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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-06-13 21:30:18 (GMT)
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-06-13 21:30:18 (GMT)
commitb3b50b3f31775be5d2e441618bbc1c5cbee4d9f1 (patch)
tree22171b96e3138fcea12f9845bc3f26358c7bfa6a /sound/soc/codecs/wm8731.c
parent831dc0f10f7b2a4856094ff160c018bf19f77527 (diff)
downloadlinux-fsl-qoriq-b3b50b3f31775be5d2e441618bbc1c5cbee4d9f1.tar.xz
ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 7a20587..d7f4788 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -460,6 +460,7 @@ struct snd_soc_dai wm8731_dai = {
};
EXPORT_SYMBOL_GPL(wm8731_dai);
+#ifdef CONFIG_PM
static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
@@ -488,6 +489,10 @@ static int wm8731_resume(struct platform_device *pdev)
wm8731_set_bias_level(codec, codec->suspend_bias_level);
return 0;
}
+#else
+#define wm8731_suspend NULL
+#define wm8731_resume NULL
+#endif
static int wm8731_probe(struct platform_device *pdev)
{
@@ -680,6 +685,21 @@ static int __devexit wm8731_spi_remove(struct spi_device *spi)
return 0;
}
+#ifdef CONFIG_PM
+static int wm8731_spi_suspend(struct spi_device *spi, pm_message_t msg)
+{
+ return snd_soc_suspend_device(&spi->dev);
+}
+
+static int wm8731_spi_resume(struct spi_device *spi)
+{
+ return snd_soc_resume_device(&spi->dev);
+}
+#else
+#define wm8731_spi_suspend NULL
+#define wm8731_spi_resume NULL
+#endif
+
static struct spi_driver wm8731_spi_driver = {
.driver = {
.name = "wm8731",
@@ -687,6 +707,8 @@ static struct spi_driver wm8731_spi_driver = {
.owner = THIS_MODULE,
},
.probe = wm8731_spi_probe,
+ .suspend = wm8731_spi_suspend,
+ .resume = wm8731_spi_resume,
.remove = __devexit_p(wm8731_spi_remove),
};
#endif /* CONFIG_SPI_MASTER */
@@ -720,6 +742,21 @@ static __devexit int wm8731_i2c_remove(struct i2c_client *client)
return 0;
}
+#ifdef CONFIG_PM
+static int wm8731_i2c_suspend(struct i2c_client *i2c, pm_message_t msg)
+{
+ return snd_soc_suspend_device(&i2c->dev);
+}
+
+static int wm8731_i2c_resume(struct i2c_client *i2c)
+{
+ return snd_soc_resume_device(&i2c->dev);
+}
+#else
+#define wm8731_i2c_suspend NULL
+#define wm8731_i2c_resume NULL
+#endif
+
static const struct i2c_device_id wm8731_i2c_id[] = {
{ "wm8731", 0 },
{ }
@@ -733,6 +770,8 @@ static struct i2c_driver wm8731_i2c_driver = {
},
.probe = wm8731_i2c_probe,
.remove = __devexit_p(wm8731_i2c_remove),
+ .suspend = wm8731_i2c_suspend,
+ .resume = wm8731_i2c_resume,
.id_table = wm8731_i2c_id,
};
#endif