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ASoC: cs4341: fix waring unused-function

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The driver cs4341 can be built with SPI and/or I2C, but it has to be one
of them at least. When I2C is set as a module we see the warning below:

sound/soc/codecs/cs4341.c:213:12: warning: ‘cs4341_probe’
defined but not used [-Wunused-function]
 static int cs4341_probe(struct device *dev)
            ^~~~~~~~~~~~

Rework so that we use IS_ENABLED instead of defined. Also change so
SND_SOC_CS4341 depends on SND_SOC_I2C_AND_SPI to we dont' get a link
error when SND_SOC_CS4341=y, I2C=m and REGMAP_I2C=m is set.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Anders Roxell 2019-01-14 10:55:40 +01:00 committed by Mark Brown
parent f833fe2056
commit 3e8c45f57a
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2 changed files with 4 additions and 4 deletions
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2
sound/soc/codecs/Kconfig
View File

@ -546,7 +546,7 @@ config SND_SOC_CS43130
config SND_SOC_CS4341
tristate "Cirrus Logic CS4341 CODEC"
depends on I2C || SPI_MASTER
depends on SND_SOC_I2C_AND_SPI
select REGMAP_I2C if I2C
select REGMAP_SPI if SPI_MASTER

6
sound/soc/codecs/cs4341.c
View File

@ -223,7 +223,7 @@ static int cs4341_probe(struct device *dev)
&cs4341_dai, 1);
}
#if defined(CONFIG_I2C)
#if IS_ENABLED(CONFIG_I2C)
static int cs4341_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@ -317,7 +317,7 @@ static int __init cs4341_init(void)
{
int ret = 0;
#if defined(CONFIG_I2C)
#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&cs4341_i2c_driver);
if (ret)
return ret;
@ -332,7 +332,7 @@ module_init(cs4341_init);
static void __exit cs4341_exit(void)
{
#if defined(CONFIG_I2C)
#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&cs4341_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)