1 files changed, 0 insertions, 491 deletions

diff --git a/ANDROID_3.4.5/sound/core/sound.c b/ANDROID_3.4.5/sound/core/sound.c
deleted file mode 100644
index 3700d96f..00000000
--- a/ANDROID_3.4.5/sound/core/sound.c
+++ /dev/null
@@ -1,491 +0,0 @@
-/*
- *  Advanced Linux Sound Architecture
- *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
- *
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/time.h>
-#include <linux/device.h>
-#include <linux/module.h>
-#include <sound/core.h>
-#include <sound/minors.h>
-#include <sound/info.h>
-#include <sound/version.h>
-#include <sound/control.h>
-#include <sound/initval.h>
-#include <linux/kmod.h>
-#include <linux/mutex.h>
-
-static int major = CONFIG_SND_MAJOR;
-int snd_major;
-EXPORT_SYMBOL(snd_major);
-
-static int cards_limit = 1;
-
-MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
-MODULE_DESCRIPTION("Advanced Linux Sound Architecture driver for soundcards.");
-MODULE_LICENSE("GPL");
-module_param(major, int, 0444);
-MODULE_PARM_DESC(major, "Major # for sound driver.");
-module_param(cards_limit, int, 0444);
-MODULE_PARM_DESC(cards_limit, "Count of auto-loadable soundcards.");
-MODULE_ALIAS_CHARDEV_MAJOR(CONFIG_SND_MAJOR);
-
-/* this one holds the actual max. card number currently available.
- * as default, it's identical with cards_limit option.  when more
- * modules are loaded manually, this limit number increases, too.
- */
-int snd_ecards_limit;
-EXPORT_SYMBOL(snd_ecards_limit);
-
-static struct snd_minor *snd_minors[SNDRV_OS_MINORS];
-static DEFINE_MUTEX(sound_mutex);
-
-#ifdef CONFIG_MODULES
-
-/**
- * snd_request_card - try to load the card module
- * @card: the card number
- *
- * Tries to load the module "snd-card-X" for the given card number
- * via request_module.  Returns immediately if already loaded.
- */
-void snd_request_card(int card)
-{
-	if (snd_card_locked(card))
-		return;
-	if (card < 0 || card >= cards_limit)
-		return;
-	request_module("snd-card-%i", card);
-}
-
-EXPORT_SYMBOL(snd_request_card);
-
-static void snd_request_other(int minor)
-{
-	char *str;
-
-	switch (minor) {
-	case SNDRV_MINOR_SEQUENCER:	str = "snd-seq";	break;
-	case SNDRV_MINOR_TIMER:		str = "snd-timer";	break;
-	default:			return;
-	}
-	request_module(str);
-}
-
-#endif	/* modular kernel */
-
-/**
- * snd_lookup_minor_data - get user data of a registered device
- * @minor: the minor number
- * @type: device type (SNDRV_DEVICE_TYPE_XXX)
- *
- * Checks that a minor device with the specified type is registered, and returns
- * its user data pointer.
- *
- * This function increments the reference counter of the card instance
- * if an associated instance with the given minor number and type is found.
- * The caller must call snd_card_unref() appropriately later.
- */
-void *snd_lookup_minor_data(unsigned int minor, int type)
-{
-	struct snd_minor *mreg;
-	void *private_data;
-
-	if (minor >= ARRAY_SIZE(snd_minors))
-		return NULL;
-	mutex_lock(&sound_mutex);
-	mreg = snd_minors[minor];
-	if (mreg && mreg->type == type) {
-		private_data = mreg->private_data;
-		if (private_data && mreg->card_ptr)
-			atomic_inc(&mreg->card_ptr->refcount);
-	} else
-		private_data = NULL;
-	mutex_unlock(&sound_mutex);
-	return private_data;
-}
-
-EXPORT_SYMBOL(snd_lookup_minor_data);
-
-#ifdef CONFIG_MODULES
-static struct snd_minor *autoload_device(unsigned int minor)
-{
-	int dev;
-	mutex_unlock(&sound_mutex); /* release lock temporarily */
-	dev = SNDRV_MINOR_DEVICE(minor);
-	if (dev == SNDRV_MINOR_CONTROL) {
-		/* /dev/aloadC? */
-		int card = SNDRV_MINOR_CARD(minor);
-		if (snd_cards[card] == NULL)
-			snd_request_card(card);
-	} else if (dev == SNDRV_MINOR_GLOBAL) {
-		/* /dev/aloadSEQ */
-		snd_request_other(minor);
-	}
-	mutex_lock(&sound_mutex); /* reacuire lock */
-	return snd_minors[minor];
-}
-#else /* !CONFIG_MODULES */
-#define autoload_device(minor)	NULL
-#endif /* CONFIG_MODULES */
-
-static int snd_open(struct inode *inode, struct file *file)
-{
-	unsigned int minor = iminor(inode);
-	struct snd_minor *mptr = NULL;
-	const struct file_operations *old_fops;
-	int err = 0;
-
-	if (minor >= ARRAY_SIZE(snd_minors))
-		return -ENODEV;
-	mutex_lock(&sound_mutex);
-	mptr = snd_minors[minor];
-	if (mptr == NULL) {
-		mptr = autoload_device(minor);
-		if (!mptr) {
-			mutex_unlock(&sound_mutex);
-			return -ENODEV;
-		}
-	}
-	old_fops = file->f_op;
-	file->f_op = fops_get(mptr->f_ops);
-	if (file->f_op == NULL) {
-		file->f_op = old_fops;
-		err = -ENODEV;
-	}
-	mutex_unlock(&sound_mutex);
-	if (err < 0)
-		return err;
-
-	if (file->f_op->open) {
-		err = file->f_op->open(inode, file);
-		if (err) {
-			fops_put(file->f_op);
-			file->f_op = fops_get(old_fops);
-		}
-	}
-	fops_put(old_fops);
-	return err;
-}
-
-static const struct file_operations snd_fops =
-{
-	.owner =	THIS_MODULE,
-	.open =		snd_open,
-	.llseek =	noop_llseek,
-};
-
-#ifdef CONFIG_SND_DYNAMIC_MINORS
-static int snd_find_free_minor(int type)
-{
-	int minor;
-
-	/* static minors for module auto loading */
-	if (type == SNDRV_DEVICE_TYPE_SEQUENCER)
-		return SNDRV_MINOR_SEQUENCER;
-	if (type == SNDRV_DEVICE_TYPE_TIMER)
-		return SNDRV_MINOR_TIMER;
-
-	for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor) {
-		/* skip static minors still used for module auto loading */
-		if (SNDRV_MINOR_DEVICE(minor) == SNDRV_MINOR_CONTROL)
-			continue;
-		if (minor == SNDRV_MINOR_SEQUENCER ||
-		    minor == SNDRV_MINOR_TIMER)
-			continue;
-		if (!snd_minors[minor])
-			return minor;
-	}
-	return -EBUSY;
-}
-#else
-static int snd_kernel_minor(int type, struct snd_card *card, int dev)
-{
-	int minor;
-
-	switch (type) {
-	case SNDRV_DEVICE_TYPE_SEQUENCER:
-	case SNDRV_DEVICE_TYPE_TIMER:
-		minor = type;
-		break;
-	case SNDRV_DEVICE_TYPE_CONTROL:
-		if (snd_BUG_ON(!card))
-			return -EINVAL;
-		minor = SNDRV_MINOR(card->number, type);
-		break;
-	case SNDRV_DEVICE_TYPE_HWDEP:
-	case SNDRV_DEVICE_TYPE_RAWMIDI:
-	case SNDRV_DEVICE_TYPE_PCM_PLAYBACK:
-	case SNDRV_DEVICE_TYPE_PCM_CAPTURE:
-	case SNDRV_DEVICE_TYPE_COMPRESS:
-		if (snd_BUG_ON(!card))
-			return -EINVAL;
-		minor = SNDRV_MINOR(card->number, type + dev);
-		break;
-	default:
-		return -EINVAL;
-	}
-	if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OS_MINORS))
-		return -EINVAL;
-	return minor;
-}
-#endif
-
-/**
- * snd_register_device_for_dev - Register the ALSA device file for the card
- * @type: the device type, SNDRV_DEVICE_TYPE_XXX
- * @card: the card instance
- * @dev: the device index
- * @f_ops: the file operations
- * @private_data: user pointer for f_ops->open()
- * @name: the device file name
- * @device: the &struct device to link this new device to
- *
- * Registers an ALSA device file for the given card.
- * The operators have to be set in reg parameter.
- *
- * Returns zero if successful, or a negative error code on failure.
- */
-int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
-				const struct file_operations *f_ops,
-				void *private_data,
-				const char *name, struct device *device)
-{
-	int minor;
-	struct snd_minor *preg;
-
-	if (snd_BUG_ON(!name))
-		return -EINVAL;
-	preg = kmalloc(sizeof *preg, GFP_KERNEL);
-	if (preg == NULL)
-		return -ENOMEM;
-	preg->type = type;
-	preg->card = card ? card->number : -1;
-	preg->device = dev;
-	preg->f_ops = f_ops;
-	preg->private_data = private_data;
-	preg->card_ptr = card;
-	mutex_lock(&sound_mutex);
-#ifdef CONFIG_SND_DYNAMIC_MINORS
-	minor = snd_find_free_minor(type);
-#else
-	minor = snd_kernel_minor(type, card, dev);
-	if (minor >= 0 && snd_minors[minor])
-		minor = -EBUSY;
-#endif
-	if (minor < 0) {
-		mutex_unlock(&sound_mutex);
-		kfree(preg);
-		return minor;
-	}
-	snd_minors[minor] = preg;
-	preg->dev = device_create(sound_class, device, MKDEV(major, minor),
-				  private_data, "%s", name);
-	if (IS_ERR(preg->dev)) {
-		snd_minors[minor] = NULL;
-		mutex_unlock(&sound_mutex);
-		minor = PTR_ERR(preg->dev);
-		kfree(preg);
-		return minor;
-	}
-
-	mutex_unlock(&sound_mutex);
-	return 0;
-}
-
-EXPORT_SYMBOL(snd_register_device_for_dev);
-
-/* find the matching minor record
- * return the index of snd_minor, or -1 if not found
- */
-static int find_snd_minor(int type, struct snd_card *card, int dev)
-{
-	int cardnum, minor;
-	struct snd_minor *mptr;
-
-	cardnum = card ? card->number : -1;
-	for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor)
-		if ((mptr = snd_minors[minor]) != NULL &&
-		    mptr->type == type &&
-		    mptr->card == cardnum &&
-		    mptr->device == dev)
-			return minor;
-	return -1;
-}
-
-/**
- * snd_unregister_device - unregister the device on the given card
- * @type: the device type, SNDRV_DEVICE_TYPE_XXX
- * @card: the card instance
- * @dev: the device index
- *
- * Unregisters the device file already registered via
- * snd_register_device().
- *
- * Returns zero if sucecessful, or a negative error code on failure
- */
-int snd_unregister_device(int type, struct snd_card *card, int dev)
-{
-	int minor;
-
-	mutex_lock(&sound_mutex);
-	minor = find_snd_minor(type, card, dev);
-	if (minor < 0) {
-		mutex_unlock(&sound_mutex);
-		return -EINVAL;
-	}
-
-	device_destroy(sound_class, MKDEV(major, minor));
-
-	kfree(snd_minors[minor]);
-	snd_minors[minor] = NULL;
-	mutex_unlock(&sound_mutex);
-	return 0;
-}
-
-EXPORT_SYMBOL(snd_unregister_device);
-
-int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
-			      struct device_attribute *attr)
-{
-	int minor, ret = -EINVAL;
-	struct device *d;
-
-	mutex_lock(&sound_mutex);
-	minor = find_snd_minor(type, card, dev);
-	if (minor >= 0 && (d = snd_minors[minor]->dev) != NULL)
-		ret = device_create_file(d, attr);
-	mutex_unlock(&sound_mutex);
-	return ret;
-
-}
-
-EXPORT_SYMBOL(snd_add_device_sysfs_file);
-
-#ifdef CONFIG_PROC_FS
-/*
- *  INFO PART
- */
-
-static struct snd_info_entry *snd_minor_info_entry;
-
-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 minor;
-	struct snd_minor *mptr;
-
-	mutex_lock(&sound_mutex);
-	for (minor = 0; minor < SNDRV_OS_MINORS; ++minor) {
-		if (!(mptr = snd_minors[minor]))
-			continue;
-		if (mptr->card >= 0) {
-			if (mptr->device >= 0)
-				snd_iprintf(buffer, "%3i: [%2i-%2i]: %s\n",
-					    minor, mptr->card, mptr->device,
-					    snd_device_type_name(mptr->type));
-			else
-				snd_iprintf(buffer, "%3i: [%2i]   : %s\n",
-					    minor, mptr->card,
-					    snd_device_type_name(mptr->type));
-		} else
-			snd_iprintf(buffer, "%3i:        : %s\n", minor,
-				    snd_device_type_name(mptr->type));
-	}
-	mutex_unlock(&sound_mutex);
-}
-
-int __init snd_minor_info_init(void)
-{
-	struct snd_info_entry *entry;
-
-	entry = snd_info_create_module_entry(THIS_MODULE, "devices", NULL);
-	if (entry) {
-		entry->c.text.read = snd_minor_info_read;
-		if (snd_info_register(entry) < 0) {
-			snd_info_free_entry(entry);
-			entry = NULL;
-		}
-	}
-	snd_minor_info_entry = entry;
-	return 0;
-}
-
-int __exit snd_minor_info_done(void)
-{
-	snd_info_free_entry(snd_minor_info_entry);
-	return 0;
-}
-#endif /* CONFIG_PROC_FS */
-
-/*
- *  INIT PART
- */
-
-static int __init alsa_sound_init(void)
-{
-	snd_major = major;
-	snd_ecards_limit = cards_limit;
-	if (register_chrdev(major, "alsa", &snd_fops)) {
-		snd_printk(KERN_ERR "unable to register native major device number %d\n", major);
-		return -EIO;
-	}
-	if (snd_info_init() < 0) {
-		unregister_chrdev(major, "alsa");
-		return -ENOMEM;
-	}
-	snd_info_minor_register();
-#ifndef MODULE
-	printk(KERN_INFO "Advanced Linux Sound Architecture Driver Version " CONFIG_SND_VERSION CONFIG_SND_DATE ".\n");
-#endif
-	return 0;
-}
-
-static void __exit alsa_sound_exit(void)
-{
-	snd_info_minor_unregister();
-	snd_info_done();
-	unregister_chrdev(major, "alsa");
-}
-
-subsys_initcall(alsa_sound_init);
-module_exit(alsa_sound_exit);