linux-kernel - [PATCH 3/3] [media] cec: add RC

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Message-Id: <20160629142749.4125434-3-arnd@arndb.de>
Date:	Wed, 29 Jun 2016 16:26:36 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kamil Debski <kamil@...as.org>, linux-media@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] [media] cec: add RC_CORE dependency

We cannot build the cec driver when the RC core is a module
and cec is built-in:

drivers/staging/built-in.o: In function `cec_allocate_adapter':
:(.text+0x134): undefined reference to `rc_allocate_device'
drivers/staging/built-in.o: In function `cec_register_adapter':
:(.text+0x304): undefined reference to `rc_register_device'

This adds an explicit dependency to avoid this case. We still
allow building when CONFIG_RC_CORE is disabled completely,
as the driver has checks for this case itself.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/staging/media/cec/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/cec/Kconfig b/drivers/staging/media/cec/Kconfig
index cd523590ea6f..b83b4d83946d 100644
--- a/drivers/staging/media/cec/Kconfig
+++ b/drivers/staging/media/cec/Kconfig
@@ -1,6 +1,7 @@
 config MEDIA_CEC
 	tristate "CEC API (EXPERIMENTAL)"
 	depends on MEDIA_SUPPORT
+	depends on RC_CORE || !RC_CORE
 	select MEDIA_CEC_EDID
 	---help---
 	  Enable the CEC API.
-- 
2.9.0