[ALSA] oxygen: add PM support

Add suspend/resume support.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 12 insertions, 0 deletions

diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 800ae304a247..7c8ae31eb468 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -192,6 +192,12 @@ static void generic_cleanup(struct oxygen *chip)
 {
 }
 
+static void generic_resume(struct oxygen *chip)
+{
+        ak4396_registers_init(chip);
+        wm8785_registers_init(chip);
+}
+
 static void set_ak4396_params(struct oxygen *chip,
                               struct snd_pcm_hw_params *params)
 {
@@ -278,6 +284,7 @@ static const struct oxygen_model model_generic = {
         .owner = THIS_MODULE,
         .init = generic_init,
         .cleanup = generic_cleanup,
+        .resume = generic_resume,
         .set_dac_params = set_ak4396_params,
         .set_adc_params = set_wm8785_params,
         .update_dac_volume = update_ak4396_volume,
@@ -305,6 +312,7 @@ static const struct oxygen_model model_meridian = {
         .owner = THIS_MODULE,
         .init = meridian_init,
         .cleanup = generic_cleanup,
+        .resume = ak4396_registers_init,
         .set_dac_params = set_ak4396_params,
         .set_adc_params = set_ak5385_params,
         .update_dac_volume = update_ak4396_volume,
@@ -353,6 +361,10 @@ static struct pci_driver oxygen_driver = {
         .id_table = oxygen_ids,
         .probe = generic_oxygen_probe,
         .remove = __devexit_p(oxygen_pci_remove),
+#ifdef CONFIG_PM
+        .suspend = oxygen_pci_suspend,
+        .resume = oxygen_pci_resume,
+#endif
 };
 
 static int __init alsa_card_oxygen_init(void)