[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, 6 insertions, 0 deletions

diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index 29c9fa4964b2..74a644880074 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -97,6 +97,8 @@ struct oxygen_model {
         int (*control_filter)(struct snd_kcontrol_new *template);
         int (*mixer_init)(struct oxygen *chip);
         void (*cleanup)(struct oxygen *chip);
+        void (*suspend)(struct oxygen *chip);
+        void (*resume)(struct oxygen *chip);
         void (*pcm_hardware_filter)(unsigned int channel,
                                     struct snd_pcm_hardware *hardware);
         void (*set_dac_params)(struct oxygen *chip,
@@ -125,6 +127,10 @@ struct oxygen_model {
 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
                      const struct oxygen_model *model);
 void oxygen_pci_remove(struct pci_dev *pci);
+#ifdef CONFIG_PM
+int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
+int oxygen_pci_resume(struct pci_dev *pci);
+#endif
 
 /* oxygen_mixer.c */