static int __init register_device(void) { int rc; mutex_lock(®ister_mutex); if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0, &seq_oss_f_ops, NULL, SNDRV_SEQ_OSS_DEVNAME)) < 0) { snd_printk(KERN_ERR "can't register device seq\n"); mutex_unlock(®ister_mutex); return rc; } if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC, NULL, 0, &seq_oss_f_ops, NULL, SNDRV_SEQ_OSS_DEVNAME)) < 0) { snd_printk(KERN_ERR "can't register device music\n"); snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0); mutex_unlock(®ister_mutex); return rc; } debug_printk(("device registered\n")); mutex_unlock(®ister_mutex); return 0; }
static int __init register_device(void) { int rc; mutex_lock(®ister_mutex); if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0, &seq_oss_f_ops, NULL)) < 0) { pr_err("ALSA: seq_oss: can't register device seq\n"); mutex_unlock(®ister_mutex); return rc; } if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC, NULL, 0, &seq_oss_f_ops, NULL)) < 0) { pr_err("ALSA: seq_oss: can't register device music\n"); snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0); mutex_unlock(®ister_mutex); return rc; } mutex_unlock(®ister_mutex); return 0; }
static int snd_hwdep_dev_register(struct snd_device *device) { struct snd_hwdep *hwdep = device->device_data; int err; char name[32]; mutex_lock(®ister_mutex); if (snd_hwdep_search(hwdep->card, hwdep->device)) { mutex_unlock(®ister_mutex); return -EBUSY; } list_add_tail(&hwdep->list, &snd_hwdep_devices); sprintf(name, "hwC%iD%i", hwdep->card->number, hwdep->device); if ((err = snd_register_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device, &snd_hwdep_f_ops, hwdep, name)) < 0) { snd_printk(KERN_ERR "unable to register hardware dependent device %i:%i\n", hwdep->card->number, hwdep->device); list_del(&hwdep->list); mutex_unlock(®ister_mutex); return err; } #ifdef CONFIG_SND_OSSEMUL hwdep->ossreg = 0; if (hwdep->oss_type >= 0) { if ((hwdep->oss_type == SNDRV_OSS_DEVICE_TYPE_DMFM) && (hwdep->device != 0)) { snd_printk (KERN_WARNING "only hwdep device 0 can be registered as OSS direct FM device!\n"); } else { if (snd_register_oss_device(hwdep->oss_type, hwdep->card, hwdep->device, &snd_hwdep_f_ops, hwdep, hwdep->oss_dev) < 0) { snd_printk(KERN_ERR "unable to register OSS compatibility device %i:%i\n", hwdep->card->number, hwdep->device); } else hwdep->ossreg = 1; } } #endif mutex_unlock(®ister_mutex); return 0; }
static int snd_hwdep_dev_register(struct snd_device *device) { struct snd_hwdep *hwdep = device->device_data; struct snd_card *card = hwdep->card; int err; mutex_lock(®ister_mutex); if (snd_hwdep_search(card, hwdep->device)) { mutex_unlock(®ister_mutex); return -EBUSY; } list_add_tail(&hwdep->list, &snd_hwdep_devices); err = snd_register_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device, &snd_hwdep_f_ops, hwdep, &hwdep->dev); if (err < 0) { dev_err(&hwdep->dev, "unable to register\n"); list_del(&hwdep->list); mutex_unlock(®ister_mutex); return err; } #ifdef CONFIG_SND_OSSEMUL hwdep->ossreg = 0; if (hwdep->oss_type >= 0) { if (hwdep->oss_type == SNDRV_OSS_DEVICE_TYPE_DMFM && hwdep->device) dev_warn(&hwdep->dev, "only hwdep device 0 can be registered as OSS direct FM device!\n"); else if (snd_register_oss_device(hwdep->oss_type, card, hwdep->device, &snd_hwdep_f_ops, hwdep) < 0) dev_warn(&hwdep->dev, "unable to register OSS compatibility device\n"); else hwdep->ossreg = 1; } #endif mutex_unlock(®ister_mutex); return 0; }