[ALSA] PATCH] Add PM support to PnP drivers

Add suspend/resume callback to pnp_driver and pnp_card_driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 584d57c..472319f 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -162,6 +162,7 @@
 	struct pnp_card * card;
 	struct pnp_card_driver * driver;
 	void * driver_data;
+	pm_message_t pm_state;
 };
 
 static inline void *pnp_get_card_drvdata (struct pnp_card_link *pcard)
@@ -294,6 +295,8 @@
 	unsigned int flags;
 	int  (*probe)  (struct pnp_dev *dev, const struct pnp_device_id *dev_id);
 	void (*remove) (struct pnp_dev *dev);
+	int  (*suspend) (struct pnp_dev *dev, pm_message_t state);
+	int  (*resume) (struct pnp_dev *dev);
 	struct device_driver driver;
 };
 
@@ -306,6 +309,8 @@
 	unsigned int flags;
 	int  (*probe)  (struct pnp_card_link *card, const struct pnp_card_device_id *card_id);
 	void (*remove) (struct pnp_card_link *card);
+	int  (*suspend) (struct pnp_card_link *card, pm_message_t state);
+	int  (*resume) (struct pnp_card_link *card);
 	struct pnp_driver link;
 };