linux-kernel - [PATCH 4.9 28/51] ASoC: mediatek: add I2C dependency for CS42XX8

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Message-Id: <20171019134843.078838831@linuxfoundation.org>
Date:   Thu, 19 Oct 2017 15:48:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 28/51] ASoC: mediatek: add I2C dependency for CS42XX8

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

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


[ Upstream commit 72cedf599fcebfd6cd2550274d7855838068d28c ]

We should not select drivers that depend on I2C when that is disabled,
as it results in a build error:

warning: (SND_SOC_MT2701_CS42448) selects SND_SOC_CS42XX8_I2C which has unmet direct dependencies (SOUND && !M68K && !UML && SND && SND_SOC && I2C)
sound/soc/codecs/cs42xx8-i2c.c:60:1: warning: data definition has no type or storage class
 module_i2c_driver(cs42xx8_i2c_driver);
sound/soc/codecs/cs42xx8-i2c.c:60:1: error: type defaults to 'int' in declaration of 'module_i2c_driver' [-Werror=implicit-int]

Fixes: 1f458d53f76c ("ASoC: mediatek: Add mt2701-cs42448 driver and config option.")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 sound/soc/mediatek/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -13,7 +13,7 @@ config SND_SOC_MT2701
 
 config SND_SOC_MT2701_CS42448
 	tristate "ASoc Audio driver for MT2701 with CS42448 codec"
-	depends on SND_SOC_MT2701
+	depends on SND_SOC_MT2701 && I2C
 	select SND_SOC_CS42XX8_I2C
 	select SND_SOC_BT_SCO
 	help