*
*
* Copyright (C) 2002-2004 John Belmonte
+ * Copyright (C) 2008 Philip Langdale
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
*/
-#define TOSHIBA_ACPI_VERSION "0.18"
+#define TOSHIBA_ACPI_VERSION "0.19"
#define PROC_INTERFACE_VERSION 1
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
+#include <linux/backlight.h>
+#include <linux/platform_device.h>
+#include <linux/rfkill.h>
+#include <linux/input-polldev.h>
+
#include <asm/uaccess.h>
#include <acpi/acpi_drivers.h>
#define HCI_VIDEO_OUT 0x001c
#define HCI_HOTKEY_EVENT 0x001e
#define HCI_LCD_BRIGHTNESS 0x002a
+#define HCI_WIRELESS 0x0056
/* field definitions */
#define HCI_LCD_BRIGHTNESS_BITS 3
#define HCI_VIDEO_OUT_LCD 0x1
#define HCI_VIDEO_OUT_CRT 0x2
#define HCI_VIDEO_OUT_TV 0x4
+#define HCI_WIRELESS_KILL_SWITCH 0x01
+#define HCI_WIRELESS_BT_PRESENT 0x0f
+#define HCI_WIRELESS_BT_ATTACH 0x40
+#define HCI_WIRELESS_BT_POWER 0x80
+
+static const struct acpi_device_id toshiba_device_ids[] = {
+ {"TOS6200", 0},
+ {"TOS6208", 0},
+ {"TOS1900", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
/* utility
*/
-static __inline__ void
-_set_bit(u32* word, u32 mask, int value)
+static __inline__ void _set_bit(u32 * word, u32 mask, int value)
{
*word = (*word & ~mask) | (mask * value);
}
/* acpi interface wrappers
*/
-static int
-is_valid_acpi_path(const char* methodName)
+static int is_valid_acpi_path(const char *methodName)
{
acpi_handle handle;
acpi_status status;
- status = acpi_get_handle(NULL, (char*)methodName, &handle);
+ status = acpi_get_handle(NULL, (char *)methodName, &handle);
return !ACPI_FAILURE(status);
}
-static int
-write_acpi_int(const char* methodName, int val)
+static int write_acpi_int(const char *methodName, int val)
{
struct acpi_object_list params;
union acpi_object in_objs[1];
acpi_status status;
- params.count = sizeof(in_objs)/sizeof(in_objs[0]);
+ params.count = ARRAY_SIZE(in_objs);
params.pointer = in_objs;
in_objs[0].type = ACPI_TYPE_INTEGER;
in_objs[0].integer.value = val;
- status = acpi_evaluate_object(NULL, (char*)methodName, ¶ms, NULL);
+ status = acpi_evaluate_object(NULL, (char *)methodName, ¶ms, NULL);
return (status == AE_OK);
}
#if 0
-static int
-read_acpi_int(const char* methodName, int* pVal)
+static int read_acpi_int(const char *methodName, int *pVal)
{
struct acpi_buffer results;
union acpi_object out_objs[1];
results.length = sizeof(out_objs);
results.pointer = out_objs;
- status = acpi_evaluate_object(0, (char*)methodName, 0, &results);
+ status = acpi_evaluate_object(0, (char *)methodName, 0, &results);
*pVal = out_objs[0].integer.value;
return (status == AE_OK) && (out_objs[0].type == ACPI_TYPE_INTEGER);
}
#endif
-static const char* method_hci /*= 0*/;
+static const char *method_hci /*= 0*/ ;
/* Perform a raw HCI call. Here we don't care about input or output buffer
* format.
*/
-static acpi_status
-hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
+static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
{
struct acpi_object_list params;
union acpi_object in_objs[HCI_WORDS];
struct acpi_buffer results;
- union acpi_object out_objs[HCI_WORDS+1];
+ union acpi_object out_objs[HCI_WORDS + 1];
acpi_status status;
int i;
results.length = sizeof(out_objs);
results.pointer = out_objs;
- status = acpi_evaluate_object(NULL, (char*)method_hci, ¶ms,
- &results);
+ status = acpi_evaluate_object(NULL, (char *)method_hci, ¶ms,
+ &results);
if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) {
for (i = 0; i < out_objs->package.count; ++i) {
out[i] = out_objs->package.elements[i].integer.value;
return status;
}
-/* common hci tasks (get or set one value)
+/* common hci tasks (get or set one or two value)
*
* In addition to the ACPI status, the HCI system returns a result which
* may be useful (such as "not supported").
*/
-static acpi_status
-hci_write1(u32 reg, u32 in1, u32* result)
+static acpi_status hci_write1(u32 reg, u32 in1, u32 * result)
{
u32 in[HCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 };
u32 out[HCI_WORDS];
return status;
}
-static acpi_status
-hci_read1(u32 reg, u32* out1, u32* result)
+static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result)
{
u32 in[HCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 };
u32 out[HCI_WORDS];
return status;
}
-static struct proc_dir_entry* toshiba_proc_dir /*= 0*/;
-static int force_fan;
-static int last_key_event;
-static int key_event_valid;
+static acpi_status hci_write2(u32 reg, u32 in1, u32 in2, u32 *result)
+{
+ u32 in[HCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(in, out);
+ *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
+ return status;
+}
+
+static acpi_status hci_read2(u32 reg, u32 *out1, u32 *out2, u32 *result)
+{
+ u32 in[HCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(in, out);
+ *out1 = out[2];
+ *out2 = out[3];
+ *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
+ return status;
+}
+
+struct toshiba_acpi_dev {
+ struct platform_device *p_dev;
+ struct rfkill *rfk_dev;
+ struct input_polled_dev *poll_dev;
+
+ const char *bt_name;
+ const char *rfk_name;
+
+ bool last_rfk_state;
+
+ struct mutex mutex;
+};
+
+static struct toshiba_acpi_dev toshiba_acpi = {
+ .bt_name = "Toshiba Bluetooth",
+ .rfk_name = "Toshiba RFKill Switch",
+ .last_rfk_state = false,
+};
+
+/* Bluetooth rfkill handlers */
+
+static u32 hci_get_bt_present(bool *present)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
+
+ return hci_result;
+}
+
+static u32 hci_get_bt_on(bool *on)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0x0001;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ *on = (value & HCI_WIRELESS_BT_POWER) &&
+ (value & HCI_WIRELESS_BT_ATTACH);
+
+ return hci_result;
+}
+
+static u32 hci_get_radio_state(bool *radio_state)
+{
+ u32 hci_result;
+ u32 value, value2;
+
+ value = 0;
+ value2 = 0x0001;
+ hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+
+ *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
+ return hci_result;
+}
+
+static int bt_rfkill_toggle_radio(void *data, enum rfkill_state state)
+{
+ u32 result1, result2;
+ u32 value;
+ bool radio_state;
+ struct toshiba_acpi_dev *dev = data;
+
+ value = (state == RFKILL_STATE_UNBLOCKED);
+
+ if (hci_get_radio_state(&radio_state) != HCI_SUCCESS)
+ return -EFAULT;
+
+ switch (state) {
+ case RFKILL_STATE_UNBLOCKED:
+ if (!radio_state)
+ return -EPERM;
+ break;
+ case RFKILL_STATE_SOFT_BLOCKED:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mutex_lock(&dev->mutex);
+ hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1);
+ hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2);
+ mutex_unlock(&dev->mutex);
+
+ if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS)
+ return -EFAULT;
+
+ return 0;
+}
-typedef struct _ProcItem
+static void bt_poll_rfkill(struct input_polled_dev *poll_dev)
{
- const char* name;
- char* (*read_func)(char*);
- unsigned long (*write_func)(const char*, unsigned long);
+ bool state_changed;
+ bool new_rfk_state;
+ bool value;
+ u32 hci_result;
+ struct toshiba_acpi_dev *dev = poll_dev->private;
+
+ hci_result = hci_get_radio_state(&value);
+ if (hci_result != HCI_SUCCESS)
+ return; /* Can't do anything useful */
+
+ new_rfk_state = value;
+
+ mutex_lock(&dev->mutex);
+ state_changed = new_rfk_state != dev->last_rfk_state;
+ dev->last_rfk_state = new_rfk_state;
+ mutex_unlock(&dev->mutex);
+
+ if (unlikely(state_changed)) {
+ rfkill_force_state(dev->rfk_dev,
+ new_rfk_state ?
+ RFKILL_STATE_SOFT_BLOCKED :
+ RFKILL_STATE_HARD_BLOCKED);
+ input_report_switch(poll_dev->input, SW_RFKILL_ALL,
+ new_rfk_state);
+ input_sync(poll_dev->input);
+ }
+}
+
+static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
+static struct backlight_device *toshiba_backlight_device;
+static int force_fan;
+static int last_key_event;
+static int key_event_valid;
+
+typedef struct _ProcItem {
+ const char *name;
+ char *(*read_func) (char *);
+ unsigned long (*write_func) (const char *, unsigned long);
} ProcItem;
/* proc file handlers
*/
static int
-dispatch_read(char* page, char** start, off_t off, int count, int* eof,
- ProcItem* item)
+dispatch_read(char *page, char **start, off_t off, int count, int *eof,
+ ProcItem * item)
{
- char* p = page;
+ char *p = page;
int len;
if (off == 0)
/* ISSUE: I don't understand this code */
len = (p - page);
- if (len <= off+count) *eof = 1;
+ if (len <= off + count)
+ *eof = 1;
*start = page + off;
len -= off;
- if (len>count) len = count;
- if (len<0) len = 0;
+ if (len > count)
+ len = count;
+ if (len < 0)
+ len = 0;
return len;
}
static int
-dispatch_write(struct file* file, const char __user * buffer,
- unsigned long count, ProcItem* item)
+dispatch_write(struct file *file, const char __user * buffer,
+ unsigned long count, ProcItem * item)
{
int result;
- char* tmp_buffer;
+ char *tmp_buffer;
/* Arg buffer points to userspace memory, which can't be accessed
* directly. Since we're making a copy, zero-terminate the
* destination so that sscanf can be used on it safely.
*/
tmp_buffer = kmalloc(count + 1, GFP_KERNEL);
+ if (!tmp_buffer)
+ return -ENOMEM;
+
if (copy_from_user(tmp_buffer, buffer, count)) {
result = -EFAULT;
- }
- else {
+ } else {
tmp_buffer[count] = 0;
result = item->write_func(tmp_buffer, count);
}
return result;
}
-static char*
-read_lcd(char* p)
+static int get_lcd(struct backlight_device *bd)
{
u32 hci_result;
u32 value;
hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
- value = value >> HCI_LCD_BRIGHTNESS_SHIFT;
+ return (value >> HCI_LCD_BRIGHTNESS_SHIFT);
+ } else
+ return -EFAULT;
+}
+
+static char *read_lcd(char *p)
+{
+ int value = get_lcd(NULL);
+
+ if (value >= 0) {
p += sprintf(p, "brightness: %d\n", value);
p += sprintf(p, "brightness_levels: %d\n",
- HCI_LCD_BRIGHTNESS_LEVELS);
+ HCI_LCD_BRIGHTNESS_LEVELS);
} else {
printk(MY_ERR "Error reading LCD brightness\n");
}
return p;
}
-static unsigned long
-write_lcd(const char* buffer, unsigned long count)
+static int set_lcd(int value)
{
- int value;
u32 hci_result;
+ value = value << HCI_LCD_BRIGHTNESS_SHIFT;
+ hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result);
+ if (hci_result != HCI_SUCCESS)
+ return -EFAULT;
+
+ return 0;
+}
+
+static int set_lcd_status(struct backlight_device *bd)
+{
+ return set_lcd(bd->props.brightness);
+}
+
+static unsigned long write_lcd(const char *buffer, unsigned long count)
+{
+ int value;
+ int ret;
+
if (sscanf(buffer, " brightness : %i", &value) == 1 &&
- value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
- value = value << HCI_LCD_BRIGHTNESS_SHIFT;
- hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result);
- if (hci_result != HCI_SUCCESS)
- return -EFAULT;
+ value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
+ ret = set_lcd(value);
+ if (ret == 0)
+ ret = count;
} else {
- return -EINVAL;
+ ret = -EINVAL;
}
-
- return count;
+ return ret;
}
-static char*
-read_video(char* p)
+static char *read_video(char *p)
{
u32 hci_result;
u32 value;
if (hci_result == HCI_SUCCESS) {
int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
- int is_tv = (value & HCI_VIDEO_OUT_TV ) ? 1 : 0;
+ int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
p += sprintf(p, "lcd_out: %d\n", is_lcd);
p += sprintf(p, "crt_out: %d\n", is_crt);
p += sprintf(p, "tv_out: %d\n", is_tv);
return p;
}
-static unsigned long
-write_video(const char* buffer, unsigned long count)
+static unsigned long write_video(const char *buffer, unsigned long count)
{
int value;
int remain = count;
int crt_out = -1;
int tv_out = -1;
u32 hci_result;
- int video_out;
+ u32 video_out;
/* scan expression. Multiple expressions may be delimited with ;
*
++buffer;
--remain;
}
- while (remain && *(buffer-1) != ';');
+ while (remain && *(buffer - 1) != ';');
}
hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
if (hci_result == HCI_SUCCESS) {
- int new_video_out = video_out;
+ unsigned int new_video_out = video_out;
if (lcd_out != -1)
_set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
if (crt_out != -1)
return count;
}
-static char*
-read_fan(char* p)
+static char *read_fan(char *p)
{
u32 hci_result;
u32 value;
return p;
}
-static unsigned long
-write_fan(const char* buffer, unsigned long count)
+static unsigned long write_fan(const char *buffer, unsigned long count)
{
int value;
u32 hci_result;
if (sscanf(buffer, " force_on : %i", &value) == 1 &&
- value >= 0 && value <= 1) {
+ value >= 0 && value <= 1) {
hci_write1(HCI_FAN, value, &hci_result);
if (hci_result != HCI_SUCCESS)
return -EFAULT;
return count;
}
-static char*
-read_keys(char* p)
+static char *read_keys(char *p)
{
u32 hci_result;
u32 value;
p += sprintf(p, "hotkey_ready: %d\n", key_event_valid);
p += sprintf(p, "hotkey: 0x%04x\n", last_key_event);
-end:
+ end:
return p;
}
-static unsigned long
-write_keys(const char* buffer, unsigned long count)
+static unsigned long write_keys(const char *buffer, unsigned long count)
{
int value;
- if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 &&
- value == 0) {
+ if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 && value == 0) {
key_event_valid = 0;
} else {
return -EINVAL;
return count;
}
-static char*
-read_version(char* p)
+static char *read_version(char *p)
{
p += sprintf(p, "driver: %s\n", TOSHIBA_ACPI_VERSION);
p += sprintf(p, "proc_interface: %d\n",
- PROC_INTERFACE_VERSION);
+ PROC_INTERFACE_VERSION);
return p;
}
#define PROC_TOSHIBA "toshiba"
-static ProcItem proc_items[] =
-{
- { "lcd" , read_lcd , write_lcd },
- { "video" , read_video , write_video },
- { "fan" , read_fan , write_fan },
- { "keys" , read_keys , write_keys },
- { "version" , read_version , NULL },
- { NULL }
+static ProcItem proc_items[] = {
+ {"lcd", read_lcd, write_lcd},
+ {"video", read_video, write_video},
+ {"fan", read_fan, write_fan},
+ {"keys", read_keys, write_keys},
+ {"version", read_version, NULL},
+ {NULL}
};
-static acpi_status __init
-add_device(void)
+static acpi_status __init add_device(void)
{
- struct proc_dir_entry* proc;
- ProcItem* item;
+ struct proc_dir_entry *proc;
+ ProcItem *item;
- for (item = proc_items; item->name; ++item)
- {
+ for (item = proc_items; item->name; ++item) {
proc = create_proc_read_entry(item->name,
- S_IFREG | S_IRUGO | S_IWUSR,
- toshiba_proc_dir, (read_proc_t*)dispatch_read, item);
+ S_IFREG | S_IRUGO | S_IWUSR,
+ toshiba_proc_dir,
+ (read_proc_t *) dispatch_read,
+ item);
if (proc)
proc->owner = THIS_MODULE;
if (proc && item->write_func)
- proc->write_proc = (write_proc_t*)dispatch_write;
+ proc->write_proc = (write_proc_t *) dispatch_write;
}
return AE_OK;
}
-static acpi_status __exit
-remove_device(void)
+static acpi_status remove_device(void)
{
- ProcItem* item;
+ ProcItem *item;
for (item = proc_items; item->name; ++item)
remove_proc_entry(item->name, toshiba_proc_dir);
return AE_OK;
}
-static int __init
-toshiba_acpi_init(void)
+static struct backlight_ops toshiba_backlight_data = {
+ .get_brightness = get_lcd,
+ .update_status = set_lcd_status,
+};
+
+static void toshiba_acpi_exit(void)
+{
+ if (toshiba_acpi.poll_dev) {
+ input_unregister_polled_device(toshiba_acpi.poll_dev);
+ input_free_polled_device(toshiba_acpi.poll_dev);
+ }
+
+ if (toshiba_acpi.rfk_dev)
+ rfkill_unregister(toshiba_acpi.rfk_dev);
+
+ if (toshiba_backlight_device)
+ backlight_device_unregister(toshiba_backlight_device);
+
+ remove_device();
+
+ if (toshiba_proc_dir)
+ remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+
+ platform_device_unregister(toshiba_acpi.p_dev);
+
+ return;
+}
+
+static int __init toshiba_acpi_init(void)
{
acpi_status status = AE_OK;
u32 hci_result;
+ bool bt_present;
+ bool bt_on;
+ bool radio_on;
+ int ret = 0;
if (acpi_disabled)
return -ENODEV;
+
/* simple device detection: look for HCI method */
if (is_valid_acpi_path(METHOD_HCI_1))
method_hci = METHOD_HCI_1;
return -ENODEV;
printk(MY_INFO "Toshiba Laptop ACPI Extras version %s\n",
- TOSHIBA_ACPI_VERSION);
+ TOSHIBA_ACPI_VERSION);
printk(MY_INFO " HCI method: %s\n", method_hci);
+ mutex_init(&toshiba_acpi.mutex);
+
+ toshiba_acpi.p_dev = platform_device_register_simple("toshiba_acpi",
+ -1, NULL, 0);
+ if (IS_ERR(toshiba_acpi.p_dev)) {
+ ret = PTR_ERR(toshiba_acpi.p_dev);
+ printk(MY_ERR "unable to register platform device\n");
+ toshiba_acpi.p_dev = NULL;
+ toshiba_acpi_exit();
+ return ret;
+ }
+
force_fan = 0;
key_event_valid = 0;
toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
if (!toshiba_proc_dir) {
- status = AE_ERROR;
+ toshiba_acpi_exit();
+ return -ENODEV;
} else {
toshiba_proc_dir->owner = THIS_MODULE;
status = add_device();
- if (ACPI_FAILURE(status))
- remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+ if (ACPI_FAILURE(status)) {
+ toshiba_acpi_exit();
+ return -ENODEV;
+ }
}
- return (ACPI_SUCCESS(status)) ? 0 : -ENODEV;
-}
+ toshiba_backlight_device = backlight_device_register("toshiba",
+ &toshiba_acpi.p_dev->dev,
+ NULL,
+ &toshiba_backlight_data);
+ if (IS_ERR(toshiba_backlight_device)) {
+ ret = PTR_ERR(toshiba_backlight_device);
+
+ printk(KERN_ERR "Could not register toshiba backlight device\n");
+ toshiba_backlight_device = NULL;
+ toshiba_acpi_exit();
+ return ret;
+ }
+ toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
+
+ /* Register rfkill switch for Bluetooth */
+ if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
+ toshiba_acpi.rfk_dev = rfkill_allocate(&toshiba_acpi.p_dev->dev,
+ RFKILL_TYPE_BLUETOOTH);
+ if (!toshiba_acpi.rfk_dev) {
+ printk(MY_ERR "unable to allocate rfkill device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
-static void __exit
-toshiba_acpi_exit(void)
-{
- remove_device();
+ toshiba_acpi.rfk_dev->name = toshiba_acpi.bt_name;
+ toshiba_acpi.rfk_dev->toggle_radio = bt_rfkill_toggle_radio;
+ toshiba_acpi.rfk_dev->user_claim_unsupported = 1;
+ toshiba_acpi.rfk_dev->data = &toshiba_acpi;
- if (toshiba_proc_dir)
- remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+ if (hci_get_bt_on(&bt_on) == HCI_SUCCESS && bt_on) {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_UNBLOCKED;
+ } else if (hci_get_radio_state(&radio_on) == HCI_SUCCESS &&
+ radio_on) {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_SOFT_BLOCKED;
+ } else {
+ toshiba_acpi.rfk_dev->state = RFKILL_STATE_HARD_BLOCKED;
+ }
- return;
+ ret = rfkill_register(toshiba_acpi.rfk_dev);
+ if (ret) {
+ printk(MY_ERR "unable to register rfkill device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
+
+ /* Register input device for kill switch */
+ toshiba_acpi.poll_dev = input_allocate_polled_device();
+ if (!toshiba_acpi.poll_dev) {
+ printk(MY_ERR
+ "unable to allocate kill-switch input device\n");
+ toshiba_acpi_exit();
+ return -ENOMEM;
+ }
+ toshiba_acpi.poll_dev->private = &toshiba_acpi;
+ toshiba_acpi.poll_dev->poll = bt_poll_rfkill;
+ toshiba_acpi.poll_dev->poll_interval = 1000; /* msecs */
+
+ toshiba_acpi.poll_dev->input->name = toshiba_acpi.rfk_name;
+ toshiba_acpi.poll_dev->input->id.bustype = BUS_HOST;
+ /* Toshiba USB ID */
+ toshiba_acpi.poll_dev->input->id.vendor = 0x0930;
+ set_bit(EV_SW, toshiba_acpi.poll_dev->input->evbit);
+ set_bit(SW_RFKILL_ALL, toshiba_acpi.poll_dev->input->swbit);
+ input_report_switch(toshiba_acpi.poll_dev->input,
+ SW_RFKILL_ALL, TRUE);
+ input_sync(toshiba_acpi.poll_dev->input);
+
+ ret = input_register_polled_device(toshiba_acpi.poll_dev);
+ if (ret) {
+ printk(MY_ERR
+ "unable to register kill-switch input device\n");
+ toshiba_acpi_exit();
+ return ret;
+ }
+ }
+
+ return 0;
}
module_init(toshiba_acpi_init);