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author | Takashi Iwai <tiwai@suse.de> | 2015-02-03 17:57:16 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2015-02-03 17:57:16 +0100 |
commit | 3fe9cf390f6dc84f76b112b0a660967a84f9a81b (patch) | |
tree | 18b8573687ae8131db155aa791f4d2357d91e6c5 /sound/core/rawmidi.c | |
parent | 6ccd93bdb989507717edb375d40534f1177822c5 (diff) | |
parent | 830953c0724b42be30a74febcde6c89c706ed286 (diff) | |
download | lwn-3fe9cf390f6dc84f76b112b0a660967a84f9a81b.tar.gz lwn-3fe9cf390f6dc84f76b112b0a660967a84f9a81b.zip |
Merge branch 'topic/snd-device' into for-next
Diffstat (limited to 'sound/core/rawmidi.c')
-rw-r--r-- | sound/core/rawmidi.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 6fc71a4c8a51..b5a748596fc4 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -57,11 +57,11 @@ static LIST_HEAD(snd_rawmidi_devices); static DEFINE_MUTEX(register_mutex); #define rmidi_err(rmidi, fmt, args...) \ - dev_err((rmidi)->card->dev, fmt, ##args) + dev_err(&(rmidi)->dev, fmt, ##args) #define rmidi_warn(rmidi, fmt, args...) \ - dev_warn((rmidi)->card->dev, fmt, ##args) + dev_warn(&(rmidi)->dev, fmt, ##args) #define rmidi_dbg(rmidi, fmt, args...) \ - dev_dbg((rmidi)->card->dev, fmt, ##args) + dev_dbg(&(rmidi)->dev, fmt, ##args) static struct snd_rawmidi *snd_rawmidi_search(struct snd_card *card, int device) { @@ -369,7 +369,6 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) struct snd_rawmidi *rmidi; struct snd_rawmidi_file *rawmidi_file = NULL; wait_queue_t wait; - struct snd_ctl_file *kctl; if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK)) return -EINVAL; /* invalid combination */ @@ -413,16 +412,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) init_waitqueue_entry(&wait, current); add_wait_queue(&rmidi->open_wait, &wait); while (1) { - subdevice = -1; - read_lock(&card->ctl_files_rwlock); - list_for_each_entry(kctl, &card->ctl_files, list) { - if (kctl->pid == task_pid(current)) { - subdevice = kctl->prefer_rawmidi_subdevice; - if (subdevice != -1) - break; - } - } - read_unlock(&card->ctl_files_rwlock); + subdevice = snd_ctl_get_preferred_subdevice(card, SND_CTL_SUBDEV_RAWMIDI); err = rawmidi_open_priv(rmidi, subdevice, fflags, rawmidi_file); if (err >= 0) break; @@ -862,7 +852,7 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card, if (get_user(val, (int __user *)argp)) return -EFAULT; - control->prefer_rawmidi_subdevice = val; + control->preferred_subdevice[SND_CTL_SUBDEV_RAWMIDI] = val; return 0; } case SNDRV_CTL_IOCTL_RAWMIDI_INFO: @@ -1453,6 +1443,11 @@ static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi, return 0; } +static void release_rawmidi_device(struct device *dev) +{ + kfree(container_of(dev, struct snd_rawmidi, dev)); +} + /** * snd_rawmidi_new - create a rawmidi instance * @card: the card instance @@ -1497,6 +1492,11 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device, if (id != NULL) strlcpy(rmidi->id, id, sizeof(rmidi->id)); + + snd_device_initialize(&rmidi->dev, card); + rmidi->dev.release = release_rawmidi_device; + dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device); + if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], SNDRV_RAWMIDI_STREAM_INPUT, @@ -1548,7 +1548,7 @@ static int snd_rawmidi_free(struct snd_rawmidi *rmidi) snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]); if (rmidi->private_free) rmidi->private_free(rmidi); - kfree(rmidi); + put_device(&rmidi->dev); return 0; } @@ -1581,19 +1581,18 @@ static int snd_rawmidi_dev_register(struct snd_device *device) return -EBUSY; } list_add_tail(&rmidi->list, &snd_rawmidi_devices); - sprintf(name, "midiC%iD%i", rmidi->card->number, rmidi->device); - if ((err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI, - rmidi->card, rmidi->device, - &snd_rawmidi_f_ops, rmidi, name)) < 0) { - rmidi_err(rmidi, "unable to register rawmidi device %i:%i\n", - rmidi->card->number, rmidi->device); + err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI, + rmidi->card, rmidi->device, + &snd_rawmidi_f_ops, rmidi, &rmidi->dev); + if (err < 0) { + rmidi_err(rmidi, "unable to register\n"); list_del(&rmidi->list); mutex_unlock(®ister_mutex); return err; } if (rmidi->ops && rmidi->ops->dev_register && (err = rmidi->ops->dev_register(rmidi)) < 0) { - snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device); + snd_unregister_device(&rmidi->dev); list_del(&rmidi->list); mutex_unlock(®ister_mutex); return err; @@ -1681,7 +1680,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device) rmidi->ossreg = 0; } #endif /* CONFIG_SND_OSSEMUL */ - snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device); + snd_unregister_device(&rmidi->dev); mutex_unlock(&rmidi->open_mutex); mutex_unlock(®ister_mutex); return 0; |