diff options
Diffstat (limited to 'drivers/input/misc/wistron_btns.c')
| -rw-r--r-- | drivers/input/misc/wistron_btns.c | 62 |
1 files changed, 57 insertions, 5 deletions
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index b64798d838a2..3df30130e33c 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -2,6 +2,7 @@ * Wistron laptop button driver * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> + * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> * * You can redistribute and/or modify this program under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -28,6 +29,7 @@ #include <linux/string.h> #include <linux/timer.h> #include <linux/types.h> +#include <linux/platform_device.h> /* * Number of attempts to read data from queue per poll; @@ -58,6 +60,8 @@ static char *keymap_name; /* = NULL; */ module_param_named(keymap, keymap_name, charp, 0); MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected"); +static struct platform_device *wistron_device; + /* BIOS interface implementation */ static void __iomem *bios_entry_point; /* BIOS routine entry point */ @@ -356,6 +360,7 @@ static int __init setup_input_dev(void) input_dev->name = "Wistron laptop buttons"; input_dev->phys = "wistron/input0"; input_dev->id.bustype = BUS_HOST; + input_dev->cdev.dev = &wistron_device->dev; for (key = keymap; key->type != KE_END; key++) { if (key->type == KE_KEY) { @@ -442,6 +447,34 @@ static void poll_bios(unsigned long discard) mod_timer(&poll_timer, jiffies + HZ / POLL_FREQUENCY); } +static int wistron_suspend(struct platform_device *dev, pm_message_t state) +{ + del_timer_sync(&poll_timer); + + return 0; +} + +static int wistron_resume(struct platform_device *dev) +{ + if (have_wifi) + bios_set_state(WIFI, wifi_enabled); + + if (have_bluetooth) + bios_set_state(BLUETOOTH, bluetooth_enabled); + + poll_bios(1); + + return 0; +} + +static struct platform_driver wistron_driver = { + .suspend = wistron_suspend, + .resume = wistron_resume, + .driver = { + .name = "wistron-bios", + }, +}; + static int __init wb_module_init(void) { int err; @@ -457,6 +490,16 @@ static int __init wb_module_init(void) bios_attach(); cmos_address = bios_get_cmos_address(); + err = platform_driver_register(&wistron_driver); + if (err) + goto err_detach_bios; + + wistron_device = platform_device_register_simple("wistron-bios", -1, NULL, 0); + if (IS_ERR(wistron_device)) { + err = PTR_ERR(wistron_device); + goto err_unregister_driver; + } + if (have_wifi) { u16 wifi = bios_get_default_setting(WIFI); if (wifi & 1) @@ -480,21 +523,30 @@ static int __init wb_module_init(void) } err = setup_input_dev(); - if (err) { - bios_detach(); - unmap_bios(); - return err; - } + if (err) + goto err_unregister_device; poll_bios(1); /* Flush stale event queue and arm timer */ return 0; + + err_unregister_device: + platform_device_unregister(wistron_device); + err_unregister_driver: + platform_driver_unregister(&wistron_driver); + err_detach_bios: + bios_detach(); + unmap_bios(); + + return err; } static void __exit wb_module_exit(void) { del_timer_sync(&poll_timer); input_unregister_device(input_dev); + platform_device_unregister(wistron_device); + platform_driver_unregister(&wistron_driver); bios_detach(); unmap_bios(); } |