xue <xxm@rock-chips.com>
[some simplifications and added commit description]
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

...

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Simon Xue 2020-06-24 01:30:11 +02:00 • committed by Jonathan Cameron

parent 71eb7c855b

commit 4e130dc7b4

1 changed files with 110 additions and 35 deletions

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drivers/iio/adc/rockchip_saradc.c

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