diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/button.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index d73c94b8441d..52eb06ea4f80 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -1,5 +1,5 @@ /* - * acpi_button.c - ACPI Button Driver ($Revision: 30 $) + * button.c - ACPI Button Driver * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> @@ -133,7 +133,6 @@ static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "type: %s\n", acpi_device_name(button->device)); - return 0; } @@ -259,6 +258,7 @@ static int acpi_lid_send_state(struct acpi_button *button) &state); if (ACPI_FAILURE(status)) return -ENODEV; + /* input layer checks if event is redundant */ input_report_switch(button->input, SW_LID, !state); input_sync(button->input); @@ -299,13 +299,12 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) "Unsupported event [0x%x]\n", event)); break; } - - return; } static int acpi_button_resume(struct acpi_device *device) { struct acpi_button *button; + if (!device) return -EINVAL; button = acpi_driver_data(device); @@ -424,7 +423,6 @@ static int acpi_button_add(struct acpi_device *device) printk(KERN_INFO PREFIX "%s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); - return 0; err_remove_fs: @@ -448,7 +446,6 @@ static int acpi_button_remove(struct acpi_device *device, int type) acpi_button_remove_fs(device); input_unregister_device(button->input); kfree(button); - return 0; } @@ -459,6 +456,7 @@ static int __init acpi_button_init(void) acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) return -ENODEV; + result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); |