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Message-Id: <1399560990-1402858-13-git-send-email-arnd@arndb.de>
Date:	Thu,  8 May 2014 16:56:24 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	linux-iio@...r.kernel.org, Josh Wu <josh.wu@...el.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 2/2] iio:adc: at91 requires the input subsystem

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@...db.de>
Cc: linux-iio@...r.kernel.org
Cc: Josh Wu <josh.wu@...el.com>
Cc: Jonathan Cameron <jic23@...nel.org>
Cc: Maxime Ripard <maxime.ripard@...e-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

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