linux-kernel - [PATCH] Input: sis-i2c: select CONFIG_CRC_ITU

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Date:	Thu,  4 Aug 2016 15:07:06 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Mika Penttilä <mika.penttila@...tfour.com>,
	Tammy Tseng <tammy_tseng@....com>, Yuger Yu <yuger_yu@....com>,
	Arnd Bergmann <arnd@...db.de>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Input: sis-i2c: select CONFIG_CRC_ITU_T

The newly added sis_i2c driver fails to link without the CRC_ITU_T
driver enabled:

drivers/input/touchscreen/sis_i2c.o: In function `sis_ts_irq_handler':
sis_i2c.c:(.text+0xc0): undefined reference to `crc_itu_t'

This adds a Kconfig select statement.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: a485cb037fe6 ("Input: add driver for SiS 9200 family I2C touchscreen controllers")
---
 drivers/input/touchscreen/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 8d893cefb0e3..2fb1f430a431 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -1074,6 +1074,7 @@ config TOUCHSCREEN_SILEAD
 config TOUCHSCREEN_SIS_I2C
 	tristate "SiS 9200 family I2C touchscreen"
 	depends on I2C
+	select CRC_ITU_T
 	depends on GPIOLIB || COMPILE_TEST
 	help
 	  This enables support for SiS 9200 family over I2C based touchscreens.
-- 
2.9.0