[ALSA] Remove unneeded read/write_size fields in proc text ops

[linux-2.6] / sound / core / init.c

diff --git a/sound/core/init.c b/sound/core/init.c
index ad68761abba1a86eb9dd9fa16d0c495ecb428d84..2ff0e5e90865c70e4bce751f03c59b02e2d8ccc0 100644 (file)
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -40,10 +40,13 @@ struct snd_shutdown_f_ops {
 
 unsigned int snd_cards_lock = 0;       /* locked for registering/using */
 struct snd_card *snd_cards[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = NULL};
+EXPORT_SYMBOL(snd_cards);
+
 DEFINE_RWLOCK(snd_card_rwlock);
 
 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
 int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int free_flag);
+EXPORT_SYMBOL(snd_mixer_oss_notify_callback);
 #endif
 
 #ifdef CONFIG_PROC_FS
@@ -66,7 +69,6 @@ static inline int init_info_for_card(struct snd_card *card)
                snd_printd("unable to create card entry\n");
                return err;
        }
-       entry->c.text.read_size = PAGE_SIZE;
        entry->c.text.read = snd_card_id_read;
        if (snd_info_register(entry) < 0) {
                snd_info_free_entry(entry);
@@ -169,6 +171,8 @@ struct snd_card *snd_card_new(int idx, const char *xid,
        return NULL;
 }
 
+EXPORT_SYMBOL(snd_card_new);
+
 static loff_t snd_disconnect_llseek(struct file *file, loff_t offset, int orig)
 {
        return -ENODEV;
@@ -223,7 +227,8 @@ int snd_card_disconnect(struct snd_card *card)
        struct snd_monitor_file *mfile;
        struct file *file;
        struct snd_shutdown_f_ops *s_f_ops;
-       struct file_operations *f_ops, *old_f_ops;
+       struct file_operations *f_ops;
+       const struct file_operations *old_f_ops;
        int err;
 
        spin_lock(&card->files_lock);
@@ -297,6 +302,8 @@ int snd_card_disconnect(struct snd_card *card)
        return 0;       
 }
 
+EXPORT_SYMBOL(snd_card_disconnect);
+
 /**
  *  snd_card_free - frees given soundcard structure
  *  @card: soundcard structure
@@ -359,6 +366,8 @@ int snd_card_free(struct snd_card *card)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_card_free);
+
 static void snd_card_free_thread(void * __card)
 {
        struct snd_card *card = __card;
@@ -404,6 +413,8 @@ int snd_card_free_in_thread(struct snd_card *card)
        return -EFAULT;
 }
 
+EXPORT_SYMBOL(snd_card_free_in_thread);
+
 static void choose_default_id(struct snd_card *card)
 {
        int i, len, idx_flag = 0, loops = SNDRV_CARDS;
@@ -504,6 +515,8 @@ int snd_card_register(struct snd_card *card)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_card_register);
+
 #ifdef CONFIG_PROC_FS
 static struct snd_info_entry *snd_card_info_entry = NULL;
 
@@ -578,7 +591,6 @@ int __init snd_card_info_init(void)
        entry = snd_info_create_module_entry(THIS_MODULE, "cards", NULL);
        if (! entry)
                return -ENOMEM;
-       entry->c.text.read_size = PAGE_SIZE;
        entry->c.text.read = snd_card_info_read;
        if (snd_info_register(entry) < 0) {
                snd_info_free_entry(entry);
@@ -589,7 +601,6 @@ int __init snd_card_info_init(void)
 #ifdef MODULE
        entry = snd_info_create_module_entry(THIS_MODULE, "modules", NULL);
        if (entry) {
-               entry->c.text.read_size = PAGE_SIZE;
                entry->c.text.read = snd_card_module_info_read;
                if (snd_info_register(entry) < 0)
                        snd_info_free_entry(entry);
@@ -643,6 +654,8 @@ int snd_component_add(struct snd_card *card, const char *component)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_component_add);
+
 /**
  *  snd_card_file_add - add the file to the file list of the card
  *  @card: soundcard structure
@@ -675,6 +688,8 @@ int snd_card_file_add(struct snd_card *card, struct file *file)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_card_file_add);
+
 /**
  *  snd_card_file_remove - remove the file from the file list
  *  @card: soundcard structure
@@ -716,18 +731,19 @@ int snd_card_file_remove(struct snd_card *card, struct file *file)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_card_file_remove);
+
 #ifdef CONFIG_PM
 /**
  *  snd_power_wait - wait until the power-state is changed.
  *  @card: soundcard structure
  *  @power_state: expected power state
- *  @file: file structure for the O_NONBLOCK check (optional)
  *
  *  Waits until the power-state is changed.
  *
  *  Note: the power lock must be active before call.
  */
-int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file)
+int snd_power_wait(struct snd_card *card, unsigned int power_state)
 {
        wait_queue_t wait;
        int result = 0;
@@ -744,12 +760,6 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file
                }
                if (snd_power_get_state(card) == power_state)
                        break;
-#if 0 /* block all devices */
-               if (file && (file->f_flags & O_NONBLOCK)) {
-                       result = -EAGAIN;
-                       break;
-               }
-#endif
                set_current_state(TASK_UNINTERRUPTIBLE);
                snd_power_unlock(card);
                schedule_timeout(30 * HZ);
@@ -759,4 +769,5 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file
        return result;
 }
 
+EXPORT_SYMBOL(snd_power_wait);
 #endif /* CONFIG_PM */