[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>
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index b17c405..9680aa3 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -517,6 +517,7 @@
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
 		pausing = 0;
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH: