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staging:iio:resolver:ad2s1210 general driver cleanup.
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Note I haven't made any changes to the userspace interface as yet.
This is all about cleaning up what was actually there (handling
all errors etc).

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Jonathan Cameron authored and gregkh committed Jun 28, 2011
1 parent 937a960 commit b19e9ad
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Showing 3 changed files with 416 additions and 484 deletions.
27 changes: 0 additions & 27 deletions drivers/staging/iio/resolver/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -25,30 +25,3 @@ config AD2S1210
Say yes here to build support for Analog Devices spi resolver
to digital converters, ad2s1210, provides direct access via sysfs.

choice
prompt "Resolution Control"
depends on AD2S1210
default AD2S1210_GPIO_NONE
help
In normal mode, the resolution of the digital output is selected
using the RES0 and RES1 input pins. In configuration mode, the
resolution is selected by setting the RES0 and RES1 bits in the
control regsiter. When switching between normal mode and configuration
mode, there are some schemes to keep them matchs.

config AD2S1210_GPIO_INPUT
bool "read resolution from gpio pins"
help
GPIO pins are sampling RES0 and RES1 pins, read the resolution
settings from the GPIO pins.

config AD2S1210_GPIO_OUTPUT
bool "set gpio pins to set resolution"
help
RES0 and RES1 pins are controlled by GPIOs, setting GPIO pins to
set the resolution.

config AD2S1210_GPIO_NONE
bool "take the responsibility by user"

endchoice
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