[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>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 584d57cb393a..472319fcf631 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -162,6 +162,7 @@ struct pnp_card_link {
         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 @@ struct pnp_driver {
         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 @@ struct pnp_card_driver {
         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;
 };