diff options
| -rw-r--r-- | include/linux/sound.h | 2 | ||||
| -rw-r--r-- | sound/core/sound_oss.c | 7 | ||||
| -rw-r--r-- | sound/sound_core.c | 27 |
3 files changed, 25 insertions, 11 deletions
diff --git a/include/linux/sound.h b/include/linux/sound.h index 428f59794f4..72b9af4c3fd 100644 --- a/include/linux/sound.h +++ b/include/linux/sound.h @@ -29,7 +29,9 @@ * Sound core interface functions */ +struct device; extern int register_sound_special(struct file_operations *fops, int unit); +extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev); extern int register_sound_mixer(struct file_operations *fops, int dev); extern int register_sound_midi(struct file_operations *fops, int dev); extern int register_sound_dsp(struct file_operations *fops, int dev); diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c index de39d212bc1..e401c670329 100644 --- a/sound/core/sound_oss.c +++ b/sound/core/sound_oss.c @@ -98,6 +98,7 @@ int snd_register_oss_device(int type, snd_card_t * card, int dev, snd_minor_t * int cidx = SNDRV_MINOR_OSS_CARD(minor); int track2 = -1; int register1 = -1, register2 = -1; + struct device *carddev = NULL; if (minor < 0) return minor; @@ -121,11 +122,13 @@ int snd_register_oss_device(int type, snd_card_t * card, int dev, snd_minor_t * track2 = SNDRV_MINOR_OSS(cidx, SNDRV_MINOR_OSS_DMMIDI1); break; } - register1 = register_sound_special(reg->f_ops, minor); + if (card) + carddev = card->dev; + register1 = register_sound_special_device(reg->f_ops, minor, carddev); if (register1 != minor) goto __end; if (track2 >= 0) { - register2 = register_sound_special(reg->f_ops, track2); + register2 = register_sound_special_device(reg->f_ops, track2, carddev); if (register2 != track2) goto __end; } diff --git a/sound/sound_core.c b/sound/sound_core.c index 21a69e09622..954f994592a 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -153,7 +153,7 @@ static DEFINE_SPINLOCK(sound_loader_lock); * list. Acquires locks as needed */ -static int sound_insert_unit(struct sound_unit **list, struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode) +static int sound_insert_unit(struct sound_unit **list, struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev) { struct sound_unit *s = kmalloc(sizeof(*s), GFP_KERNEL); int r; @@ -175,7 +175,7 @@ static int sound_insert_unit(struct sound_unit **list, struct file_operations *f devfs_mk_cdev(MKDEV(SOUND_MAJOR, s->unit_minor), S_IFCHR | mode, s->name); class_device_create(sound_class, MKDEV(SOUND_MAJOR, s->unit_minor), - NULL, s->name+6); + dev, s->name+6); return r; fail: @@ -227,16 +227,18 @@ static void sound_remove_unit(struct sound_unit **list, int unit) static struct sound_unit *chains[SOUND_STEP]; /** - * register_sound_special - register a special sound node + * register_sound_special_device - register a special sound node * @fops: File operations for the driver * @unit: Unit number to allocate + * @dev: device pointer * * Allocate a special sound device by minor number from the sound * subsystem. The allocated number is returned on succes. On failure * a negative error code is returned. */ -int register_sound_special(struct file_operations *fops, int unit) +int register_sound_special_device(struct file_operations *fops, int unit, + struct device *dev) { const int chain = unit % SOUND_STEP; int max_unit = 128 + chain; @@ -294,9 +296,16 @@ int register_sound_special(struct file_operations *fops, int unit) break; } return sound_insert_unit(&chains[chain], fops, -1, unit, max_unit, - name, S_IRUSR | S_IWUSR); + name, S_IRUSR | S_IWUSR, dev); } +EXPORT_SYMBOL(register_sound_special_device); + +int register_sound_special(struct file_operations *fops, int unit) +{ + return register_sound_special_device(fops, unit, NULL); +} + EXPORT_SYMBOL(register_sound_special); /** @@ -312,7 +321,7 @@ EXPORT_SYMBOL(register_sound_special); int register_sound_mixer(struct file_operations *fops, int dev) { return sound_insert_unit(&chains[0], fops, dev, 0, 128, - "mixer", S_IRUSR | S_IWUSR); + "mixer", S_IRUSR | S_IWUSR, NULL); } EXPORT_SYMBOL(register_sound_mixer); @@ -330,7 +339,7 @@ EXPORT_SYMBOL(register_sound_mixer); int register_sound_midi(struct file_operations *fops, int dev) { return sound_insert_unit(&chains[2], fops, dev, 2, 130, - "midi", S_IRUSR | S_IWUSR); + "midi", S_IRUSR | S_IWUSR, NULL); } EXPORT_SYMBOL(register_sound_midi); @@ -356,7 +365,7 @@ EXPORT_SYMBOL(register_sound_midi); int register_sound_dsp(struct file_operations *fops, int dev) { return sound_insert_unit(&chains[3], fops, dev, 3, 131, - "dsp", S_IWUSR | S_IRUSR); + "dsp", S_IWUSR | S_IRUSR, NULL); } EXPORT_SYMBOL(register_sound_dsp); @@ -375,7 +384,7 @@ EXPORT_SYMBOL(register_sound_dsp); int register_sound_synth(struct file_operations *fops, int dev) { return sound_insert_unit(&chains[9], fops, dev, 9, 137, - "synth", S_IRUSR | S_IWUSR); + "synth", S_IRUSR | S_IWUSR, NULL); } EXPORT_SYMBOL(register_sound_synth); |