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Diffstat (limited to 'sound/soc/codecs/cs4270.c')
-rw-r--r--sound/soc/codecs/cs4270.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index a32b8226c8a4..ca1e24a8f12a 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -806,15 +806,30 @@ static int cs4270_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
{
struct cs4270_private *cs4270 = i2c_get_clientdata(client);
struct snd_soc_codec *codec = &cs4270->codec;
- int reg = snd_soc_read(codec, CS4270_PWRCTL) | CS4270_PWRCTL_PDN_ALL;
- return snd_soc_write(codec, CS4270_PWRCTL, reg);
+ return snd_soc_suspend_device(codec->dev);
}
static int cs4270_i2c_resume(struct i2c_client *client)
{
struct cs4270_private *cs4270 = i2c_get_clientdata(client);
struct snd_soc_codec *codec = &cs4270->codec;
+
+ return snd_soc_resume_device(codec->dev);
+}
+
+static int cs4270_soc_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+ struct snd_soc_codec *codec = cs4270_codec;
+ int reg = snd_soc_read(codec, CS4270_PWRCTL) | CS4270_PWRCTL_PDN_ALL;
+
+ return snd_soc_write(codec, CS4270_PWRCTL, reg);
+}
+
+static int cs4270_soc_resume(struct platform_device *pdev)
+{
+ struct snd_soc_codec *codec = cs4270_codec;
+ struct i2c_client *i2c_client = codec->control_data;
int reg;
/* In case the device was put to hard reset during sleep, we need to
@@ -825,7 +840,7 @@ static int cs4270_i2c_resume(struct i2c_client *client)
for (reg = CS4270_FIRSTREG; reg <= CS4270_LASTREG; reg++) {
u8 val = snd_soc_read(codec, reg);
- if (i2c_smbus_write_byte_data(client, reg, val)) {
+ if (i2c_smbus_write_byte_data(i2c_client, reg, val)) {
dev_err(codec->dev, "i2c write failed\n");
return -EIO;
}
@@ -840,6 +855,8 @@ static int cs4270_i2c_resume(struct i2c_client *client)
#else
#define cs4270_i2c_suspend NULL
#define cs4270_i2c_resume NULL
+#define cs4270_soc_suspend NULL
+#define cs4270_soc_resume NULL
#endif /* CONFIG_PM */
/*
@@ -868,7 +885,9 @@ static struct i2c_driver cs4270_i2c_driver = {
*/
struct snd_soc_codec_device soc_codec_device_cs4270 = {
.probe = cs4270_probe,
- .remove = cs4270_remove
+ .remove = cs4270_remove,
+ .suspend = cs4270_soc_suspend,
+ .resume = cs4270_soc_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_device_cs4270);