media: Remove audio_module_driver

* I have not idea what this is for. Seems stuff from a long time ago
when for some reason someone wanted an audio driver implemented in
a kernel module. It is not used anywhere. If someone feels this should
be reverted please let me know and add an explanation.

headers/private/media/audio_module.h

@@ -1,9 +0,0 @@
-#include <module.h>
-
-struct audio_module_info
-{ 
-	module_info module;
-	void (*print_hello)();
-};
-
-typedef struct audio_module_info audio_module_info;

src/add-ons/kernel/drivers/audio/module_driver/Jamfile

@@ -1,8 +0,0 @@
-SubDir HAIKU_TOP src add-ons kernel drivers audio module_driver ;
-
-UsePrivateHeaders libroot media ;
-
-KernelAddon audio_module_driver :
-	audio_module_driver.c
-;
-

src/add-ons/kernel/drivers/audio/module_driver/audio_module_driver.c

@@ -1,204 +0,0 @@
-/*
- * BeOS audio_module_driver
- *
- * Copyright (c) 2003, Marcus Overhagen <[email protected]>
- *
- * All rights reserved.
- * Redistribution only allowed under the terms of the MIT license.
- *
- */
-
-
-#include <KernelExport.h>
-#include <directories.h>
-#include <Drivers.h>
-#include <Errors.h>
-#include <OS.h>
-
-#include <malloc.h>
-#include <fcntl.h>
-#include <image.h>
-
-#include "audio_module.h"
-
-
-int32 api_version = B_CUR_DRIVER_API_VERSION;
-
-#define DRIVER_NAME 	"audio_module_driver"
-
-#define MODULE_TEST_PATH "media/audio/ich"
-
-
-void republish_devices(void);
-
-extern image_id	load_kernel_addon(const char *path);
-extern status_t	unload_kernel_addon(image_id imid);
-
-
-status_t
-init_hardware(void)
-{
-	dprintf("audio_module_driver: init_hardware\n");
-	return B_OK;
-}
-
-
-status_t
-init_driver(void)
-{
-	audio_module_info *audio_module;
-	image_id id;
-	status_t rv;
-	void (*print_hello_world)(void);
-	
-	id = load_kernel_addon(kUserAddonsDirectory "/kernel/media/audio/ich");
-	get_image_symbol(id, "print_hello_world", B_SYMBOL_TYPE_TEXT,
-		(void **) &print_hello_world);
-	print_hello_world();
-	unload_kernel_addon(id);
-	if (rv != B_OK)
-		dprintf("unload_kernel_addon failed\n");
-	
-/*
-	if (B_OK != get_module(MODULE_TEST_PATH, (module_info **)&audio_module)) {
-		dprintf("get_module failed\n");
-		return B_ERROR;
-	}
-
-	dprintf("calling audio_module->print_hello()\n");
-
-	audio_module->print_hello();
-
-	dprintf("done\n");
-
-	if (B_OK != put_module(MODULE_TEST_PATH)) {
-		dprintf("put_module failed\n");
-		return B_ERROR;
-	}
-*/
-	return B_OK;
-}
-
-
-void
-uninit_driver(void)
-{
-	dprintf("audio_module_driver: uninit_driver\n");
-}
-
-
-static status_t
-audio_module_driver_open(const char *name, uint32 flags, void **cookie)
-{
-	dprintf("audio_module_driver: open %s\n", name);
-	return B_OK;
-}
-
-
-static status_t
-audio_module_driver_close(void *cookie)
-{
-	dprintf("audio_module_driver: close\n");
-	return B_OK;
-}
-
-
-static status_t
-audio_module_driver_free(void *cookie)
-{
-	dprintf("audio_module_driver: free\n");
-	return B_OK;
-}
-
-
-static status_t
-audio_module_driver_control(void *cookie, uint32 op, void *arg, size_t len)
-{
-	dprintf("audio_module_driver: control\n");
-	switch (op) {
-		default:
-			return B_ERROR;
-	}
-}
-
-
-static status_t
-audio_module_driver_read(void *cookie, off_t position, void *buf,
-	size_t *num_bytes)
-{
-	*num_bytes = 0;
-	return B_IO_ERROR;
-}
-
-
-static status_t
-audio_module_driver_write(void *cookie, off_t position, const void *buffer,
-	size_t *num_bytes)
-{
-	static int keep_open_fd = -1;
-	if (*num_bytes >= 5 && 0 == memcmp("start", buffer, 5)
-		&& keep_open_fd == -1) {
-		keep_open_fd = open("/dev/audio/audio_module_driver", O_RDWR);
-		return B_OK;
-	}
-	if (*num_bytes >= 4 && 0 == memcmp("stop", buffer, 4)
-		&& keep_open_fd != -1) {
-		close(keep_open_fd);
-		keep_open_fd = -1;
-		return B_OK;
-	}
-	if (*num_bytes >= 6 && 0 == memcmp("rescan", buffer, 6)) {
-		republish_devices();
-		return B_OK;
-	}
-	*num_bytes = 0;
-	return B_IO_ERROR;
-}
-
-
-static const char *ich_name[] = {
-	"audio/" DRIVER_NAME,
-	"audio/modules/foobar/1",
-	"audio/modules/foobar/2",
-	"audio/modules/snafu/1",
-	"audio/modules/snafu/2",
-	NULL
-};
-
-
-device_hooks audio_module_driver_hooks = {
-	audio_module_driver_open,
-	audio_module_driver_close,
-	audio_module_driver_free,
-	audio_module_driver_control,
-	audio_module_driver_read,
-	audio_module_driver_write,
-	NULL,
-	NULL,
-	NULL,
-	NULL
-};
-
-
-const char**
-publish_devices(void)
-{
-	dprintf("audio_module_driver: publish_devices\n");
-	return ich_name;
-}
-
-
-device_hooks*
-find_device(const char *name)
-{
-	dprintf("audio_module_driver: find_device %s\n", name);
-	return &audio_module_driver_hooks;
-}
-
-
-void republish_devices(void)
-{
-	int fd = open("/dev", O_WRONLY);
-	write(fd, DRIVER_NAME, strlen(DRIVER_NAME));
-	close (fd);
-}