X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fsound_core.c;h=8f1ced4ab34cb2fbf0dd3143fa882ce916dafac6;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=394b53e20cb8bd36532f23ba14078a67120759f4;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/sound/sound_core.c b/sound/sound_core.c index 394b53e20..8f1ced4ab 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -34,7 +34,6 @@ * locking at some point in 2.3.x. */ -#include #include #include #include @@ -44,7 +43,6 @@ #include #include #include -#include #include #define SOUND_STEP 16 @@ -53,7 +51,7 @@ struct sound_unit { int unit_minor; - struct file_operations *unit_fops; + const struct file_operations *unit_fops; struct sound_unit *next; char name[32]; }; @@ -73,7 +71,7 @@ EXPORT_SYMBOL(sound_class); * join into it. Called with the lock asserted */ -static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, struct file_operations *fops, int index, int low, int top) +static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, const struct file_operations *fops, int index, int low, int top) { int n=low; @@ -153,7 +151,7 @@ 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, struct device *dev) +static int sound_insert_unit(struct sound_unit **list, const 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; @@ -172,10 +170,8 @@ static int sound_insert_unit(struct sound_unit **list, struct file_operations *f else sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP); - devfs_mk_cdev(MKDEV(SOUND_MAJOR, s->unit_minor), - S_IFCHR | mode, s->name); - class_device_create(sound_class, NULL, MKDEV(SOUND_MAJOR, s->unit_minor), - dev, s->name+6); + device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor), + s->name+6); return r; fail: @@ -197,8 +193,7 @@ static void sound_remove_unit(struct sound_unit **list, int unit) p = __sound_remove_unit(list, unit); spin_unlock(&sound_loader_lock); if (p) { - devfs_remove(p->name); - class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor)); + device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor)); kfree(p); } } @@ -237,7 +232,7 @@ static struct sound_unit *chains[SOUND_STEP]; * a negative error code is returned. */ -int register_sound_special_device(struct file_operations *fops, int unit, +int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev) { const int chain = unit % SOUND_STEP; @@ -301,7 +296,7 @@ int register_sound_special_device(struct file_operations *fops, int unit, EXPORT_SYMBOL(register_sound_special_device); -int register_sound_special(struct file_operations *fops, int unit) +int register_sound_special(const struct file_operations *fops, int unit) { return register_sound_special_device(fops, unit, NULL); } @@ -318,7 +313,7 @@ EXPORT_SYMBOL(register_sound_special); * number is returned, on failure a negative error code is returned. */ -int register_sound_mixer(struct file_operations *fops, int dev) +int register_sound_mixer(const struct file_operations *fops, int dev) { return sound_insert_unit(&chains[0], fops, dev, 0, 128, "mixer", S_IRUSR | S_IWUSR, NULL); @@ -336,7 +331,7 @@ EXPORT_SYMBOL(register_sound_mixer); * number is returned, on failure a negative error code is returned. */ -int register_sound_midi(struct file_operations *fops, int dev) +int register_sound_midi(const struct file_operations *fops, int dev) { return sound_insert_unit(&chains[2], fops, dev, 2, 130, "midi", S_IRUSR | S_IWUSR, NULL); @@ -362,7 +357,7 @@ EXPORT_SYMBOL(register_sound_midi); * and will always allocate them as a matching pair - eg dsp3/audio3 */ -int register_sound_dsp(struct file_operations *fops, int dev) +int register_sound_dsp(const struct file_operations *fops, int dev) { return sound_insert_unit(&chains[3], fops, dev, 3, 131, "dsp", S_IWUSR | S_IRUSR, NULL); @@ -370,25 +365,6 @@ int register_sound_dsp(struct file_operations *fops, int dev) EXPORT_SYMBOL(register_sound_dsp); -/** - * register_sound_synth - register a synth device - * @fops: File operations for the driver - * @dev: Unit number to allocate - * - * Allocate a synth device. Unit is the number of the synth device requested. - * Pass -1 to request the next free synth unit. On success the allocated - * number is returned, on failure a negative error code is returned. - */ - - -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, NULL); -} - -EXPORT_SYMBOL(register_sound_synth); - /** * unregister_sound_special - unregister a special sound device * @unit: unit number to allocate @@ -454,21 +430,6 @@ void unregister_sound_dsp(int unit) EXPORT_SYMBOL(unregister_sound_dsp); -/** - * unregister_sound_synth - unregister a synth device - * @unit: unit number to allocate - * - * Release a sound device that was allocated with register_sound_synth(). - * The unit passed is the return value from the register function. - */ - -void unregister_sound_synth(int unit) -{ - return sound_remove_unit(&chains[9], unit); -} - -EXPORT_SYMBOL(unregister_sound_synth); - /* * Now our file operations */ @@ -501,7 +462,7 @@ int soundcore_open(struct inode *inode, struct file *file) int chain; int unit = iminor(inode); struct sound_unit *s; - struct file_operations *new_fops = NULL; + const struct file_operations *new_fops = NULL; chain=unit&0x0F; if(chain==4 || chain==5) /* dsp/audio/dsp16 */ @@ -540,7 +501,7 @@ int soundcore_open(struct inode *inode, struct file *file) * switching ->f_op in the first place. */ int err = 0; - struct file_operations *old_fops = file->f_op; + const struct file_operations *old_fops = file->f_op; file->f_op = new_fops; spin_unlock(&sound_loader_lock); if(file->f_op->open) @@ -556,10 +517,6 @@ int soundcore_open(struct inode *inode, struct file *file) return -ENODEV; } -extern int mod_firmware_load(const char *, char **); -EXPORT_SYMBOL(mod_firmware_load); - - MODULE_DESCRIPTION("Core sound module"); MODULE_AUTHOR("Alan Cox"); MODULE_LICENSE("GPL"); @@ -570,7 +527,6 @@ static void __exit cleanup_soundcore(void) /* We have nothing to really do here - we know the lists must be empty */ unregister_chrdev(SOUND_MAJOR, "sound"); - devfs_remove("sound"); class_destroy(sound_class); } @@ -580,7 +536,6 @@ static int __init init_soundcore(void) printk(KERN_ERR "soundcore: sound device already in use.\n"); return -EBUSY; } - devfs_mk_dir ("sound"); sound_class = class_create(THIS_MODULE, "sound"); if (IS_ERR(sound_class)) return PTR_ERR(sound_class);