ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c
index c05f71803aa8..03fac6a0f805 100644
--- a/sound/soc/codecs/wm8988.c
+++ b/sound/soc/codecs/wm8988.c
@@ -981,6 +981,21 @@ static int wm8988_i2c_remove(struct i2c_client *client)
         return 0;
 }
 
+#ifdef CONFIG_PM
+static int wm8988_i2c_suspend(struct i2c_client *client, pm_message_t msg)
+{
+        return snd_soc_suspend_device(&client->dev);
+}
+
+static int wm8988_i2c_resume(struct i2c_client *client)
+{
+        return snd_soc_resume_device(&client->dev);
+}
+#else
+#define wm8988_i2c_suspend NULL
+#define wm8988_i2c_resume NULL
+#endif
+
 static const struct i2c_device_id wm8988_i2c_id[] = {
         { "wm8988", 0 },
         { }
@@ -994,6 +1009,8 @@ static struct i2c_driver wm8988_i2c_driver = {
         },
         .probe = wm8988_i2c_probe,
         .remove = wm8988_i2c_remove,
+        .suspend = wm8988_i2c_suspend,
+        .resume = wm8988_i2c_resume,
         .id_table = wm8988_i2c_id,
 };
 #endif
@@ -1051,6 +1068,21 @@ static int __devexit wm8988_spi_remove(struct spi_device *spi)
         return 0;
 }
 
+#ifdef CONFIG_PM
+static int wm8988_spi_suspend(struct spi_device *spi, pm_message_t msg)
+{
+        return snd_soc_suspend_device(&spi->dev);
+}
+
+static int wm8988_spi_resume(struct spi_device *spi)
+{
+        return snd_soc_resume_device(&spi->dev);
+}
+#else
+#define wm8988_spi_suspend NULL
+#define wm8988_spi_resume NULL
+#endif
+
 static struct spi_driver wm8988_spi_driver = {
         .driver = {
                 .name   = "wm8988",
@@ -1059,6 +1091,8 @@ static struct spi_driver wm8988_spi_driver = {
         },
         .probe          = wm8988_spi_probe,
         .remove         = __devexit_p(wm8988_spi_remove),
+        .suspend        = wm8988_spi_suspend,
+        .resume         = wm8988_spi_resume,
 };
 #endif