[PATCH 2/2] iio:adc: at91 requires the input subsystem

Arnd Bergmann
2014-05-08T14:57:01Z

Building the at91 adc driver with CONFIG_INPUT disabled results in this
build error:

ERROR: "input_event" [drivers/iio/adc/at91_adc.ko] undefined!
ERROR: "input_unregister_device" [drivers/iio/adc/at91_adc.ko] undefined!
ERROR: "input_free_device" [drivers/iio/adc/at91_adc.ko] undefined!
ERROR: "input_register_device" [drivers/iio/adc/at91_adc.ko] undefined!
ERROR: "input_set_abs_params" [drivers/iio/adc/at91_adc.ko] undefined!
ERROR: "input_allocate_device" [drivers/iio/adc/at91_adc.ko] undefined!

To make sure we can build random configurations, this turns on CONFIG_INPUT
whenever CONFIG_AT91_ADC is enabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: linux-iio@vger.kernel.org
Cc: Josh Wu <josh.wu@atmel.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
---
drivers/iio/adc/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 90f596d..a80d236 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -110,6 +110,7 @@ config AD799X
config AT91_ADC
tristate "Atmel AT91 ADC"
depends on ARCH_AT91
+ depends on INPUT
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
select SYSFS
--
1.8.3.2