staging:iio: gpio build dependency fixing

Numerous drivers either had pointless includes of gpio.h
or should have been dependent on GENERIC_GPIO and were not.
Conversion of ads1210 to use array registration triggered
build failures that highlighted all was not well.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/staging/iio/resolver/Kconfig b/drivers/staging/iio/resolver/Kconfig
index 90b3bbcd875..49f69ef986f 100644
--- a/drivers/staging/iio/resolver/Kconfig
+++ b/drivers/staging/iio/resolver/Kconfig
@@ -13,6 +13,7 @@ config AD2S90
 config AD2S1200
         tristate "Analog Devices ad2s1200/ad2s1205 driver"
         depends on SPI
+        depends on GENERIC_GPIO
         help
           Say yes here to build support for Analog Devices spi resolver
           to digital converters, ad2s1200 and ad2s1205, provides direct access
@@ -21,6 +22,7 @@ config AD2S1200
 config AD2S1210
         tristate "Analog Devices ad2s1210 driver"
         depends on SPI
+        depends on GENERIC_GPIO
         help
           Say yes here to build support for Analog Devices spi resolver
           to digital converters, ad2s1210, provides direct access via sysfs.