linux-kernel - [PATCH 14/15] ASoC: Amstrad E3 needs TTY support for codec

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Date:	Tue, 29 Apr 2014 19:18:35 +0800
From:	Xia Kaixu <kaixu.xia@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	linaro-kernel@...ts.linaro.org, arnd@...db.de,
	kaixu.xia@...aro.org, Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	linux-omap@...r.kernel.org, alsa-devel@...a-project.org
Subject: [PATCH 14/15] ASoC: Amstrad E3 needs TTY support for codec

From: Arnd Bergmann <arnd@...db.de>

The cx20442 codec driver used here requires the TTY layer to
be enabled, or we get a link error:

sound/built-in.o: In function `cx20442_codec_remove':
cx20442.c:398: undefined reference to `tty_hangup'
sound/built-in.o: In function `ams_delta_remove':
ams-delta.c:613: undefined reference to `tty_unregister_ldisc'
sound/built-in.o: In function `ams_delta_cx20442_init':
ams-delta.c:559: undefined reference to `tty_register_ldisc'

This adds the missing dependency in the E3 configuration, there
was already one for the codec.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Xia Kaixu <kaixu.xia@...aro.org>
Cc: Mark Brown <broonie@...nel.org>
Cc: Liam Girdwood <lgirdwood@...il.com>
Cc: Peter Ujfalusi <peter.ujfalusi@...com>
Cc: Jarkko Nikula <jarkko.nikula@...mer.com>
Cc: linux-omap@...r.kernel.org
Cc: alsa-devel@...a-project.org
---
 sound/soc/omap/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index 2796af9..d44463a 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -37,7 +37,7 @@ config SND_OMAP_SOC_RX51
 
 config SND_OMAP_SOC_AMS_DELTA
 	tristate "SoC Audio support for Amstrad E3 (Delta) videophone"
-	depends on SND_OMAP_SOC && MACH_AMS_DELTA
+	depends on SND_OMAP_SOC && MACH_AMS_DELTA && TTY
 	select SND_OMAP_SOC_MCBSP
 	select SND_SOC_CX20442
 	help
-- 
1.7.9.5

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