diff options
author | Anton Altaparmakov <aia21@cantab.net> | 2005-09-08 23:03:30 +0100 |
---|---|---|
committer | Anton Altaparmakov <aia21@cantab.net> | 2005-09-08 23:03:30 +0100 |
commit | 223176bc722a7bf519904180e956292ae1d1e819 (patch) | |
tree | 75b84d09c4b6eed81e537a4e587236f05faa5b7d /drivers/acpi/ac.c | |
parent | 7d333d6c739a5cd6d60102ea1a9940cbbb0546ec (diff) | |
parent | 1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff) |
Merge branch 'master' of /usr/src/linux-2.6
Diffstat (limited to 'drivers/acpi/ac.c')
-rw-r--r-- | drivers/acpi/ac.c | 138 |
1 files changed, 56 insertions, 82 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 23ab761dd72..7839b831df9 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -32,7 +32,6 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> - #define ACPI_AC_COMPONENT 0x00020000 #define ACPI_AC_CLASS "ac_adapter" #define ACPI_AC_HID "ACPI0003" @@ -45,47 +44,45 @@ #define ACPI_AC_STATUS_UNKNOWN 0xFF #define _COMPONENT ACPI_AC_COMPONENT -ACPI_MODULE_NAME ("acpi_ac") +ACPI_MODULE_NAME("acpi_ac") -MODULE_AUTHOR("Paul Diefenbaugh"); + MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME); MODULE_LICENSE("GPL"); -static int acpi_ac_add (struct acpi_device *device); -static int acpi_ac_remove (struct acpi_device *device, int type); +static int acpi_ac_add(struct acpi_device *device); +static int acpi_ac_remove(struct acpi_device *device, int type); static int acpi_ac_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_ac_driver = { - .name = ACPI_AC_DRIVER_NAME, - .class = ACPI_AC_CLASS, - .ids = ACPI_AC_HID, - .ops = { - .add = acpi_ac_add, - .remove = acpi_ac_remove, - }, + .name = ACPI_AC_DRIVER_NAME, + .class = ACPI_AC_CLASS, + .ids = ACPI_AC_HID, + .ops = { + .add = acpi_ac_add, + .remove = acpi_ac_remove, + }, }; struct acpi_ac { - acpi_handle handle; - unsigned long state; + acpi_handle handle; + unsigned long state; }; static struct file_operations acpi_ac_fops = { - .open = acpi_ac_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, + .open = acpi_ac_open_fs, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, }; /* -------------------------------------------------------------------------- AC Adapter Management -------------------------------------------------------------------------- */ -static int -acpi_ac_get_state ( - struct acpi_ac *ac) +static int acpi_ac_get_state(struct acpi_ac *ac) { - acpi_status status = AE_OK; + acpi_status status = AE_OK; ACPI_FUNCTION_TRACE("acpi_ac_get_state"); @@ -95,24 +92,23 @@ acpi_ac_get_state ( status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error reading AC Adapter state\n")); + "Error reading AC Adapter state\n")); ac->state = ACPI_AC_STATUS_UNKNOWN; return_VALUE(-ENODEV); } - + return_VALUE(0); } - /* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ -static struct proc_dir_entry *acpi_ac_dir; +static struct proc_dir_entry *acpi_ac_dir; static int acpi_ac_seq_show(struct seq_file *seq, void *offset) { - struct acpi_ac *ac = (struct acpi_ac *) seq->private; + struct acpi_ac *ac = (struct acpi_ac *)seq->private; ACPI_FUNCTION_TRACE("acpi_ac_seq_show"); @@ -139,23 +135,21 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset) return_VALUE(0); } - + static int acpi_ac_open_fs(struct inode *inode, struct file *file) { return single_open(file, acpi_ac_seq_show, PDE(inode)->data); } -static int -acpi_ac_add_fs ( - struct acpi_device *device) +static int acpi_ac_add_fs(struct acpi_device *device) { - struct proc_dir_entry *entry = NULL; + struct proc_dir_entry *entry = NULL; ACPI_FUNCTION_TRACE("acpi_ac_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), - acpi_ac_dir); + acpi_ac_dir); if (!acpi_device_dir(device)) return_VALUE(-ENODEV); acpi_device_dir(device)->owner = THIS_MODULE; @@ -163,11 +157,11 @@ acpi_ac_add_fs ( /* 'state' [R] */ entry = create_proc_entry(ACPI_AC_FILE_STATE, - S_IRUGO, acpi_device_dir(device)); + S_IRUGO, acpi_device_dir(device)); if (!entry) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_AC_FILE_STATE)); + "Unable to create '%s' fs entry\n", + ACPI_AC_FILE_STATE)); else { entry->proc_fops = &acpi_ac_fops; entry->data = acpi_driver_data(device); @@ -177,16 +171,12 @@ acpi_ac_add_fs ( return_VALUE(0); } - -static int -acpi_ac_remove_fs ( - struct acpi_device *device) +static int acpi_ac_remove_fs(struct acpi_device *device) { ACPI_FUNCTION_TRACE("acpi_ac_remove_fs"); if (acpi_device_dir(device)) { - remove_proc_entry(ACPI_AC_FILE_STATE, - acpi_device_dir(device)); + remove_proc_entry(ACPI_AC_FILE_STATE, acpi_device_dir(device)); remove_proc_entry(acpi_device_bid(device), acpi_ac_dir); acpi_device_dir(device) = NULL; @@ -195,19 +185,14 @@ acpi_ac_remove_fs ( return_VALUE(0); } - /* -------------------------------------------------------------------------- Driver Model -------------------------------------------------------------------------- */ -static void -acpi_ac_notify ( - acpi_handle handle, - u32 event, - void *data) +static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_ac *ac = (struct acpi_ac *) data; - struct acpi_device *device = NULL; + struct acpi_ac *ac = (struct acpi_ac *)data; + struct acpi_device *device = NULL; ACPI_FUNCTION_TRACE("acpi_ac_notify"); @@ -224,21 +209,18 @@ acpi_ac_notify ( break; default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Unsupported event [0x%x]\n", event)); + "Unsupported event [0x%x]\n", event)); break; } return_VOID; } - -static int -acpi_ac_add ( - struct acpi_device *device) +static int acpi_ac_add(struct acpi_device *device) { - int result = 0; - acpi_status status = AE_OK; - struct acpi_ac *ac = NULL; + int result = 0; + acpi_status status = AE_OK; + struct acpi_ac *ac = NULL; ACPI_FUNCTION_TRACE("acpi_ac_add"); @@ -264,19 +246,20 @@ acpi_ac_add ( goto end; status = acpi_install_notify_handler(ac->handle, - ACPI_DEVICE_NOTIFY, acpi_ac_notify, ac); + ACPI_DEVICE_NOTIFY, acpi_ac_notify, + ac); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); + "Error installing notify handler\n")); result = -ENODEV; goto end; } - printk(KERN_INFO PREFIX "%s [%s] (%s)\n", - acpi_device_name(device), acpi_device_bid(device), - ac->state?"on-line":"off-line"); + printk(KERN_INFO PREFIX "%s [%s] (%s)\n", + acpi_device_name(device), acpi_device_bid(device), + ac->state ? "on-line" : "off-line"); -end: + end: if (result) { acpi_ac_remove_fs(device); kfree(ac); @@ -285,27 +268,23 @@ end: return_VALUE(result); } - -static int -acpi_ac_remove ( - struct acpi_device *device, - int type) +static int acpi_ac_remove(struct acpi_device *device, int type) { - acpi_status status = AE_OK; - struct acpi_ac *ac = NULL; + acpi_status status = AE_OK; + struct acpi_ac *ac = NULL; ACPI_FUNCTION_TRACE("acpi_ac_remove"); if (!device || !acpi_driver_data(device)) return_VALUE(-EINVAL); - ac = (struct acpi_ac *) acpi_driver_data(device); + ac = (struct acpi_ac *)acpi_driver_data(device); status = acpi_remove_notify_handler(ac->handle, - ACPI_DEVICE_NOTIFY, acpi_ac_notify); + ACPI_DEVICE_NOTIFY, acpi_ac_notify); if (ACPI_FAILURE(status)) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); + "Error removing notify handler\n")); acpi_ac_remove_fs(device); @@ -314,11 +293,9 @@ acpi_ac_remove ( return_VALUE(0); } - -static int __init -acpi_ac_init (void) +static int __init acpi_ac_init(void) { - int result = 0; + int result = 0; ACPI_FUNCTION_TRACE("acpi_ac_init"); @@ -336,9 +313,7 @@ acpi_ac_init (void) return_VALUE(0); } - -static void __exit -acpi_ac_exit (void) +static void __exit acpi_ac_exit(void) { ACPI_FUNCTION_TRACE("acpi_ac_exit"); @@ -349,6 +324,5 @@ acpi_ac_exit (void) return_VOID; } - module_init(acpi_ac_init); module_exit(acpi_ac_exit); |