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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>
This commit is contained in:
Jonathan Cameron 2011-06-27 13:07:51 +01:00 committed by Greg Kroah-Hartman
parent 937a960121
commit b19e9ad5e2
3 changed files with 415 additions and 483 deletions
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27
drivers/staging/iio/resolver/Kconfig
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@ -25,30 +25,3 @@ config AD2S1210
Say yes here to build support for Analog Devices spi resolver Say yes here to build support for Analog Devices spi resolver
to digital converters, ad2s1210, provides direct access via sysfs. 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

854
drivers/staging/iio/resolver/ad2s1210.c
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File diff suppressed because it is too large Load diff

17
drivers/staging/iio/resolver/ad2s1210.h Normal file
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@ -0,0 +1,17 @@
/*
* ad2s1210.h plaform data for the ADI Resolver to Digital Converters:
* AD2S1210
*
* Copyright (c) 2010-2010 Analog Devices Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
struct ad2s1210_platform_data {
unsigned sample;
unsigned a[2];
unsigned res[2];
bool gpioin;
};