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-rw-r--r--MAINTAINERS5
-rw-r--r--drivers/input/gameport/gameport.c12
-rw-r--r--drivers/input/input.c63
-rw-r--r--drivers/input/keyboard/atkbd.c99
-rw-r--r--drivers/input/misc/Kconfig10
-rw-r--r--drivers/input/misc/Makefile1
-rw-r--r--drivers/input/misc/uinput.c325
-rw-r--r--drivers/input/misc/wistron_btns.c561
-rw-r--r--drivers/input/serio/serio.c12
-rw-r--r--drivers/media/video/ir-kbd-gpio.c5
-rw-r--r--drivers/media/video/saa7134/saa7134-input.c2
-rw-r--r--include/linux/uinput.h13
12 files changed, 881 insertions, 227 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index f239ac4762ddb4..c5cf7d7e58b241 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2907,6 +2907,11 @@ M: zaga@fly.cc.fer.hr
L: linux-scsi@vger.kernel.org
S: Maintained
+WISTRON LAPTOP BUTTON DRIVER
+P: Miloslav Trmac
+M: mitr@volny.cz
+S: Maintained
+
WL3501 WIRELESS PCMCIA CARD DRIVER
P: Arnaldo Carvalho de Melo
M: acme@conectiva.com.br
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 0506934244f001..caac6d63d46f4a 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -339,14 +339,20 @@ static struct gameport_event *gameport_get_event(void)
return event;
}
-static void gameport_handle_events(void)
+static void gameport_handle_event(void)
{
struct gameport_event *event;
struct gameport_driver *gameport_drv;
down(&gameport_sem);
- while ((event = gameport_get_event())) {
+ /*
+ * Note that we handle only one event here to give swsusp
+ * a chance to freeze kgameportd thread. Gameport events
+ * should be pretty rare so we are not concerned about
+ * taking performance hit.
+ */
+ if ((event = gameport_get_event())) {
switch (event->type) {
case GAMEPORT_REGISTER_PORT:
@@ -433,7 +439,7 @@ static struct gameport *gameport_get_pending_child(struct gameport *parent)
static int gameport_thread(void *nothing)
{
do {
- gameport_handle_events();
+ gameport_handle_event();
wait_event_interruptible(gameport_wait,
kthread_should_stop() || !list_empty(&gameport_event_list));
try_to_freeze();
diff --git a/drivers/input/input.c b/drivers/input/input.c
index c8ae2bb054e026..bdd2a7fc268dac 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -536,7 +536,7 @@ static struct attribute *input_dev_attrs[] = {
NULL
};
-static struct attribute_group input_dev_group = {
+static struct attribute_group input_dev_attr_group = {
.attrs = input_dev_attrs,
};
@@ -717,35 +717,14 @@ struct input_dev *input_allocate_device(void)
return dev;
}
-static void input_register_classdevice(struct input_dev *dev)
-{
- static atomic_t input_no = ATOMIC_INIT(0);
- const char *path;
-
- __module_get(THIS_MODULE);
-
- dev->dev = dev->cdev.dev;
-
- snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
- "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
-
- path = kobject_get_path(&dev->cdev.class->subsys.kset.kobj, GFP_KERNEL);
- printk(KERN_INFO "input: %s as %s/%s\n",
- dev->name ? dev->name : "Unspecified device",
- path ? path : "", dev->cdev.class_id);
- kfree(path);
-
- class_device_add(&dev->cdev);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_group);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
-}
-
int input_register_device(struct input_dev *dev)
{
+ static atomic_t input_no = ATOMIC_INIT(0);
struct input_handle *handle;
struct input_handler *handler;
struct input_device_id *id;
+ const char *path;
+ int error;
if (!dev->dynalloc) {
printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
@@ -773,7 +752,32 @@ int input_register_device(struct input_dev *dev)
INIT_LIST_HEAD(&dev->h_list);
list_add_tail(&dev->node, &input_dev_list);
- input_register_classdevice(dev);
+ dev->cdev.class = &input_class;
+ snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
+ "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
+
+ error = class_device_add(&dev->cdev);
+ if (error)
+ return error;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
+ if (error)
+ goto fail1;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ if (error)
+ goto fail2;
+
+ error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+ if (error)
+ goto fail3;
+
+ __module_get(THIS_MODULE);
+
+ path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+ printk(KERN_INFO "input: %s as %s\n",
+ dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
+ kfree(path);
list_for_each_entry(handler, &input_handler_list, node)
if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
@@ -784,6 +788,11 @@ int input_register_device(struct input_dev *dev)
input_wakeup_procfs_readers();
return 0;
+
+ fail3: sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ fail2: sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ fail1: class_device_del(&dev->cdev);
+ return error;
}
void input_unregister_device(struct input_dev *dev)
@@ -805,7 +814,7 @@ void input_unregister_device(struct input_dev *dev)
sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
- sysfs_remove_group(&dev->cdev.kobj, &input_dev_group);
+ sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
class_device_unregister(&dev->cdev);
input_wakeup_procfs_readers();
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 820c7fd9a6049c..a0256f8de8efab 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -166,6 +166,9 @@ static unsigned char atkbd_unxlate_table[128] = {
#define ATKBD_SPECIAL 248
+#define ATKBD_LED_EVENT_BIT 0
+#define ATKBD_REP_EVENT_BIT 1
+
static struct {
unsigned char keycode;
unsigned char set2;
@@ -211,6 +214,10 @@ struct atkbd {
unsigned char err_xl;
unsigned int last;
unsigned long time;
+
+ struct work_struct event_work;
+ struct semaphore event_sem;
+ unsigned long event_mask;
};
static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
@@ -424,58 +431,86 @@ out:
}
/*
- * Event callback from the input module. Events that change the state of
- * the hardware are processed here.
+ * atkbd_event_work() is used to complete processing of events that
+ * can not be processed by input_event() which is often called from
+ * interrupt context.
*/
-static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static void atkbd_event_work(void *data)
{
- struct atkbd *atkbd = dev->private;
const short period[32] =
{ 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125,
133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
const short delay[4] =
{ 250, 500, 750, 1000 };
+
+ struct atkbd *atkbd = data;
+ struct input_dev *dev = atkbd->dev;
unsigned char param[2];
int i, j;
+ down(&atkbd->event_sem);
+
+ if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) {
+ param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
+ | (test_bit(LED_NUML, dev->led) ? 2 : 0)
+ | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
+
+ if (atkbd->extra) {
+ param[0] = 0;
+ param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
+ | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
+ | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
+ | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
+ | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
+ }
+ }
+
+ if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) {
+ i = j = 0;
+ while (i < 31 && period[i] < dev->rep[REP_PERIOD])
+ i++;
+ while (j < 3 && delay[j] < dev->rep[REP_DELAY])
+ j++;
+ dev->rep[REP_PERIOD] = period[i];
+ dev->rep[REP_DELAY] = delay[j];
+ param[0] = i | (j << 5);
+ ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+ }
+
+ up(&atkbd->event_sem);
+}
+
+/*
+ * Event callback from the input module. Events that change the state of
+ * the hardware are processed here. If action can not be performed in
+ * interrupt context it is offloaded to atkbd_event_work.
+ */
+
+static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+ struct atkbd *atkbd = dev->private;
+
if (!atkbd->write)
return -1;
switch (type) {
case EV_LED:
-
- param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
- | (test_bit(LED_NUML, dev->led) ? 2 : 0)
- | (test_bit(LED_CAPSL, dev->led) ? 4 : 0);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
-
- if (atkbd->extra) {
- param[0] = 0;
- param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
- | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0)
- | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
- | (test_bit(LED_MISC, dev->led) ? 0x10 : 0)
- | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
- }
-
+ set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
return 0;
case EV_REP:
- if (atkbd->softrepeat) return 0;
-
- i = j = 0;
- while (i < 31 && period[i] < dev->rep[REP_PERIOD])
- i++;
- while (j < 3 && delay[j] < dev->rep[REP_DELAY])
- j++;
- dev->rep[REP_PERIOD] = period[i];
- dev->rep[REP_DELAY] = delay[j];
- param[0] = i | (j << 5);
- ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+ if (!atkbd->softrepeat) {
+ set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
+ wmb();
+ schedule_work(&atkbd->event_work);
+ }
return 0;
}
@@ -810,6 +845,8 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
atkbd->dev = dev;
ps2_init(&atkbd->ps2dev, serio);
+ INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd);
+ init_MUTEX(&atkbd->event_sem);
switch (serio->id.type) {
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index b3eaac1b35b641..07813fc0523f85 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -40,6 +40,16 @@ config INPUT_M68K_BEEP
tristate "M68k Beeper support"
depends on M68K
+config INPUT_WISTRON_BTNS
+ tristate "x86 Wistron laptop button interface"
+ depends on X86 && !X86_64
+ help
+ Say Y here for support of Winstron laptop button interface, used on
+ laptops of various brands, including Acer and Fujitsu-Siemens.
+
+ To compile this driver as a module, choose M here: the module will
+ be called wistron_btns.
+
config INPUT_UINPUT
tristate "User level driver support"
help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index f8d01c69f34956..ce44cce012855a 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -9,4 +9,5 @@ obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
obj-$(CONFIG_INPUT_98SPKR) += 98spkr.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
+obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 948c1cc01bc95e..546ed9b4901df2 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -92,24 +92,19 @@ static void uinput_request_done(struct uinput_device *udev, struct uinput_reques
{
/* Mark slot as available */
udev->requests[request->id] = NULL;
- wake_up_interruptible(&udev->requests_waitq);
+ wake_up(&udev->requests_waitq);
complete(&request->done);
}
static int uinput_request_submit(struct input_dev *dev, struct uinput_request *request)
{
- int retval;
-
/* Tell our userspace app about this new request by queueing an input event */
uinput_dev_event(dev, EV_UINPUT, request->code, request->id);
/* Wait for the request to complete */
- retval = wait_for_completion_interruptible(&request->done);
- if (!retval)
- retval = request->retval;
-
- return retval;
+ wait_for_completion(&request->done);
+ return request->retval;
}
static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *effect)
@@ -152,67 +147,62 @@ static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
return retval;
}
-static int uinput_create_device(struct uinput_device *udev)
+static void uinput_destroy_device(struct uinput_device *udev)
{
- if (!udev->dev->name) {
- printk(KERN_DEBUG "%s: write device info first\n", UINPUT_NAME);
- return -EINVAL;
+ const char *name, *phys;
+
+ if (udev->dev) {
+ name = udev->dev->name;
+ phys = udev->dev->phys;
+ if (udev->state == UIST_CREATED)
+ input_unregister_device(udev->dev);
+ else
+ input_free_device(udev->dev);
+ kfree(name);
+ kfree(phys);
+ udev->dev = NULL;
}
- udev->dev->event = uinput_dev_event;
- udev->dev->upload_effect = uinput_dev_upload_effect;
- udev->dev->erase_effect = uinput_dev_erase_effect;
- udev->dev->private = udev;
-
- init_waitqueue_head(&udev->waitq);
-
- input_register_device(udev->dev);
-
- set_bit(UIST_CREATED, &udev->state);
-
- return 0;
+ udev->state = UIST_NEW_DEVICE;
}
-static int uinput_destroy_device(struct uinput_device *udev)
+static int uinput_create_device(struct uinput_device *udev)
{
- if (!test_bit(UIST_CREATED, &udev->state)) {
- printk(KERN_WARNING "%s: create the device first\n", UINPUT_NAME);
+ int error;
+
+ if (udev->state != UIST_SETUP_COMPLETE) {
+ printk(KERN_DEBUG "%s: write device info first\n", UINPUT_NAME);
return -EINVAL;
}
- input_unregister_device(udev->dev);
+ error = input_register_device(udev->dev);
+ if (error) {
+ uinput_destroy_device(udev);
+ return error;
+ }
- clear_bit(UIST_CREATED, &udev->state);
+ udev->state = UIST_CREATED;
return 0;
}
static int uinput_open(struct inode *inode, struct file *file)
{
- struct uinput_device *newdev;
- struct input_dev *newinput;
+ struct uinput_device *newdev;
- newdev = kmalloc(sizeof(struct uinput_device), GFP_KERNEL);
+ newdev = kzalloc(sizeof(struct uinput_device), GFP_KERNEL);
if (!newdev)
- goto error;
- memset(newdev, 0, sizeof(struct uinput_device));
+ return -ENOMEM;
+
+ init_MUTEX(&newdev->sem);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
-
- newinput = kmalloc(sizeof(struct input_dev), GFP_KERNEL);
- if (!newinput)
- goto cleanup;
- memset(newinput, 0, sizeof(struct input_dev));
-
- newdev->dev = newinput;
+ init_waitqueue_head(&newdev->waitq);
+ newdev->state = UIST_NEW_DEVICE;
file->private_data = newdev;
return 0;
-cleanup:
- kfree(newdev);
-error:
- return -ENOMEM;
}
static int uinput_validate_absbits(struct input_dev *dev)
@@ -246,34 +236,55 @@ static int uinput_validate_absbits(struct input_dev *dev)
return retval;
}
-static int uinput_alloc_device(struct file *file, const char __user *buffer, size_t count)
+static int uinput_allocate_device(struct uinput_device *udev)
+{
+ udev->dev = input_allocate_device();
+ if (!udev->dev)
+ return -ENOMEM;
+
+ udev->dev->event = uinput_dev_event;
+ udev->dev->upload_effect = uinput_dev_upload_effect;
+ udev->dev->erase_effect = uinput_dev_erase_effect;
+ udev->dev->private = udev;
+
+ return 0;
+}
+
+static int uinput_setup_device(struct uinput_device *udev, const char __user *buffer, size_t count)
{
struct uinput_user_dev *user_dev;
struct input_dev *dev;
- struct uinput_device *udev;
char *name;
int size;
int retval;
- retval = count;
+ if (count != sizeof(struct uinput_user_dev))
+ return -EINVAL;
+
+ if (!udev->dev) {
+ retval = uinput_allocate_device(udev);
+ if (retval)
+ return retval;
+ }
- udev = file->private_data;
dev = udev->dev;
user_dev = kmalloc(sizeof(struct uinput_user_dev), GFP_KERNEL);
- if (!user_dev) {
- retval = -ENOMEM;
- goto exit;
- }
+ if (!user_dev)
+ return -ENOMEM;
if (copy_from_user(user_dev, buffer, sizeof(struct uinput_user_dev))) {
retval = -EFAULT;
goto exit;
}
- kfree(dev->name);
-
size = strnlen(user_dev->name, UINPUT_MAX_NAME_SIZE) + 1;
+ if (!size) {
+ retval = -EINVAL;
+ goto exit;
+ }
+
+ kfree(dev->name);
dev->name = name = kmalloc(size, GFP_KERNEL);
if (!name) {
retval = -ENOMEM;
@@ -296,32 +307,50 @@ static int uinput_alloc_device(struct file *file, const char __user *buffer, siz
/* check if absmin/absmax/absfuzz/absflat are filled as
* told in Documentation/input/input-programming.txt */
if (test_bit(EV_ABS, dev->evbit)) {
- int err = uinput_validate_absbits(dev);
- if (err < 0) {
- retval = err;
- kfree(dev->name);
- }
+ retval = uinput_validate_absbits(dev);
+ if (retval < 0)
+ goto exit;
}
-exit:
+ udev->state = UIST_SETUP_COMPLETE;
+ retval = count;
+
+ exit:
kfree(user_dev);
return retval;
}
+static inline ssize_t uinput_inject_event(struct uinput_device *udev, const char __user *buffer, size_t count)
+{
+ struct input_event ev;
+
+ if (count != sizeof(struct input_event))
+ return -EINVAL;
+
+ if (copy_from_user(&ev, buffer, sizeof(struct input_event)))
+ return -EFAULT;
+
+ input_event(udev->dev, ev.type, ev.code, ev.value);
+
+ return sizeof(struct input_event);
+}
+
static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
{
struct uinput_device *udev = file->private_data;
+ int retval;
+
+ retval = down_interruptible(&udev->sem);
+ if (retval)
+ return retval;
- if (test_bit(UIST_CREATED, &udev->state)) {
- struct input_event ev;
+ retval = udev->state == UIST_CREATED ?
+ uinput_inject_event(udev, buffer, count) :
+ uinput_setup_device(udev, buffer, count);
- if (copy_from_user(&ev, buffer, sizeof(struct input_event)))
- return -EFAULT;
- input_event(udev->dev, ev.type, ev.code, ev.value);
- } else
- count = uinput_alloc_device(file, buffer, count);
+ up(&udev->sem);
- return count;
+ return retval;
}
static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
@@ -329,28 +358,38 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count,
struct uinput_device *udev = file->private_data;
int retval = 0;
- if (!test_bit(UIST_CREATED, &udev->state))
+ if (udev->state != UIST_CREATED)
return -ENODEV;
if (udev->head == udev->tail && (file->f_flags & O_NONBLOCK))
return -EAGAIN;
retval = wait_event_interruptible(udev->waitq,
- udev->head != udev->tail || !test_bit(UIST_CREATED, &udev->state));
+ udev->head != udev->tail || udev->state != UIST_CREATED);
if (retval)
return retval;
- if (!test_bit(UIST_CREATED, &udev->state))
- return -ENODEV;
+ retval = down_interruptible(&udev->sem);
+ if (retval)
+ return retval;
- while ((udev->head != udev->tail) &&
- (retval + sizeof(struct input_event) <= count)) {
- if (copy_to_user(buffer + retval, &udev->buff[udev->tail], sizeof(struct input_event)))
- return -EFAULT;
+ if (udev->state != UIST_CREATED) {
+ retval = -ENODEV;
+ goto out;
+ }
+
+ while (udev->head != udev->tail && retval + sizeof(struct input_event) <= count) {
+ if (copy_to_user(buffer + retval, &udev->buff[udev->tail], sizeof(struct input_event))) {
+ retval = -EFAULT;
+ goto out;
+ }
udev->tail = (udev->tail + 1) % UINPUT_BUFFER_SIZE;
retval += sizeof(struct input_event);
}
+ out:
+ up(&udev->sem);
+
return retval;
}
@@ -366,28 +405,30 @@ static unsigned int uinput_poll(struct file *file, poll_table *wait)
return 0;
}
-static int uinput_burn_device(struct uinput_device *udev)
+static int uinput_release(struct inode *inode, struct file *file)
{
- if (test_bit(UIST_CREATED, &udev->state))
- uinput_destroy_device(udev);
+ struct uinput_device *udev = file->private_data;
- kfree(udev->dev->name);
- kfree(udev->dev->phys);
- kfree(udev->dev);
+ uinput_destroy_device(udev);
kfree(udev);
return 0;
}
-static int uinput_close(struct inode *inode, struct file *file)
+#define uinput_set_bit(_arg, _bit, _max) \
+({ \
+ int __ret = 0; \
+ if (udev->state == UIST_CREATED) \
+ __ret = -EINVAL; \
+ else if ((_arg) > (_max)) \
+ __ret = -EINVAL; \
+ else set_bit((_arg), udev->dev->_bit); \
+ __ret; \
+})
+
+static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- uinput_burn_device(file->private_data);
- return 0;
-}
-
-static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-{
- int retval = 0;
+ int retval;
struct uinput_device *udev;
void __user *p = (void __user *)arg;
struct uinput_ff_upload ff_up;
@@ -398,19 +439,14 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
udev = file->private_data;
- /* device attributes can not be changed after the device is created */
- switch (cmd) {
- case UI_SET_EVBIT:
- case UI_SET_KEYBIT:
- case UI_SET_RELBIT:
- case UI_SET_ABSBIT:
- case UI_SET_MSCBIT:
- case UI_SET_LEDBIT:
- case UI_SET_SNDBIT:
- case UI_SET_FFBIT:
- case UI_SET_PHYS:
- if (test_bit(UIST_CREATED, &udev->state))
- return -EINVAL;
+ retval = down_interruptible(&udev->sem);
+ if (retval)
+ return retval;
+
+ if (!udev->dev) {
+ retval = uinput_allocate_device(udev);
+ if (retval)
+ goto out;
}
switch (cmd) {
@@ -419,74 +455,50 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
break;
case UI_DEV_DESTROY:
- retval = uinput_destroy_device(udev);
+ uinput_destroy_device(udev);
break;
case UI_SET_EVBIT:
- if (arg > EV_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->evbit);
+ retval = uinput_set_bit(arg, evbit, EV_MAX);
break;
case UI_SET_KEYBIT:
- if (arg > KEY_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->keybit);
+ retval = uinput_set_bit(arg, keybit, KEY_MAX);
break;
case UI_SET_RELBIT:
- if (arg > REL_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->relbit);
+ retval = uinput_set_bit(arg, relbit, REL_MAX);
break;
case UI_SET_ABSBIT:
- if (arg > ABS_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->absbit);
+ retval = uinput_set_bit(arg, absbit, ABS_MAX);
break;
case UI_SET_MSCBIT:
- if (arg > MSC_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->mscbit);
+ retval = uinput_set_bit(arg, mscbit, MSC_MAX);
break;
case UI_SET_LEDBIT:
- if (arg > LED_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->ledbit);
+ retval = uinput_set_bit(arg, ledbit, LED_MAX);
break;
case UI_SET_SNDBIT:
- if (arg > SND_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->sndbit);
+ retval = uinput_set_bit(arg, sndbit, SND_MAX);
break;
case UI_SET_FFBIT:
- if (arg > FF_MAX) {
- retval = -EINVAL;
- break;
- }
- set_bit(arg, udev->dev->ffbit);
+ retval = uinput_set_bit(arg, ffbit, FF_MAX);
+ break;
+
+ case UI_SET_SWBIT:
+ retval = uinput_set_bit(arg, swbit, SW_MAX);
break;
case UI_SET_PHYS:
+ if (udev->state == UIST_CREATED) {
+ retval = -EINVAL;
+ goto out;
+ }
length = strnlen_user(p, 1024);
if (length <= 0) {
retval = -EFAULT;
@@ -575,23 +587,26 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
default:
retval = -EINVAL;
}
+
+ out:
+ up(&udev->sem);
return retval;
}
static struct file_operations uinput_fops = {
- .owner = THIS_MODULE,
- .open = uinput_open,
- .release = uinput_close,
- .read = uinput_read,
- .write = uinput_write,
- .poll = uinput_poll,
- .ioctl = uinput_ioctl,
+ .owner = THIS_MODULE,
+ .open = uinput_open,
+ .release = uinput_release,
+ .read = uinput_read,
+ .write = uinput_write,
+ .poll = uinput_poll,
+ .unlocked_ioctl = uinput_ioctl,
};
static struct miscdevice uinput_misc = {
- .fops = &uinput_fops,
- .minor = UINPUT_MINOR,
- .name = UINPUT_NAME,
+ .fops = &uinput_fops,
+ .minor = UINPUT_MINOR,
+ .name = UINPUT_NAME,
};
static int __init uinput_init(void)
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
new file mode 100644
index 00000000000000..49d0416a2a9a9d
--- /dev/null
+++ b/drivers/input/misc/wistron_btns.c
@@ -0,0 +1,561 @@
+/*
+ * 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
+ * Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <asm/io.h>
+#include <linux/dmi.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/module.h>
+#include <linux/preempt.h>
+#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;
+ * the queue can hold up to 31 entries
+ */
+#define MAX_POLL_ITERATIONS 64
+
+#define POLL_FREQUENCY 10 /* Number of polls per second */
+
+#if POLL_FREQUENCY > HZ
+#error "POLL_FREQUENCY too high"
+#endif
+
+/* BIOS subsystem IDs */
+#define WIFI 0x35
+#define BLUETOOTH 0x34
+
+MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
+MODULE_DESCRIPTION("Wistron laptop button driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0.1");
+
+static int force; /* = 0; */
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Load even if computer is not in database");
+
+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 */
+static void __iomem *bios_code_map_base;
+static void __iomem *bios_data_map_base;
+
+static u8 cmos_address;
+
+struct regs {
+ u32 eax, ebx, ecx;
+};
+
+static void call_bios(struct regs *regs)
+{
+ unsigned long flags;
+
+ preempt_disable();
+ local_irq_save(flags);
+ asm volatile ("pushl %%ebp;"
+ "movl %7, %%ebp;"
+ "call *%6;"
+ "popl %%ebp"
+ : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
+ : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
+ "m" (bios_entry_point), "m" (bios_data_map_base)
+ : "edx", "edi", "esi", "memory");
+ local_irq_restore(flags);
+ preempt_enable();
+}
+
+static size_t __init locate_wistron_bios(void __iomem *base)
+{
+ static const unsigned char __initdata signature[] =
+ { 0x42, 0x21, 0x55, 0x30 };
+ size_t offset;
+
+ for (offset = 0; offset < 0x10000; offset += 0x10) {
+ if (check_signature(base + offset, signature,
+ sizeof(signature)) != 0)
+ return offset;
+ }
+ return -1;
+}
+
+static int __init map_bios(void)
+{
+ void __iomem *base;
+ size_t offset;
+ u32 entry_point;
+
+ base = ioremap(0xF0000, 0x10000); /* Can't fail */
+ offset = locate_wistron_bios(base);
+ if (offset < 0) {
+ printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
+ iounmap(base);
+ return -ENODEV;
+ }
+
+ entry_point = readl(base + offset + 5);
+ printk(KERN_DEBUG
+ "wistron_btns: BIOS signature found at %p, entry point %08X\n",
+ base + offset, entry_point);
+
+ if (entry_point >= 0xF0000) {
+ bios_code_map_base = base;
+ bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
+ } else {
+ iounmap(base);
+ bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
+ if (bios_code_map_base == NULL) {
+ printk(KERN_ERR
+ "wistron_btns: Can't map BIOS code at %08X\n",
+ entry_point & ~0x3FFF);
+ goto err;
+ }
+ bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
+ }
+ /* The Windows driver maps 0x10000 bytes, we keep only one page... */
+ bios_data_map_base = ioremap(0x400, 0xc00);
+ if (bios_data_map_base == NULL) {
+ printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
+ goto err_code;
+ }
+ return 0;
+
+err_code:
+ iounmap(bios_code_map_base);
+err:
+ return -ENOMEM;
+}
+
+static inline void unmap_bios(void)
+{
+ iounmap(bios_code_map_base);
+ iounmap(bios_data_map_base);
+}
+
+ /* BIOS calls */
+
+static u16 bios_pop_queue(void)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x061C;
+ regs.ecx = 0x0000;
+ call_bios(&regs);
+
+ return regs.eax;
+}
+
+static void __init bios_attach(void)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x012E;
+ call_bios(&regs);
+}
+
+static void bios_detach(void)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x002E;
+ call_bios(&regs);
+}
+
+static u8 __init bios_get_cmos_address(void)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x051C;
+ call_bios(&regs);
+
+ return regs.ecx;
+}
+
+static u16 __init bios_get_default_setting(u8 subsys)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = 0x0200 | subsys;
+ call_bios(&regs);
+
+ return regs.eax;
+}
+
+static void bios_set_state(u8 subsys, int enable)
+{
+ struct regs regs;
+
+ memset(&regs, 0, sizeof (regs));
+ regs.eax = 0x9610;
+ regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
+ call_bios(&regs);
+}
+
+/* Hardware database */
+
+struct key_entry {
+ char type; /* See KE_* below */
+ u8 code;
+ unsigned keycode; /* For KE_KEY */
+};
+
+enum { KE_END, KE_KEY, KE_WIFI, KE_BLUETOOTH };
+
+static const struct key_entry *keymap; /* = NULL; Current key map */
+static int have_wifi;
+static int have_bluetooth;
+
+static int __init dmi_matched(struct dmi_system_id *dmi)
+{
+ const struct key_entry *key;
+
+ keymap = dmi->driver_data;
+ for (key = keymap; key->type != KE_END; key++) {
+ if (key->type == KE_WIFI) {
+ have_wifi = 1;
+ break;
+ } else if (key->type == KE_BLUETOOTH) {
+ have_bluetooth = 1;
+ break;
+ }
+ }
+ return 1;
+}
+
+static struct key_entry keymap_empty[] = {
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v2000[] = {
+ { KE_KEY, 0x01, KEY_HELP },
+ { KE_KEY, 0x11, KEY_PROG1 },
+ { KE_KEY, 0x12, KEY_PROG2 },
+ { KE_WIFI, 0x30, 0 },
+ { KE_KEY, 0x31, KEY_MAIL },
+ { KE_KEY, 0x36, KEY_WWW },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_wistron_ms2141[] = {
+ { KE_KEY, 0x11, KEY_PROG1 },
+ { KE_KEY, 0x12, KEY_PROG2 },
+ { KE_WIFI, 0x30, 0 },
+ { KE_KEY, 0x22, KEY_REWIND },
+ { KE_KEY, 0x23, KEY_FORWARD },
+ { KE_KEY, 0x24, KEY_PLAYPAUSE },
+ { KE_KEY, 0x25, KEY_STOPCD },
+ { KE_KEY, 0x31, KEY_MAIL },
+ { KE_KEY, 0x36, KEY_WWW },
+ { KE_END, 0 }
+};
+
+static struct key_entry keymap_acer_aspire_1500[] = {
+ { KE_KEY, 0x11, KEY_PROG1 },
+ { KE_KEY, 0x12, KEY_PROG2 },
+ { KE_WIFI, 0x30, 0 },
+ { KE_KEY, 0x31, KEY_MAIL },
+ { KE_KEY, 0x36, KEY_WWW },
+ { KE_BLUETOOTH, 0x44, 0 },
+ { KE_END, 0 }
+};
+
+/*
+ * If your machine is not here (which is currently rather likely), please send
+ * a list of buttons and their key codes (reported when loading this module
+ * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
+ */
+static struct dmi_system_id dmi_ids[] = {
+ {
+ .callback = dmi_matched,
+ .ident = "Fujitsu-Siemens Amilo Pro V2000",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
+ },
+ .driver_data = keymap_fs_amilo_pro_v2000
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Acer Aspire 1500",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
+ },
+ .driver_data = keymap_acer_aspire_1500
+ },
+ { 0, }
+};
+
+static int __init select_keymap(void)
+{
+ if (keymap_name != NULL) {
+ if (strcmp (keymap_name, "1557/MS2141") == 0)
+ keymap = keymap_wistron_ms2141;
+ else {
+ printk(KERN_ERR "wistron_btns: Keymap unknown\n");
+ return -EINVAL;
+ }
+ }
+ dmi_check_system(dmi_ids);
+ if (keymap == NULL) {
+ if (!force) {
+ printk(KERN_ERR "wistron_btns: System unknown\n");
+ return -ENODEV;
+ }
+ keymap = keymap_empty;
+ }
+ return 0;
+}
+
+ /* Input layer interface */
+
+static struct input_dev *input_dev;
+
+static int __init setup_input_dev(void)
+{
+ const struct key_entry *key;
+ int error;
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
+
+ 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) {
+ input_dev->evbit[LONG(EV_KEY)] = BIT(EV_KEY);
+ set_bit(key->keycode, input_dev->keybit);
+ }
+ }
+
+ error = input_register_device(input_dev);
+ if (error) {
+ input_free_device(input_dev);
+ return error;
+ }
+
+ return 0;
+}
+
+static void report_key(unsigned keycode)
+{
+ input_report_key(input_dev, keycode, 1);
+ input_sync(input_dev);
+ input_report_key(input_dev, keycode, 0);
+ input_sync(input_dev);
+}
+
+ /* Driver core */
+
+static int wifi_enabled;
+static int bluetooth_enabled;
+
+static void poll_bios(unsigned long);
+
+static struct timer_list poll_timer = TIMER_INITIALIZER(poll_bios, 0, 0);
+
+static void handle_key(u8 code)
+{
+ const struct key_entry *key;
+
+ for (key = keymap; key->type != KE_END; key++) {
+ if (code == key->code) {
+ switch (key->type) {
+ case KE_KEY:
+ report_key(key->keycode);
+ break;
+
+ case KE_WIFI:
+ if (have_wifi) {
+ wifi_enabled = !wifi_enabled;
+ bios_set_state(WIFI, wifi_enabled);
+ }
+ break;
+
+ case KE_BLUETOOTH:
+ if (have_bluetooth) {
+ bluetooth_enabled = !bluetooth_enabled;
+ bios_set_state(BLUETOOTH, bluetooth_enabled);
+ }
+ break;
+
+ case KE_END:
+ default:
+ BUG();
+ }
+ return;
+ }
+ }
+ printk(KERN_NOTICE "wistron_btns: Unknown key code %02X\n", code);
+}
+
+static void poll_bios(unsigned long discard)
+{
+ u8 qlen;
+ u16 val;
+
+ for (;;) {
+ qlen = CMOS_READ(cmos_address);
+ if (qlen == 0)
+ break;
+ val = bios_pop_queue();
+ if (val != 0 && !discard)
+ handle_key((u8)val);
+ }
+
+ 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);
+
+ if (have_wifi)
+ bios_set_state(WIFI, 0);
+
+ if (have_bluetooth)
+ bios_set_state(BLUETOOTH, 0);
+
+ 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;
+
+ err = select_keymap();
+ if (err)
+ return err;
+
+ err = map_bios();
+ if (err)
+ return err;
+
+ 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)
+ wifi_enabled = (wifi & 2) ? 1 : 0;
+ else
+ have_wifi = 0;
+
+ if (have_wifi)
+ bios_set_state(WIFI, wifi_enabled);
+ }
+
+ if (have_bluetooth) {
+ u16 bt = bios_get_default_setting(BLUETOOTH);
+ if (bt & 1)
+ bluetooth_enabled = (bt & 2) ? 1 : 0;
+ else
+ have_bluetooth = 0;
+
+ if (have_bluetooth)
+ bios_set_state(BLUETOOTH, bluetooth_enabled);
+ }
+
+ err = setup_input_dev();
+ 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();
+}
+
+module_init(wb_module_init);
+module_exit(wb_module_exit);
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index edd15db1771585..fbb69ef6a77b0a 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -269,14 +269,20 @@ static struct serio_event *serio_get_event(void)
return event;
}
-static void serio_handle_events(void)
+static void serio_handle_event(void)
{
struct serio_event *event;
struct serio_driver *serio_drv;
down(&serio_sem);
- while ((event = serio_get_event())) {
+ /*
+ * Note that we handle only one event here to give swsusp
+ * a chance to freeze kseriod thread. Serio events should
+ * be pretty rare so we are not concerned about taking
+ * performance hit.
+ */
+ if ((event = serio_get_event())) {
switch (event->type) {
case SERIO_REGISTER_PORT:
@@ -368,7 +374,7 @@ static struct serio *serio_get_pending_child(struct serio *parent)
static int serio_thread(void *nothing)
{
do {
- serio_handle_events();
+ serio_handle_event();
wait_event_interruptible(serio_wait,
kthread_should_stop() || !list_empty(&serio_event_list));
try_to_freeze();
diff --git a/drivers/media/video/ir-kbd-gpio.c b/drivers/media/video/ir-kbd-gpio.c
index 5abfc0fbf6de98..6345e29e4951c2 100644
--- a/drivers/media/video/ir-kbd-gpio.c
+++ b/drivers/media/video/ir-kbd-gpio.c
@@ -673,7 +673,6 @@ static int ir_probe(struct device *dev)
snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
pci_name(sub->core->pci));
- ir->sub = sub;
ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
input_dev->name = ir->name;
input_dev->phys = ir->phys;
@@ -688,6 +687,9 @@ static int ir_probe(struct device *dev)
}
input_dev->cdev.dev = &sub->core->pci->dev;
+ ir->input = input_dev;
+ ir->sub = sub;
+
if (ir->polling) {
INIT_WORK(&ir->work, ir_work, ir);
init_timer(&ir->timer);
@@ -708,7 +710,6 @@ static int ir_probe(struct device *dev)
/* all done */
dev_set_drvdata(dev, ir);
input_register_device(ir->input);
- printk(DEVNAME ": %s detected at %s\n",ir->name,ir->phys);
/* the remote isn't as bouncy as a keyboard */
ir->input->rep[REP_DELAY] = repeat_delay;
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index e648cc3bc96d33..ab75ca5ac356b1 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -713,6 +713,8 @@ int saa7134_input_init1(struct saa7134_dev *dev)
return -ENOMEM;
}
+ ir->dev = input_dev;
+
/* init hardware-specific stuff */
ir->mask_keycode = mask_keycode;
ir->mask_keydown = mask_keydown;
diff --git a/include/linux/uinput.h b/include/linux/uinput.h
index 84876077027fb6..0ff7ca68e5c534 100644
--- a/include/linux/uinput.h
+++ b/include/linux/uinput.h
@@ -34,8 +34,7 @@
#define UINPUT_BUFFER_SIZE 16
#define UINPUT_NUM_REQUESTS 16
-/* state flags => bit index for {set|clear|test}_bit ops */
-#define UIST_CREATED 0
+enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };
struct uinput_request {
int id;
@@ -52,11 +51,12 @@ struct uinput_request {
struct uinput_device {
struct input_dev *dev;
- unsigned long state;
+ struct semaphore sem;
+ enum uinput_state state;
wait_queue_head_t waitq;
- unsigned char ready,
- head,
- tail;
+ unsigned char ready;
+ unsigned char head;
+ unsigned char tail;
struct input_event buff[UINPUT_BUFFER_SIZE];
struct uinput_request *requests[UINPUT_NUM_REQUESTS];
@@ -91,6 +91,7 @@ struct uinput_ff_erase {
#define UI_SET_SNDBIT _IOW(UINPUT_IOCTL_BASE, 106, int)
#define UI_SET_FFBIT _IOW(UINPUT_IOCTL_BASE, 107, int)
#define UI_SET_PHYS _IOW(UINPUT_IOCTL_BASE, 108, char*)
+#define UI_SET_SWBIT _IOW(UINPUT_IOCTL_BASE, 109, int)
#define UI_BEGIN_FF_UPLOAD _IOWR(UINPUT_IOCTL_BASE, 200, struct uinput_ff_upload)
#define UI_END_FF_UPLOAD _IOW(UINPUT_IOCTL_BASE, 201, struct uinput_ff_upload)
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-18 02:53:09 +0000