ALSA: Add a helper to initialize device

Introduce a new helper function snd_device_initialize() to initialize
the device object for sound devices.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/sound/core.h b/include/sound/core.h
index 39d14234961d..de7a878217d7 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -207,6 +207,8 @@ extern struct class *sound_class;
 
 void snd_request_card(int card);
 
+void snd_device_initialize(struct device *dev, struct snd_card *card);
+
 int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
                                 const struct file_operations *f_ops,
                                 void *private_data, struct device *device,