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path: root/drivers/acpi/hotkey.c
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Diffstat (limited to 'drivers/acpi/hotkey.c')
-rw-r--r--drivers/acpi/hotkey.c94
1 files changed, 36 insertions, 58 deletions
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c
index 393dbbca4e85..fd81a0f5222f 100644
--- a/drivers/acpi/hotkey.c
+++ b/drivers/acpi/hotkey.c
@@ -231,11 +231,10 @@ struct list_head hotkey_entries; /* head of the list of hotkey_list */
static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
{
- ACPI_FUNCTION_TRACE("hotkey_info_seq_show");
seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION);
- return_VALUE(0);
+ return 0;
}
static int hotkey_info_open_fs(struct inode *inode, struct file *file)
@@ -266,7 +265,6 @@ static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
(struct acpi_polling_hotkey *)seq->private;
char *buf;
- ACPI_FUNCTION_TRACE("hotkey_polling_seq_show");
if (poll_hotkey->poll_result) {
buf = format_result(poll_hotkey->poll_result);
@@ -274,7 +272,7 @@ static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
seq_printf(seq, "%s", buf);
kfree(buf);
}
- return_VALUE(0);
+ return 0;
}
static int hotkey_polling_open_fs(struct inode *inode, struct file *file)
@@ -293,7 +291,6 @@ static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
struct list_head *entries;
int val = -1;
- ACPI_FUNCTION_TRACE("hotkey_get_internal_event");
list_for_each(entries, list->entries) {
union acpi_hotkey *key =
@@ -305,7 +302,7 @@ static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
}
}
- return_VALUE(val);
+ return val;
}
static void
@@ -314,15 +311,14 @@ acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data)
struct acpi_device *device = NULL;
u32 internal_event;
- ACPI_FUNCTION_TRACE("acpi_hotkey_notify_handler");
if (acpi_bus_get_device(handle, &device))
- return_VOID;
+ return;
internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
acpi_bus_generate_event(device, internal_event, 0);
- return_VOID;
+ return;
}
/* Need to invent automatically hotkey add method */
@@ -346,7 +342,6 @@ static int create_polling_proc(union acpi_hotkey *device)
char proc_name[80];
mode_t mode;
- ACPI_FUNCTION_TRACE("create_polling_proc");
mode = S_IFREG | S_IRUGO | S_IWUGO;
sprintf(proc_name, "%d", device->link.hotkey_standard_num);
@@ -356,7 +351,7 @@ static int create_polling_proc(union acpi_hotkey *device)
proc = create_proc_entry(proc_name, mode, hotkey_proc_dir);
if (!proc) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
} else {
proc->proc_fops = &hotkey_polling_fops;
proc->owner = THIS_MODULE;
@@ -365,7 +360,7 @@ static int create_polling_proc(union acpi_hotkey *device)
proc->gid = 0;
device->poll_hotkey.proc = proc;
}
- return_VALUE(0);
+ return 0;
}
static int hotkey_add(union acpi_hotkey *device)
@@ -373,7 +368,6 @@ static int hotkey_add(union acpi_hotkey *device)
int status = 0;
struct acpi_device *dev = NULL;
- ACPI_FUNCTION_TRACE("hotkey_add");
if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
@@ -388,14 +382,13 @@ static int hotkey_add(union acpi_hotkey *device)
list_add_tail(&device->link.entries, global_hotkey_list.entries);
- return_VALUE(status);
+ return status;
}
static int hotkey_remove(union acpi_hotkey *device)
{
struct list_head *entries, *next;
- ACPI_FUNCTION_TRACE("hotkey_remove");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =
@@ -409,14 +402,13 @@ static int hotkey_remove(union acpi_hotkey *device)
}
}
kfree(device);
- return_VALUE(0);
+ return 0;
}
static int hotkey_update(union acpi_hotkey *key)
{
struct list_head *entries;
- ACPI_FUNCTION_TRACE("hotkey_update");
list_for_each(entries, global_hotkey_list.entries) {
union acpi_hotkey *tmp =
@@ -458,19 +450,18 @@ static int hotkey_update(union acpi_hotkey *key)
*/
kfree(key);
}
- return_VALUE(0);
+ return 0;
break;
}
}
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static void free_hotkey_device(union acpi_hotkey *key)
{
struct acpi_device *dev;
- ACPI_FUNCTION_TRACE("free_hotkey_device");
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
@@ -490,7 +481,7 @@ static void free_hotkey_device(union acpi_hotkey *key)
free_poll_hotkey_buffer(key);
}
kfree(key);
- return_VOID;
+ return;
}
static void free_hotkey_buffer(union acpi_hotkey *key)
@@ -511,7 +502,6 @@ init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str,
acpi_handle tmp_handle;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("init_hotkey_device");
if (std_num < 0 || IS_POLL(std_num) || !key)
goto do_fail;
@@ -538,9 +528,9 @@ init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str,
method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
- return_VALUE(AE_OK);
+ return AE_OK;
do_fail:
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int
@@ -552,7 +542,6 @@ init_poll_hotkey_device(union acpi_hotkey *key,
acpi_status status = AE_OK;
acpi_handle tmp_handle;
- ACPI_FUNCTION_TRACE("init_poll_hotkey_device");
if (std_num < 0 || IS_EVENT(std_num) || !key)
goto do_fail;
@@ -587,22 +576,20 @@ init_poll_hotkey_device(union acpi_hotkey *key,
(union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
if (!key->poll_hotkey.poll_result)
goto do_fail;
- return_VALUE(AE_OK);
+ return AE_OK;
do_fail:
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
static int hotkey_open_config(struct inode *inode, struct file *file)
{
- ACPI_FUNCTION_TRACE("hotkey_open_config");
- return_VALUE(single_open
+ return (single_open
(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
+ return (single_open
(file, hotkey_poll_config_seq_show, PDE(inode)->data));
}
@@ -615,7 +602,6 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
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 =
@@ -633,7 +619,7 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
}
}
seq_puts(seq, "\n");
- return_VALUE(0);
+ return 0;
}
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
@@ -645,7 +631,6 @@ static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
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 =
@@ -663,7 +648,7 @@ static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
}
}
seq_puts(seq, "\n");
- return_VALUE(0);
+ return 0;
}
static int
@@ -675,7 +660,6 @@ get_parms(char *config_record,
char **method, int *internal_event_num, int *external_event_num)
{
char *tmp, *tmp1, count;
- ACPI_FUNCTION_TRACE(("get_parms"));
sscanf(config_record, "%d", cmd);
@@ -741,9 +725,9 @@ get_parms(char *config_record,
0)
goto do_fail;
- return_VALUE(6);
+ return 6;
do_fail:
- return_VALUE(-1);
+ return -1;
}
/* count is length for one input record */
@@ -760,16 +744,15 @@ static ssize_t hotkey_write_config(struct file *file,
int ret = 0;
union acpi_hotkey *key = NULL;
- ACPI_FUNCTION_TRACE(("hotkey_write_config"));
config_record = (char *)kmalloc(count + 1, GFP_KERNEL);
if (!config_record)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
if (copy_from_user(config_record, buffer, count)) {
kfree(config_record);
printk(KERN_ERR PREFIX "Invalid data\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
config_record[count] = 0;
@@ -790,7 +773,7 @@ static ssize_t hotkey_write_config(struct file *file,
kfree(action_handle);
kfree(method);
printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret);
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
@@ -825,7 +808,7 @@ static ssize_t hotkey_write_config(struct file *file,
free_poll_hotkey_buffer(key);
kfree(key);
printk(KERN_ERR PREFIX "Invalid hotkey\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
cont_cmd:
@@ -851,7 +834,7 @@ static ssize_t hotkey_write_config(struct file *file,
goto fail_out;
break;
}
- return_VALUE(count);
+ return count;
fail_out:
if (IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
@@ -859,7 +842,7 @@ static ssize_t hotkey_write_config(struct file *file,
free_poll_hotkey_buffer(key);
kfree(key);
printk(KERN_ERR PREFIX "invalid key\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
/*
@@ -876,7 +859,6 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
union acpi_object in_obj; /* the only param we use */
acpi_status status;
- ACPI_FUNCTION_TRACE("write_acpi_int");
params.count = 1;
params.pointer = &in_obj;
in_obj.type = ACPI_TYPE_INTEGER;
@@ -884,7 +866,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
status = acpi_evaluate_object(handle, (char *)method, &params, output);
- return_VALUE(status == AE_OK);
+ return (status == AE_OK);
}
static int read_acpi_int(acpi_handle handle, const char *method,
@@ -894,7 +876,6 @@ static int read_acpi_int(acpi_handle handle, const char *method,
union acpi_object out_obj;
acpi_status status;
- ACPI_FUNCTION_TRACE("read_acpi_int");
output.length = sizeof(out_obj);
output.pointer = &out_obj;
@@ -904,7 +885,7 @@ static int read_acpi_int(acpi_handle handle, const char *method,
val->type = out_obj.type;
} else
printk(KERN_ERR PREFIX "null val pointer\n");
- return_VALUE((status == AE_OK)
+ return ((status == AE_OK)
&& (out_obj.type == ACPI_TYPE_INTEGER));
}
@@ -941,24 +922,23 @@ static ssize_t hotkey_execute_aml_method(struct file *file,
int event, method_type, type, value;
union acpi_hotkey *key;
- ACPI_FUNCTION_TRACE("hotkey_execte_aml_method");
arg = (char *)kmalloc(count + 1, GFP_KERNEL);
if (!arg)
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
arg[count] = 0;
if (copy_from_user(arg, buffer, count)) {
kfree(arg);
printk(KERN_ERR PREFIX "Invalid argument 2\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) !=
4) {
kfree(arg);
printk(KERN_ERR PREFIX "Invalid argument 3\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
kfree(arg);
if (type == ACPI_TYPE_INTEGER) {
@@ -984,11 +964,11 @@ static ssize_t hotkey_execute_aml_method(struct file *file,
}
} else {
printk(KERN_WARNING "Not supported\n");
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
- return_VALUE(count);
+ return count;
do_fail:
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
@@ -997,7 +977,6 @@ static int __init hotkey_init(void)
int result;
mode_t mode = S_IFREG | S_IRUGO | S_IWUGO;
- ACPI_FUNCTION_TRACE("hotkey_init");
if (acpi_disabled)
return -ENODEV;
@@ -1084,7 +1063,6 @@ static void __exit hotkey_exit(void)
{
struct list_head *entries, *next;
- ACPI_FUNCTION_TRACE("hotkey_exit");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =