ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers

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

1 files changed, 17 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 3ebd770463e3..6239af8fdf71 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1731,6 +1731,21 @@ static __devexit int wm8903_i2c_remove(struct i2c_client *client)
         return 0;
 }
 
+#ifdef CONFIG_PM
+static int wm8903_i2c_suspend(struct i2c_client *client, pm_message_t msg)
+{
+        return snd_soc_suspend_device(&client->dev);
+}
+
+static int wm8903_i2c_resume(struct i2c_client *client)
+{
+        return snd_soc_resume_device(&client->dev);
+}
+#else
+#define wm8903_i2c_suspend NULL
+#define wm8903_i2c_resume NULL
+#endif
+
 /* i2c codec control layer */
 static const struct i2c_device_id wm8903_i2c_id[] = {
        { "wm8903", 0 },
@@ -1745,6 +1760,8 @@ static struct i2c_driver wm8903_i2c_driver = {
         },
         .probe    = wm8903_i2c_probe,
         .remove   = __devexit_p(wm8903_i2c_remove),
+        .suspend  = wm8903_i2c_suspend,
+        .resume   = wm8903_i2c_resume,
         .id_table = wm8903_i2c_id,
 };