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linux-davinci-2.6.23
Commit 79cda7d0 authored by Luming Yu's avatar Luming Yu Committed by Len Brown
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[ACPI] CONFIG_ACPI_HOTKEY is now "n" by default 

For 2.6.12 behaviour, this (EXPERIMENTAL) driver
should not be built.

Update the driver source with latest from Luming.
Signed-off-by: default avatarLuming Yu <luming.yu@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b34a8030
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Showing with 396 additions and 299 deletions
drivers/acpi/Kconfig
View file @ 79cda7d0
...@@ -133,9 +133,10 @@ config ACPI_HOTKEY ...@@ -133,9 +133,10 @@ config ACPI_HOTKEY
depends on ACPI_INTERPRETER depends on ACPI_INTERPRETER
depends on EXPERIMENTAL depends on EXPERIMENTAL
depends on !IA64_SGI_SN depends on !IA64_SGI_SN
default m default n
help help
ACPI generic hotkey Experimental consolidated hotkey driver.
If you are unsure, say N.
config ACPI_FAN config ACPI_FAN
tristate "Fan" tristate "Fan"
......
drivers/acpi/hotkey.c
View file @ 79cda7d0
/* /*
* hotkey.c - ACPI Hotkey Driver ($Revision:$) * hotkey.c - ACPI Hotkey Driver ($Revision: 0.2 $)
* *
* Copyright (C) 2004 Luming Yu <luming.yu@intel.com> * Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
* *
...@@ -51,17 +51,18 @@ ...@@ -51,17 +51,18 @@
#define ACPI_HOTKEY_POLLING 0x2 #define ACPI_HOTKEY_POLLING 0x2
#define ACPI_UNDEFINED_EVENT 0xf #define ACPI_UNDEFINED_EVENT 0xf
#define MAX_CONFIG_RECORD_LEN 80 #define RESULT_STR_LEN 80
#define MAX_NAME_PATH_LEN 80
#define MAX_CALL_PARM 80
#define IS_EVENT(e) 0xff /* ((e) & 0x40000000) */ #define ACTION_METHOD 0
#define IS_POLL(e) 0xff /* (~((e) & 0x40000000)) */ #define POLL_METHOD 1
#define IS_EVENT(e) ((e) <= 10000 && (e) >0)
#define IS_POLL(e) ((e) > 10000)
#define IS_OTHERS(e) ((e)<=0 || (e)>=20000)
#define _COMPONENT ACPI_HOTKEY_COMPONENT #define _COMPONENT ACPI_HOTKEY_COMPONENT
ACPI_MODULE_NAME("acpi_hotkey") ACPI_MODULE_NAME("acpi_hotkey")
MODULE_AUTHOR("luming.yu@intel.com"); MODULE_AUTHOR("luming.yu@intel.com");
MODULE_DESCRIPTION(ACPI_HOTK_NAME); MODULE_DESCRIPTION(ACPI_HOTK_NAME);
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
...@@ -131,7 +132,7 @@ struct acpi_polling_hotkey { ...@@ -131,7 +132,7 @@ struct acpi_polling_hotkey {
char *poll_method; /* poll method */ char *poll_method; /* poll method */
acpi_handle action_handle; /* acpi handle attached action method */ acpi_handle action_handle; /* acpi handle attached action method */
char *action_method; /* action method */ char *action_method; /* action method */
void *poll_result; /* polling_result */ union acpi_object *poll_result; /* polling_result */
struct proc_dir_entry *proc; struct proc_dir_entry *proc;
}; };
...@@ -162,20 +163,25 @@ static struct acpi_driver hotkey_driver = { ...@@ -162,20 +163,25 @@ static struct acpi_driver hotkey_driver = {
}, },
}; };
static void free_hotkey_device(union acpi_hotkey *key);
static void free_hotkey_buffer(union acpi_hotkey *key);
static void free_poll_hotkey_buffer(union acpi_hotkey *key);
static int hotkey_open_config(struct inode *inode, struct file *file); static int hotkey_open_config(struct inode *inode, struct file *file);
static int hotkey_poll_open_config(struct inode *inode, struct file *file);
static ssize_t hotkey_write_config(struct file *file, static ssize_t hotkey_write_config(struct file *file,
const char __user * buffer, const char __user * buffer,
size_t count, loff_t * data); size_t count, loff_t * data);
static ssize_t hotkey_write_poll_config(struct file *file,
const char __user * buffer,
size_t count, loff_t * data);
static int hotkey_info_open_fs(struct inode *inode, struct file *file); static int hotkey_info_open_fs(struct inode *inode, struct file *file);
static int hotkey_action_open_fs(struct inode *inode, struct file *file); static int hotkey_action_open_fs(struct inode *inode, struct file *file);
static ssize_t hotkey_execute_aml_method(struct file *file, static ssize_t hotkey_execute_aml_method(struct file *file,
const char __user * buffer, const char __user * buffer,
size_t count, loff_t * data); size_t count, loff_t * data);
static int hotkey_config_seq_show(struct seq_file *seq, void *offset); static int hotkey_config_seq_show(struct seq_file *seq, void *offset);
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset);
static int hotkey_polling_open_fs(struct inode *inode, struct file *file); static int hotkey_polling_open_fs(struct inode *inode, struct file *file);
static union acpi_hotkey *get_hotkey_by_event(struct
acpi_hotkey_list
*hotkey_list, int event);
/* event based config */ /* event based config */
static struct file_operations hotkey_config_fops = { static struct file_operations hotkey_config_fops = {
...@@ -188,9 +194,9 @@ static struct file_operations hotkey_config_fops = { ...@@ -188,9 +194,9 @@ static struct file_operations hotkey_config_fops = {
/* polling based config */ /* polling based config */
static struct file_operations hotkey_poll_config_fops = { static struct file_operations hotkey_poll_config_fops = {
.open = hotkey_open_config, .open = hotkey_poll_open_config,
.read = seq_read, .read = seq_read,
.write = hotkey_write_poll_config, .write = hotkey_write_config,
.llseek = seq_lseek, .llseek = seq_lseek,
.release = single_release, .release = single_release,
}; };
...@@ -227,7 +233,7 @@ static int hotkey_info_seq_show(struct seq_file *seq, void *offset) ...@@ -227,7 +233,7 @@ static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
{ {
ACPI_FUNCTION_TRACE("hotkey_info_seq_show"); ACPI_FUNCTION_TRACE("hotkey_info_seq_show");
seq_printf(seq, "Hotkey generic driver ver: %s", HOTKEY_ACPI_VERSION); seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION);
return_VALUE(0); return_VALUE(0);
} }
...@@ -239,27 +245,35 @@ static int hotkey_info_open_fs(struct inode *inode, struct file *file) ...@@ -239,27 +245,35 @@ static int hotkey_info_open_fs(struct inode *inode, struct file *file)
static char *format_result(union acpi_object *object) static char *format_result(union acpi_object *object)
{ {
char *buf = (char *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); char *buf = NULL;
memset(buf, 0, sizeof(union acpi_object)); buf = (char *)kmalloc(RESULT_STR_LEN, GFP_KERNEL);
if (buf)
memset(buf, 0, RESULT_STR_LEN);
else
goto do_fail;
/* Now, just support integer type */ /* Now, just support integer type */
if (object->type == ACPI_TYPE_INTEGER) if (object->type == ACPI_TYPE_INTEGER)
sprintf(buf, "%d", (u32) object->integer.value); sprintf(buf, "%d\n", (u32) object->integer.value);
do_fail:
return buf; return (buf);
} }
static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
{ {
struct acpi_polling_hotkey *poll_hotkey = struct acpi_polling_hotkey *poll_hotkey =
(struct acpi_polling_hotkey *)seq->private; (struct acpi_polling_hotkey *)seq->private;
char *buf;
ACPI_FUNCTION_TRACE("hotkey_polling_seq_show"); ACPI_FUNCTION_TRACE("hotkey_polling_seq_show");
if (poll_hotkey->poll_result) if (poll_hotkey->poll_result){
seq_printf(seq, "%s", format_result(poll_hotkey->poll_result)); buf = format_result(poll_hotkey->poll_result);
if(buf)
seq_printf(seq, "%s", buf);
kfree(buf);
}
return_VALUE(0); return_VALUE(0);
} }
...@@ -276,19 +290,19 @@ static int hotkey_action_open_fs(struct inode *inode, struct file *file) ...@@ -276,19 +290,19 @@ static int hotkey_action_open_fs(struct inode *inode, struct file *file)
/* Mapping external hotkey number to standardized hotkey event num */ /* Mapping external hotkey number to standardized hotkey event num */
static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list) static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
{ {
struct list_head *entries, *next; struct list_head *entries;
int val = 0; int val = -1;
ACPI_FUNCTION_TRACE("hotkey_get_internal_event"); ACPI_FUNCTION_TRACE("hotkey_get_internal_event");
list_for_each_safe(entries, next, list->entries) { list_for_each(entries, list->entries) {
union acpi_hotkey *key = union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries); container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
&& key->event_hotkey.external_hotkey_num == event) && key->event_hotkey.external_hotkey_num == event){
val = key->link.hotkey_standard_num; val = key->link.hotkey_standard_num;
else break;
val = -1; }
} }
return_VALUE(val); return_VALUE(val);
...@@ -306,7 +320,7 @@ acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data) ...@@ -306,7 +320,7 @@ acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data)
return_VOID; return_VOID;
internal_event = hotkey_get_internal_event(event, &global_hotkey_list); internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
acpi_bus_generate_event(device, event, 0); acpi_bus_generate_event(device, internal_event, 0);
return_VOID; return_VOID;
} }
...@@ -329,13 +343,17 @@ static int auto_hotkey_remove(struct acpi_device *device, int type) ...@@ -329,13 +343,17 @@ static int auto_hotkey_remove(struct acpi_device *device, int type)
static int create_polling_proc(union acpi_hotkey *device) static int create_polling_proc(union acpi_hotkey *device)
{ {
struct proc_dir_entry *proc; struct proc_dir_entry *proc;
char proc_name[80];
mode_t mode; mode_t mode;
ACPI_FUNCTION_TRACE("create_polling_proc"); ACPI_FUNCTION_TRACE("create_polling_proc");
mode = S_IFREG | S_IRUGO | S_IWUGO; mode = S_IFREG | S_IRUGO | S_IWUGO;
proc = create_proc_entry(device->poll_hotkey.action_method, sprintf(proc_name, "%d", device->link.hotkey_standard_num);
mode, hotkey_proc_dir); /*
strcat(proc_name, device->poll_hotkey.poll_method);
*/
proc = create_proc_entry(proc_name, mode, hotkey_proc_dir);
if (!proc) { if (!proc) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
...@@ -353,23 +371,6 @@ static int create_polling_proc(union acpi_hotkey *device) ...@@ -353,23 +371,6 @@ static int create_polling_proc(union acpi_hotkey *device)
return_VALUE(0); return_VALUE(0);
} }
static int is_valid_acpi_path(const char *pathname)
{
acpi_handle handle;
acpi_status status;
ACPI_FUNCTION_TRACE("is_valid_acpi_path");
status = acpi_get_handle(NULL, (char *)pathname, &handle);
return_VALUE(!ACPI_FAILURE(status));
}
static int is_valid_hotkey(union acpi_hotkey *device)
{
ACPI_FUNCTION_TRACE("is_valid_hotkey");
/* Implement valid check */
return_VALUE(1);
}
static int hotkey_add(union acpi_hotkey *device) static int hotkey_add(union acpi_hotkey *device)
{ {
int status = 0; int status = 0;
...@@ -378,15 +379,11 @@ static int hotkey_add(union acpi_hotkey *device) ...@@ -378,15 +379,11 @@ static int hotkey_add(union acpi_hotkey *device)
ACPI_FUNCTION_TRACE("hotkey_add"); ACPI_FUNCTION_TRACE("hotkey_add");
if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) { if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
status =
acpi_bus_get_device(device->event_hotkey.bus_handle, &dev); acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
if (status)
return_VALUE(status);
status = acpi_install_notify_handler(dev->handle, status = acpi_install_notify_handler(dev->handle,
ACPI_SYSTEM_NOTIFY, ACPI_DEVICE_NOTIFY,
acpi_hotkey_notify_handler, acpi_hotkey_notify_handler,
device); dev);
} else /* Add polling hotkey */ } else /* Add polling hotkey */
create_polling_proc(device); create_polling_proc(device);
...@@ -409,84 +406,143 @@ static int hotkey_remove(union acpi_hotkey *device) ...@@ -409,84 +406,143 @@ static int hotkey_remove(union acpi_hotkey *device)
if (key->link.hotkey_standard_num == if (key->link.hotkey_standard_num ==
device->link.hotkey_standard_num) { device->link.hotkey_standard_num) {
list_del(&key->link.entries); list_del(&key->link.entries);
remove_proc_entry(key->poll_hotkey.action_method, free_hotkey_device(key);
hotkey_proc_dir);
global_hotkey_list.count--; global_hotkey_list.count--;
break; break;
} }
} }
kfree(device);
return_VALUE(0); return_VALUE(0);
} }
static void hotkey_update(union acpi_hotkey *key) static int hotkey_update(union acpi_hotkey *key)
{ {
struct list_head *entries, *next; struct list_head *entries;
ACPI_FUNCTION_TRACE("hotkey_update"); ACPI_FUNCTION_TRACE("hotkey_update");
list_for_each_safe(entries, next, global_hotkey_list.entries) { list_for_each(entries, global_hotkey_list.entries) {
union acpi_hotkey *key = union acpi_hotkey *tmp=
container_of(entries, union acpi_hotkey, entries); container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_standard_num == if (tmp->link.hotkey_standard_num ==
key->link.hotkey_standard_num) { key->link.hotkey_standard_num) {
key->event_hotkey.bus_handle = if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
free_hotkey_buffer(tmp);
tmp->event_hotkey.bus_handle =
key->event_hotkey.bus_handle; key->event_hotkey.bus_handle;
key->event_hotkey.external_hotkey_num = tmp->event_hotkey.external_hotkey_num =
key->event_hotkey.external_hotkey_num; key->event_hotkey.external_hotkey_num;
key->event_hotkey.action_handle = tmp->event_hotkey.action_handle =
key->event_hotkey.action_handle; key->event_hotkey.action_handle;
key->event_hotkey.action_method = tmp->event_hotkey.action_method =
key->event_hotkey.action_method; key->event_hotkey.action_method;
kfree(key);
} else {
/*
char proc_name[80];
sprintf(proc_name, "%d", tmp->link.hotkey_standard_num);
strcat(proc_name, tmp->poll_hotkey.poll_method);
remove_proc_entry(proc_name,hotkey_proc_dir);
*/
free_poll_hotkey_buffer(tmp);
tmp->poll_hotkey.poll_handle =
key->poll_hotkey.poll_handle;
tmp->poll_hotkey.poll_method =
key->poll_hotkey.poll_method;
tmp->poll_hotkey.action_handle =
key->poll_hotkey.action_handle;
tmp->poll_hotkey.action_method =
key->poll_hotkey.action_method;
tmp->poll_hotkey.poll_result =
key->poll_hotkey.poll_result;
/*
create_polling_proc(tmp);
*/
kfree(key);
}
return_VALUE(0);
break; break;
} }
} }
return_VOID; return_VALUE(-ENODEV);
} }
static void free_hotkey_device(union acpi_hotkey *key) static void free_hotkey_device(union acpi_hotkey *key)
{ {
struct acpi_device *dev; struct acpi_device *dev;
int status;
ACPI_FUNCTION_TRACE("free_hotkey_device"); ACPI_FUNCTION_TRACE("free_hotkey_device");
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
status =
acpi_bus_get_device(key->event_hotkey.bus_handle, &dev); acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
if (dev->handle) if (dev->handle)
acpi_remove_notify_handler(dev->handle, acpi_remove_notify_handler(dev->handle,
ACPI_SYSTEM_NOTIFY, ACPI_DEVICE_NOTIFY,
acpi_hotkey_notify_handler); acpi_hotkey_notify_handler);
} else free_hotkey_buffer(key);
remove_proc_entry(key->poll_hotkey.action_method, } else {
hotkey_proc_dir); char proc_name[80];
sprintf(proc_name, "%d", key->link.hotkey_standard_num);
/*
strcat(proc_name, key->poll_hotkey.poll_method);
*/
remove_proc_entry(proc_name,hotkey_proc_dir);
free_poll_hotkey_buffer(key);
}
kfree(key); kfree(key);
return_VOID; return_VOID;
} }
static void
free_hotkey_buffer(union acpi_hotkey *key)
{
kfree(key->event_hotkey.action_method);
}
static void
free_poll_hotkey_buffer(union acpi_hotkey *key)
{
kfree(key->poll_hotkey.action_method);
kfree(key->poll_hotkey.poll_method);
kfree(key->poll_hotkey.poll_result);
}
static int static int
init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str, init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str,
char *method, int std_num, int external_num) char *method, int std_num, int external_num)
{ {
acpi_handle tmp_handle;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("init_hotkey_device"); ACPI_FUNCTION_TRACE("init_hotkey_device");
if(std_num < 0 || IS_POLL(std_num) || !key )
goto do_fail;
if(!bus_str || !action_str || !method)
goto do_fail;
key->link.hotkey_type = ACPI_HOTKEY_EVENT; key->link.hotkey_type = ACPI_HOTKEY_EVENT;
key->link.hotkey_standard_num = std_num; key->link.hotkey_standard_num = std_num;
key->event_hotkey.flag = 0; key->event_hotkey.flag = 0;
if (is_valid_acpi_path(bus_str)) key->event_hotkey.action_method = method;
acpi_get_handle((acpi_handle) 0,
bus_str, &(key->event_hotkey.bus_handle));
else
return_VALUE(-ENODEV);
key->event_hotkey.external_hotkey_num = external_num;
if (is_valid_acpi_path(action_str))
acpi_get_handle((acpi_handle) 0,
action_str, &(key->event_hotkey.action_handle));
key->event_hotkey.action_method = kmalloc(sizeof(method), GFP_KERNEL);
strcpy(key->event_hotkey.action_method, method);
return_VALUE(!is_valid_hotkey(key)); status = acpi_get_handle(NULL,bus_str, &(key->event_hotkey.bus_handle));
if(ACPI_FAILURE(status))
goto do_fail;
key->event_hotkey.external_hotkey_num = external_num;
status = acpi_get_handle(NULL,action_str, &(key->event_hotkey.action_handle));
if(ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(key->event_hotkey.action_handle,
method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
return_VALUE(AE_OK);
do_fail:
return_VALUE(-ENODEV);
} }
static int static int
...@@ -495,34 +551,46 @@ init_poll_hotkey_device(union acpi_hotkey *key, ...@@ -495,34 +551,46 @@ init_poll_hotkey_device(union acpi_hotkey *key,
char *poll_method, char *poll_method,
char *action_str, char *action_method, int std_num) char *action_str, char *action_method, int std_num)
{ {
acpi_status status = AE_OK;
acpi_handle tmp_handle;
ACPI_FUNCTION_TRACE("init_poll_hotkey_device"); ACPI_FUNCTION_TRACE("init_poll_hotkey_device");
if(std_num < 0 || IS_EVENT(std_num) || !key)
goto do_fail;
if(!poll_str || !poll_method || !action_str || !action_method)
goto do_fail;
key->link.hotkey_type = ACPI_HOTKEY_POLLING; key->link.hotkey_type = ACPI_HOTKEY_POLLING;
key->link.hotkey_standard_num = std_num; key->link.hotkey_standard_num = std_num;
key->poll_hotkey.flag = 0; key->poll_hotkey.flag = 0;
if (is_valid_acpi_path(poll_str))
acpi_get_handle((acpi_handle) 0,
poll_str, &(key->poll_hotkey.poll_handle));
else
return_VALUE(-ENODEV);
key->poll_hotkey.poll_method = poll_method; key->poll_hotkey.poll_method = poll_method;
if (is_valid_acpi_path(action_str)) key->poll_hotkey.action_method = action_method;
acpi_get_handle((acpi_handle) 0,
action_str, &(key->poll_hotkey.action_handle)); status = acpi_get_handle(NULL,poll_str, &(key->poll_hotkey.poll_handle));
key->poll_hotkey.action_method = if(ACPI_FAILURE(status))
kmalloc(sizeof(action_method), GFP_KERNEL); goto do_fail;
strcpy(key->poll_hotkey.action_method, action_method); status = acpi_get_handle(key->poll_hotkey.poll_handle,
poll_method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(NULL,action_str, &(key->poll_hotkey.action_handle));
if (ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(key->poll_hotkey.action_handle,
action_method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
key->poll_hotkey.poll_result = key->poll_hotkey.poll_result =
(union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
return_VALUE(is_valid_hotkey(key)); if(!key->poll_hotkey.poll_result)
goto do_fail;
return_VALUE(AE_OK);
do_fail:
return_VALUE(-ENODEV);
} }
static int check_hotkey_valid(union acpi_hotkey *key,
struct acpi_hotkey_list *list)
{
ACPI_FUNCTION_TRACE("check_hotkey_valid");
return_VALUE(0);
}
static int hotkey_open_config(struct inode *inode, struct file *file) static int hotkey_open_config(struct inode *inode, struct file *file)
{ {
...@@ -531,10 +599,17 @@ static int hotkey_open_config(struct inode *inode, struct file *file) ...@@ -531,10 +599,17 @@ static int hotkey_open_config(struct inode *inode, struct file *file)
(file, hotkey_config_seq_show, PDE(inode)->data)); (file, hotkey_config_seq_show, PDE(inode)->data));
} }
static int hotkey_poll_open_config(struct inode *inode, struct file *file)
{
ACPI_FUNCTION_TRACE("hotkey_poll_open_config");
return_VALUE(single_open
(file, hotkey_poll_config_seq_show, PDE(inode)->data));
}
static int hotkey_config_seq_show(struct seq_file *seq, void *offset) static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
{ {
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
struct list_head *entries, *next; struct list_head *entries;
char bus_name[ACPI_PATHNAME_MAX] = { 0 }; char bus_name[ACPI_PATHNAME_MAX] = { 0 };
char action_name[ACPI_PATHNAME_MAX] = { 0 }; char action_name[ACPI_PATHNAME_MAX] = { 0 };
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
...@@ -542,10 +617,7 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset) ...@@ -542,10 +617,7 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE(("hotkey_config_seq_show")); ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
if (!hotkey_list) list_for_each(entries, hotkey_list->entries) {
goto end;
list_for_each_safe(entries, next, hotkey_list->entries) {
union acpi_hotkey *key = union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries); container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
...@@ -553,18 +625,37 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset) ...@@ -553,18 +625,37 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
ACPI_NAME_TYPE_MAX, &bus); ACPI_NAME_TYPE_MAX, &bus);
acpi_get_name(key->event_hotkey.action_handle, acpi_get_name(key->event_hotkey.action_handle,
ACPI_NAME_TYPE_MAX, &act); ACPI_NAME_TYPE_MAX, &act);
seq_printf(seq, "%s:%s:%s:%d:%d", bus_name, seq_printf(seq, "%s:%s:%s:%d:%d\n", bus_name,
action_name, action_name,
key->event_hotkey.action_method, key->event_hotkey.action_method,
key->link.hotkey_standard_num, key->link.hotkey_standard_num,
key->event_hotkey.external_hotkey_num); key->event_hotkey.external_hotkey_num);
} /* ACPI_HOTKEY_POLLING */ }
else { }
seq_puts(seq, "\n");
return_VALUE(0);
}
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
struct list_head *entries;
char bus_name[ACPI_PATHNAME_MAX] = { 0 };
char action_name[ACPI_PATHNAME_MAX] = { 0 };
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_POLLING) {
acpi_get_name(key->poll_hotkey.poll_handle, acpi_get_name(key->poll_hotkey.poll_handle,
ACPI_NAME_TYPE_MAX, &bus); ACPI_NAME_TYPE_MAX, &bus);
acpi_get_name(key->poll_hotkey.action_handle, acpi_get_name(key->poll_hotkey.action_handle,
ACPI_NAME_TYPE_MAX, &act); ACPI_NAME_TYPE_MAX, &act);
seq_printf(seq, "%s:%s:%s:%s:%d", bus_name, seq_printf(seq, "%s:%s:%s:%s:%d\n", bus_name,
key->poll_hotkey.poll_method, key->poll_hotkey.poll_method,
action_name, action_name,
key->poll_hotkey.action_method, key->poll_hotkey.action_method,
...@@ -572,49 +663,83 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset) ...@@ -572,49 +663,83 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
} }
} }
seq_puts(seq, "\n"); seq_puts(seq, "\n");
end:
return_VALUE(0); return_VALUE(0);
} }
static int static int
get_parms(char *config_record, get_parms(char *config_record,
int *cmd, int *cmd,
char *bus_handle, char **bus_handle,
char *bus_method, char **bus_method,
char *action_handle, char **action_handle,
char *method, int *internal_event_num, int *external_event_num) char **method, int *internal_event_num, int *external_event_num)
{ {
char *tmp, *tmp1; char *tmp, *tmp1, count;
ACPI_FUNCTION_TRACE(("get_parms")); ACPI_FUNCTION_TRACE(("get_parms"));
sscanf(config_record, "%d", cmd); sscanf(config_record, "%d", cmd);
if(*cmd == 1){
if(sscanf(config_record, "%d:%d", cmd, internal_event_num)!=2)
goto do_fail;
else
return (6);
}
tmp = strchr(config_record, ':'); tmp = strchr(config_record, ':');
if (!tmp)
goto do_fail;
tmp++; tmp++;
tmp1 = strchr(tmp, ':'); tmp1 = strchr(tmp, ':');
strncpy(bus_handle, tmp, tmp1 - tmp); if (!tmp1)
bus_handle[tmp1 - tmp] = 0; goto do_fail;
count = tmp1 - tmp;
*bus_handle = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*bus_handle)
goto do_fail;
strncpy(*bus_handle, tmp, count);
*(*bus_handle + count) = 0;
tmp = tmp1; tmp = tmp1;
tmp++; tmp++;
tmp1 = strchr(tmp, ':'); tmp1 = strchr(tmp, ':');
strncpy(bus_method, tmp, tmp1 - tmp); if (!tmp1)
bus_method[tmp1 - tmp] = 0; goto do_fail;
count = tmp1 - tmp;
*bus_method = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*bus_method)
goto do_fail;
strncpy(*bus_method, tmp, count);
*(*bus_method + count) = 0;
tmp = tmp1; tmp = tmp1;
tmp++; tmp++;
tmp1 = strchr(tmp, ':'); tmp1 = strchr(tmp, ':');
strncpy(action_handle, tmp, tmp1 - tmp); if (!tmp1)
action_handle[tmp1 - tmp] = 0; goto do_fail;
count = tmp1 - tmp;
*action_handle = (char *) kmalloc(count+1, GFP_KERNEL);
strncpy(*action_handle, tmp, count);
*(*action_handle + count) = 0;
tmp = tmp1; tmp = tmp1;
tmp++; tmp++;
tmp1 = strchr(tmp, ':'); tmp1 = strchr(tmp, ':');
strncpy(method, tmp, tmp1 - tmp); if (!tmp1)
method[tmp1 - tmp] = 0; goto do_fail;
count = tmp1 - tmp;
*method = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*method)
goto do_fail;
strncpy(*method, tmp, count);
*(*method + count) = 0;
if(sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num)<=0)
goto do_fail;
sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num);
return_VALUE(6); return_VALUE(6);
do_fail:
return_VALUE(-1);
} }
/* count is length for one input record */ /* count is length for one input record */
...@@ -622,132 +747,114 @@ static ssize_t hotkey_write_config(struct file *file, ...@@ -622,132 +747,114 @@ static ssize_t hotkey_write_config(struct file *file,
const char __user * buffer, const char __user * buffer,
size_t count, loff_t * data) size_t count, loff_t * data)
{ {
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; char *config_record = NULL;
char config_record[MAX_CONFIG_RECORD_LEN]; char *bus_handle = NULL;
char bus_handle[MAX_NAME_PATH_LEN]; char *bus_method = NULL;
char bus_method[MAX_NAME_PATH_LEN]; char *action_handle = NULL;
char action_handle[MAX_NAME_PATH_LEN]; char *method = NULL;
char method[20];
int cmd, internal_event_num, external_event_num; int cmd, internal_event_num, external_event_num;
int ret = 0; int ret = 0;
union acpi_hotkey *key = NULL; union acpi_hotkey *key = NULL;
ACPI_FUNCTION_TRACE(("hotkey_write_config")); ACPI_FUNCTION_TRACE(("hotkey_write_config"));
if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) { config_record = (char *) kmalloc(count+1, GFP_KERNEL);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n")); if(!config_record)
return_VALUE(-EINVAL); return_VALUE(-ENOMEM);
}
if (copy_from_user(config_record, buffer, count)) { if (copy_from_user(config_record, buffer, count)) {
kfree(config_record);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
config_record[count] = '\0'; config_record[count] = 0;
ret = get_parms(config_record, ret = get_parms(config_record,
&cmd, &cmd,
bus_handle, &bus_handle,
bus_method, &bus_method,
action_handle, &action_handle,
method, &internal_event_num, &external_event_num); &method, &internal_event_num, &external_event_num);
kfree(config_record);
if(IS_OTHERS(internal_event_num))
goto do_fail;
if (ret != 6) { if (ret != 6) {
do_fail:
kfree(bus_handle);
kfree(bus_method);
kfree(action_handle);
kfree(method);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid data format ret=%d\n", ret)); "Invalid data format ret=%d\n", ret));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL); key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
if(!key)
goto do_fail;
memset(key, 0, sizeof(union acpi_hotkey));
if(cmd == 1) {
union acpi_hotkey *tmp = NULL;
tmp = get_hotkey_by_event(&global_hotkey_list,
internal_event_num);
if(!tmp)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid key"));
else
memcpy(key, tmp, sizeof(union acpi_hotkey));
goto cont_cmd;
}
if (IS_EVENT(internal_event_num)) {
kfree(bus_method);
ret = init_hotkey_device(key, bus_handle, action_handle, method, ret = init_hotkey_device(key, bus_handle, action_handle, method,
internal_event_num, external_event_num); internal_event_num, external_event_num);
} else
if (ret || check_hotkey_valid(key, hotkey_list)) { ret = init_poll_hotkey_device(key, bus_handle, bus_method,
action_handle, method,
internal_event_num);
if (ret) {
kfree(bus_handle);
kfree(action_handle);
if(IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
else
free_poll_hotkey_buffer(key);
kfree(key); kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
switch (cmd) {
case 0:
hotkey_add(key);
break;
case 1:
hotkey_remove(key);
free_hotkey_device(key);
break;
case 2:
hotkey_update(key);
break;
default:
break;
}
return_VALUE(count);
}
/* count is length for one input record */ cont_cmd:
static ssize_t hotkey_write_poll_config(struct file *file, kfree(bus_handle);
const char __user * buffer, kfree(action_handle);
size_t count, loff_t * data)
{
struct seq_file *m = (struct seq_file *)file->private_data;
struct acpi_hotkey_list *hotkey_list =
(struct acpi_hotkey_list *)m->private;
char config_record[MAX_CONFIG_RECORD_LEN];
char polling_handle[MAX_NAME_PATH_LEN];
char action_handle[MAX_NAME_PATH_LEN];
char poll_method[20], action_method[20];
int ret, internal_event_num, cmd, external_event_num;
union acpi_hotkey *key = NULL;
ACPI_FUNCTION_TRACE("hotkey_write_poll_config");
if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n"));
return_VALUE(-EINVAL);
}
if (copy_from_user(config_record, buffer, count)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
return_VALUE(-EINVAL);
}
config_record[count] = '\0';
ret = get_parms(config_record,
&cmd,
polling_handle,
poll_method,
action_handle,
action_method,
&internal_event_num, &external_event_num);
if (ret != 6) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
return_VALUE(-EINVAL);
}
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
ret = init_poll_hotkey_device(key, polling_handle, poll_method,
action_handle, action_method,
internal_event_num);
if (ret || check_hotkey_valid(key, hotkey_list)) {
kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
return_VALUE(-EINVAL);
}
switch (cmd) { switch (cmd) {
case 0: case 0:
if(get_hotkey_by_event(&global_hotkey_list,key->link.hotkey_standard_num))
goto fail_out;
else
hotkey_add(key); hotkey_add(key);
break; break;
case 1: case 1:
hotkey_remove(key); hotkey_remove(key);
break; break;
case 2: case 2:
hotkey_update(key); if(hotkey_update(key))
goto fail_out;
break; break;
default: default:
goto fail_out;
break; break;
} }
return_VALUE(count); return_VALUE(count);
fail_out:
if(IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
else
free_poll_hotkey_buffer(key);
kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "invalid key\n"));
return_VALUE(-EINVAL);
} }
/* /*
...@@ -775,7 +882,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, ...@@ -775,7 +882,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
return_VALUE(status == AE_OK); return_VALUE(status == AE_OK);
} }
static int read_acpi_int(acpi_handle handle, const char *method, int *val) static int read_acpi_int(acpi_handle handle, const char *method, union acpi_object *val)
{ {
struct acpi_buffer output; struct acpi_buffer output;
union acpi_object out_obj; union acpi_object out_obj;
...@@ -786,59 +893,29 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val) ...@@ -786,59 +893,29 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val)
output.pointer = &out_obj; output.pointer = &out_obj;
status = acpi_evaluate_object(handle, (char *)method, NULL, &output); status = acpi_evaluate_object(handle, (char *)method, NULL, &output);
*val = out_obj.integer.value; if(val){
val->integer.value = out_obj.integer.value;
val->type = out_obj.type;
} else
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "null val pointer"));
return_VALUE((status == AE_OK) return_VALUE((status == AE_OK)
&& (out_obj.type == ACPI_TYPE_INTEGER)); && (out_obj.type == ACPI_TYPE_INTEGER));
} }
static acpi_handle static union acpi_hotkey *get_hotkey_by_event(struct
get_handle_from_hotkeylist(struct acpi_hotkey_list *hotkey_list, int event_num)
{
struct list_head *entries, *next;
list_for_each_safe(entries, next, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
&& key->link.hotkey_standard_num == event_num) {
return (key->event_hotkey.action_handle);
}
}
return (NULL);
}
static
char *get_method_from_hotkeylist(struct acpi_hotkey_list *hotkey_list,
int event_num)
{
struct list_head *entries, *next;
list_for_each_safe(entries, next, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT &&
key->link.hotkey_standard_num == event_num)
return (key->event_hotkey.action_method);
}
return (NULL);
}
static struct acpi_polling_hotkey *get_hotkey_by_event(struct
acpi_hotkey_list acpi_hotkey_list
*hotkey_list, int event) *hotkey_list, int event)
{ {
struct list_head *entries, *next; struct list_head *entries;
list_for_each_safe(entries, next, hotkey_list->entries) { list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key = union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries); container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_POLLING if (key->link.hotkey_standard_num == event) {
&& key->link.hotkey_standard_num == event) { return(key);
return (&key->poll_hotkey);
} }
} }
return (NULL); return(NULL);
} }
/* /*
...@@ -854,48 +931,56 @@ static ssize_t hotkey_execute_aml_method(struct file *file, ...@@ -854,48 +931,56 @@ static ssize_t hotkey_execute_aml_method(struct file *file,
size_t count, loff_t * data) size_t count, loff_t * data)
{ {
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
char arg[MAX_CALL_PARM]; char *arg;
int event, type, value; int event,method_type,type, value;
union acpi_hotkey *key;
char *method;
acpi_handle handle;
ACPI_FUNCTION_TRACE("hotkey_execte_aml_method"); ACPI_FUNCTION_TRACE("hotkey_execte_aml_method");
if (!hotkey_list || count > MAX_CALL_PARM) { arg = (char *) kmalloc(count+1, GFP_KERNEL);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 1")); if(!arg)
return_VALUE(-EINVAL); return_VALUE(-ENOMEM);
} arg[count]=0;
if (copy_from_user(arg, buffer, count)) { if (copy_from_user(arg, buffer, count)) {
kfree(arg);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
arg[count] = '\0'; if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) != 4) {
kfree(arg);
if (sscanf(arg, "%d:%d:%d", &event, &type, &value) != 3) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
kfree(arg);
if (type == ACPI_TYPE_INTEGER) { if (type == ACPI_TYPE_INTEGER) {
handle = get_handle_from_hotkeylist(hotkey_list, event); key = get_hotkey_by_event(hotkey_list, event);
method = (char *)get_method_from_hotkeylist(hotkey_list, event); if(!key)
goto do_fail;
if (IS_EVENT(event)) if (IS_EVENT(event))
write_acpi_int(handle, method, value, NULL); write_acpi_int(key->event_hotkey.action_handle,
key->event_hotkey.action_method, value, NULL);
else if (IS_POLL(event)) { else if (IS_POLL(event)) {
struct acpi_polling_hotkey *key; if ( method_type == POLL_METHOD )
key = (struct acpi_polling_hotkey *) read_acpi_int(key->poll_hotkey.poll_handle,
get_hotkey_by_event(hotkey_list, event); key->poll_hotkey.poll_method,
read_acpi_int(handle, method, key->poll_result); key->poll_hotkey.poll_result);
else if ( method_type == ACTION_METHOD )
write_acpi_int(key->poll_hotkey.action_handle,
key->poll_hotkey.action_method, value, NULL);
else
goto do_fail;
} }
} else { } else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported")); ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported"));
return_VALUE(-EINVAL); return_VALUE(-EINVAL);
} }
return_VALUE(count); return_VALUE(count);
do_fail:
return_VALUE(-EINVAL);
} }
static int __init hotkey_init(void) static int __init hotkey_init(void)
...@@ -928,7 +1013,7 @@ static int __init hotkey_init(void) ...@@ -928,7 +1013,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n", "Hotkey: Unable to create %s entry\n",
HOTKEY_EV_CONFIG)); HOTKEY_EV_CONFIG));
return (-ENODEV); goto do_fail1;
} else { } else {
hotkey_config->proc_fops = &hotkey_config_fops; hotkey_config->proc_fops = &hotkey_config_fops;
hotkey_config->data = &global_hotkey_list; hotkey_config->data = &global_hotkey_list;
...@@ -943,7 +1028,8 @@ static int __init hotkey_init(void) ...@@ -943,7 +1028,8 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n", "Hotkey: Unable to create %s entry\n",
HOTKEY_EV_CONFIG)); HOTKEY_EV_CONFIG));
return (-ENODEV);
goto do_fail2;
} else { } else {
hotkey_poll_config->proc_fops = &hotkey_poll_config_fops; hotkey_poll_config->proc_fops = &hotkey_poll_config_fops;
hotkey_poll_config->data = &global_hotkey_list; hotkey_poll_config->data = &global_hotkey_list;
...@@ -957,7 +1043,7 @@ static int __init hotkey_init(void) ...@@ -957,7 +1043,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n", "Hotkey: Unable to create %s entry\n",
HOTKEY_ACTION)); HOTKEY_ACTION));
return (-ENODEV); goto do_fail3;
} else { } else {
hotkey_action->proc_fops = &hotkey_action_fops; hotkey_action->proc_fops = &hotkey_action_fops;
hotkey_action->owner = THIS_MODULE; hotkey_action->owner = THIS_MODULE;
...@@ -970,7 +1056,7 @@ static int __init hotkey_init(void) ...@@ -970,7 +1056,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n", "Hotkey: Unable to create %s entry\n",
HOTKEY_INFO)); HOTKEY_INFO));
return (-ENODEV); goto do_fail4;
} else { } else {
hotkey_info->proc_fops = &hotkey_info_fops; hotkey_info->proc_fops = &hotkey_info_fops;
hotkey_info->owner = THIS_MODULE; hotkey_info->owner = THIS_MODULE;
...@@ -979,23 +1065,33 @@ static int __init hotkey_init(void) ...@@ -979,23 +1065,33 @@ static int __init hotkey_init(void)
} }
result = acpi_bus_register_driver(&hotkey_driver); result = acpi_bus_register_driver(&hotkey_driver);
if (result < 0) { if (result < 0)
remove_proc_entry(HOTKEY_PROC, acpi_root_dir); goto do_fail5;
return (-ENODEV);
}
global_hotkey_list.count = 0; global_hotkey_list.count = 0;
global_hotkey_list.entries = &hotkey_entries; global_hotkey_list.entries = &hotkey_entries;
INIT_LIST_HEAD(&hotkey_entries); INIT_LIST_HEAD(&hotkey_entries);
return (0); return (0);
do_fail5:
remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir);
do_fail4:
remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir);
do_fail3:
remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir);
do_fail2:
remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir);
do_fail1:
remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
return (-ENODEV);
} }
static void __exit hotkey_exit(void) static void __exit hotkey_exit(void)
{ {
struct list_head *entries, *next; struct list_head *entries, *next;
ACPI_FUNCTION_TRACE("hotkey_remove"); ACPI_FUNCTION_TRACE("hotkey_exit");
list_for_each_safe(entries, next, global_hotkey_list.entries) { list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key = union acpi_hotkey *key =
......
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