From: "Dr. David Alan Gilbert" <linux@treblig.org>

snd_device_get_state() last use was removed in 2022 by
commit 7e1afce5866e ("ALSA: usb-audio: Inform the delayed registration more
properly")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 include/sound/core.h |  1 -
 sound/core/device.c  | 23 -----------------------
 2 files changed, 24 deletions(-)

diff --git a/include/sound/core.h b/include/sound/core.h
index 1f3f5dccd736..64327e971122 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -326,7 +326,6 @@ void snd_device_disconnect(struct snd_card *card, void *device_data);
 void snd_device_disconnect_all(struct snd_card *card);
 void snd_device_free(struct snd_card *card, void *device_data);
 void snd_device_free_all(struct snd_card *card);
-int snd_device_get_state(struct snd_card *card, void *device_data);
 
 /* isadma.c */
 
diff --git a/sound/core/device.c b/sound/core/device.c
index b57d80a17052..cdc5af526739 100644
--- a/sound/core/device.c
+++ b/sound/core/device.c
@@ -237,26 +237,3 @@ void snd_device_free_all(struct snd_card *card)
 	list_for_each_entry_safe_reverse(dev, next, &card->devices, list)
 		__snd_device_free(dev);
 }
-
-/**
- * snd_device_get_state - Get the current state of the given device
- * @card: the card instance
- * @device_data: the data pointer to release
- *
- * Returns the current state of the given device object.  For the valid
- * device, either @SNDRV_DEV_BUILD, @SNDRV_DEV_REGISTERED or
- * @SNDRV_DEV_DISCONNECTED is returned.
- * Or for a non-existing device, -1 is returned as an error.
- *
- * Return: the current state, or -1 if not found
- */
-int snd_device_get_state(struct snd_card *card, void *device_data)
-{
-	struct snd_device *dev;
-
-	dev = look_for_dev(card, device_data);
-	if (dev)
-		return dev->state;
-	return -1;
-}
-EXPORT_SYMBOL_GPL(snd_device_get_state);
-- 
2.49.0