ALSA: seq: Handle the device directly

Like the previous change for the timer device, this patch changes the
device management for the ALSA sequencer device using the struct
device directly.

Reviewed-by: Jaroslav Kysela <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>

Author: tiwai

sound/core/seq/seq_clientmgr.c

@@ -2571,19 +2571,27 @@ static const struct file_operations snd_seq_f_ops =
 	.compat_ioctl =	snd_seq_ioctl_compat,
 };
 
+static struct device seq_dev;
+
 /* 
  * register sequencer device 
  */
 int __init snd_sequencer_device_init(void)
 {
 	int err;
 
+	snd_device_initialize(&seq_dev, NULL);
+	dev_set_name(&seq_dev, "seq");
+
 	if (mutex_lock_interruptible(&register_mutex))
 		return -ERESTARTSYS;
 
-	if ((err = snd_register_device(SNDRV_DEVICE_TYPE_SEQUENCER, NULL, 0,
-				       &snd_seq_f_ops, NULL, "seq")) < 0) {
+	err = snd_register_device_for_dev(SNDRV_DEVICE_TYPE_SEQUENCER, NULL, 0,
+					  &snd_seq_f_ops, NULL,
+					  &seq_dev, NULL, NULL);
+	if (err < 0) {
 		mutex_unlock(&register_mutex);
+		put_device(&seq_dev);
 		return err;
 	}
 
@@ -2600,4 +2608,5 @@ int __init snd_sequencer_device_init(void)
 void __exit snd_sequencer_device_done(void)
 {
 	snd_unregister_device(SNDRV_DEVICE_TYPE_SEQUENCER, NULL, 0);
+	put_device(&seq_dev);
 }