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Input: atmel_captouch - add dependence on i2c

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The newly added Atmal captouch driver fails to build when CONFIG_I2C
is disabled:

drivers/input/misc/atmel_captouch.c: In function 'atmel_read':
drivers/input/misc/atmel_captouch.c:115:8: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration]

This adds an explicit Kconfig dependency to prevent the broken
configuration.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: b06d43f7a3 ("Input: add Atmel Captouch Button driver")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Arnd Bergmann 2016-05-19 09:14:02 -07:00 committed by Dmitry Torokhov
parent b06d43f7a3
commit 14f935f9a4
1 changed files with 1 additions and 0 deletions
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drivers/input/misc/Kconfig
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@ -85,6 +85,7 @@ config INPUT_ARIZONA_HAPTICS
config INPUT_ATMEL_CAPTOUCH
tristate "Atmel Capacitive Touch Button Driver"
depends on OF || COMPILE_TEST
depends on I2C
help
Say Y here if an Atmel Capacitive Touch Button device which
implements "captouch" protocol is connected to I2C bus. Typically