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[1/2] Input: atmel captouch depends on i2c

Message ID 1463665954-3898044-2-git-send-email-arnd@arndb.de (mailing list archive)
State Accepted
Headers show

Commit Message

Arnd Bergmann May 19, 2016, 1:52 p.m. UTC
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: b06d43f7a3db ("Input: add Atmel Captouch Button driver")
---
 drivers/input/misc/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 9c3dfe79d4d4..27d6da0e354a 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -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