[ALSA] allow registering an alsa device with struct device pointer

This patch adds snd_register_device_for_dev taking a struct device
pointer to link the new device to and makes snd_register_device a simple
static inline wrapper around it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 8 insertions, 7 deletions

diff --git a/sound/core/sound.c b/sound/core/sound.c
index 82a61c67cf3..4084de06412 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -219,26 +219,27 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
 #endif
 
 /**
- * snd_register_device - Register the ALSA device file for the card
+ * snd_register_device_for_dev - Register the ALSA device file for the card
  * @type: the device type, SNDRV_DEVICE_TYPE_XXX
  * @card: the card instance
  * @dev: the device index
  * @f_ops: the file operations
  * @private_data: user pointer for f_ops->open()
  * @name: the device file name
+ * @device: the &struct device to link this new device to
  *
  * Registers an ALSA device file for the given card.
  * The operators have to be set in reg parameter.
  *
- * Retrurns zero if successful, or a negative error code on failure.
+ * Returns zero if successful, or a negative error code on failure.
  */
-int snd_register_device(int type, struct snd_card *card, int dev,
-                        const struct file_operations *f_ops, void *private_data,
-                        const char *name)
+int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
+                                const struct file_operations *f_ops,
+                                void *private_data,
+                                const char *name, struct device *device)
 {
         int minor;
         struct snd_minor *preg;
-        struct device *device = snd_card_get_device_link(card);
 
         snd_assert(name, return -EINVAL);
         preg = kmalloc(sizeof *preg, GFP_KERNEL);
@@ -272,7 +273,7 @@ int snd_register_device(int type, struct snd_card *card, int dev,
         return 0;
 }
 
-EXPORT_SYMBOL(snd_register_device);
+EXPORT_SYMBOL(snd_register_device_for_dev);
 
 /* find the matching minor record
  * return the index of snd_minor, or -1 if not found