diff options
Diffstat (limited to 'sound/core/sound.c')
| -rw-r--r-- | sound/core/sound.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/sound/core/sound.c b/sound/core/sound.c index fb236a6b9c34..798c24c2de20 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -195,7 +195,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev) * @type: the device type, SNDRV_DEVICE_TYPE_XXX * @card: the card instance * @dev: the device index - * @reg: the struct snd_minor record + * @f_ops: the file operations * @name: the device file name * * Registers an ALSA device file for the given card. @@ -203,7 +203,8 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev) * * Retrurns zero if successful, or a negative error code on failure. */ -int snd_register_device(int type, struct snd_card *card, int dev, struct snd_minor * reg, const char *name) +int snd_register_device(int type, struct snd_card *card, int dev, + struct file_operations *f_ops, const char *name) { int minor = snd_kernel_minor(type, card, dev); struct snd_minor *preg; @@ -212,12 +213,13 @@ int snd_register_device(int type, struct snd_card *card, int dev, struct snd_min if (minor < 0) return minor; snd_assert(name, return -EINVAL); - preg = kmalloc(sizeof(struct snd_minor) + strlen(name) + 1, GFP_KERNEL); + preg = kzalloc(sizeof(struct snd_minor) + strlen(name) + 1, GFP_KERNEL); if (preg == NULL) return -ENOMEM; - *preg = *reg; preg->number = minor; + preg->type = type; preg->device = dev; + preg->f_ops = f_ops; strcpy(preg->name, name); down(&sound_mutex); if (snd_minor_search(minor)) { @@ -276,6 +278,28 @@ int snd_unregister_device(int type, struct snd_card *card, int dev) static struct snd_info_entry *snd_minor_info_entry = NULL; +static const char *snd_device_type_name(int type) +{ + switch (type) { + case SNDRV_DEVICE_TYPE_CONTROL: + return "control"; + case SNDRV_DEVICE_TYPE_HWDEP: + return "hardware dependent"; + case SNDRV_DEVICE_TYPE_RAWMIDI: + return "raw midi"; + case SNDRV_DEVICE_TYPE_PCM_PLAYBACK: + return "digital audio playback"; + case SNDRV_DEVICE_TYPE_PCM_CAPTURE: + return "digital audio capture"; + case SNDRV_DEVICE_TYPE_SEQUENCER: + return "sequencer"; + case SNDRV_DEVICE_TYPE_TIMER: + return "timer"; + default: + return "?"; + } +} + static void snd_minor_info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { int card, device; @@ -288,11 +312,11 @@ static void snd_minor_info_read(struct snd_info_entry *entry, struct snd_info_bu mptr = list_entry(list, struct snd_minor, list); if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_GLOBAL) { if ((device = mptr->device) >= 0) - snd_iprintf(buffer, "%3i: [%i-%2i]: %s\n", mptr->number, card, device, mptr->comment); + snd_iprintf(buffer, "%3i: [%i-%2i]: %s\n", mptr->number, card, device, snd_device_type_name(mptr->type)); else - snd_iprintf(buffer, "%3i: [%i] : %s\n", mptr->number, card, mptr->comment); + snd_iprintf(buffer, "%3i: [%i] : %s\n", mptr->number, card, snd_device_type_name(mptr->type)); } else { - snd_iprintf(buffer, "%3i: : %s\n", mptr->number, mptr->comment); + snd_iprintf(buffer, "%3i: : %s\n", mptr->number, snd_device_type_name(mptr->type)); } } } |