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Input: applespi - select CRC16 module

Browse Source 
In some rare randconfig builds, CRC16 is disabled, which leads
to a link error:

drivers/input/keyboard/applespi.o: In function `applespi_send_cmd_msg':
applespi.c:(.text+0x449f): undefined reference to `crc16'
drivers/input/keyboard/applespi.o: In function `applespi_verify_crc':
applespi.c:(.text+0x7538): undefined reference to `crc16'

This symbol is meant to be selected for each user in Kconfig,
so do that here as well.

Fixes: 038b1a05ea ("Input: add Apple SPI keyboard and trackpad driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Arnd Bergmann 2019-07-23 16:41:35 +03:00 committed by Dmitry Torokhov
parent a7cd67e2b7
commit 020834bebb
1 changed files with 1 additions and 0 deletions
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drivers/input/keyboard/Kconfig
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@ -76,6 +76,7 @@ config KEYBOARD_APPLESPI
depends on ACPI && EFI
depends on SPI
depends on X86 || COMPILE_TEST
select CRC16
help
Say Y here if you are running Linux on any Apple MacBook8,1 or later,
or any MacBookPro13,* or MacBookPro14,*.