diff options
Diffstat (limited to 'drivers/acpi/hotkey.c')
-rw-r--r-- | drivers/acpi/hotkey.c | 94 |
1 files changed, 36 insertions, 58 deletions
diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c index 393dbbc..fd81a0f 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, ¶ms, 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 = |