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path: root/drivers/input/input.c
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Diffstat (limited to 'drivers/input/input.c')
-rw-r--r--drivers/input/input.c92
1 files changed, 18 insertions, 74 deletions
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 7985114beac7..d6e8bd8a851c 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -75,7 +75,6 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz)
* dev->event_lock held and interrupts disabled.
*/
static void input_pass_event(struct input_dev *dev,
- struct input_handler *src_handler,
unsigned int type, unsigned int code, int value)
{
struct input_handler *handler;
@@ -94,15 +93,6 @@ static void input_pass_event(struct input_dev *dev,
continue;
handler = handle->handler;
-
- /*
- * If this is the handler that injected this
- * particular event we want to skip it to avoid
- * filters firing again and again.
- */
- if (handler == src_handler)
- continue;
-
if (!handler->filter) {
if (filtered)
break;
@@ -132,7 +122,7 @@ static void input_repeat_key(unsigned long data)
if (test_bit(dev->repeat_key, dev->key) &&
is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
- input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2);
+ input_pass_event(dev, EV_KEY, dev->repeat_key, 2);
if (dev->sync) {
/*
@@ -141,7 +131,7 @@ static void input_repeat_key(unsigned long data)
* Otherwise assume that the driver will send
* SYN_REPORT once it's done.
*/
- input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
}
if (dev->rep[REP_PERIOD])
@@ -174,7 +164,6 @@ static void input_stop_autorepeat(struct input_dev *dev)
#define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
static int input_handle_abs_event(struct input_dev *dev,
- struct input_handler *src_handler,
unsigned int code, int *pval)
{
bool is_mt_event;
@@ -218,15 +207,13 @@ static int input_handle_abs_event(struct input_dev *dev,
/* Flush pending "slot" event */
if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
- input_pass_event(dev, src_handler,
- EV_ABS, ABS_MT_SLOT, dev->slot);
+ input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
}
return INPUT_PASS_TO_HANDLERS;
}
static void input_handle_event(struct input_dev *dev,
- struct input_handler *src_handler,
unsigned int type, unsigned int code, int value)
{
int disposition = INPUT_IGNORE_EVENT;
@@ -279,8 +266,7 @@ static void input_handle_event(struct input_dev *dev,
case EV_ABS:
if (is_event_supported(code, dev->absbit, ABS_MAX))
- disposition = input_handle_abs_event(dev, src_handler,
- code, &value);
+ disposition = input_handle_abs_event(dev, code, &value);
break;
@@ -338,7 +324,7 @@ static void input_handle_event(struct input_dev *dev,
dev->event(dev, type, code, value);
if (disposition & INPUT_PASS_TO_HANDLERS)
- input_pass_event(dev, src_handler, type, code, value);
+ input_pass_event(dev, type, code, value);
}
/**
@@ -367,7 +353,7 @@ void input_event(struct input_dev *dev,
spin_lock_irqsave(&dev->event_lock, flags);
add_input_randomness(type, code, value);
- input_handle_event(dev, NULL, type, code, value);
+ input_handle_event(dev, type, code, value);
spin_unlock_irqrestore(&dev->event_lock, flags);
}
}
@@ -397,8 +383,7 @@ void input_inject_event(struct input_handle *handle,
rcu_read_lock();
grab = rcu_dereference(dev->grab);
if (!grab || grab == handle)
- input_handle_event(dev, handle->handler,
- type, code, value);
+ input_handle_event(dev, type, code, value);
rcu_read_unlock();
spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -611,10 +596,10 @@ static void input_dev_release_keys(struct input_dev *dev)
for (code = 0; code <= KEY_MAX; code++) {
if (is_event_supported(code, dev->keybit, KEY_MAX) &&
__test_and_clear_bit(code, dev->key)) {
- input_pass_event(dev, NULL, EV_KEY, code, 0);
+ input_pass_event(dev, EV_KEY, code, 0);
}
}
- input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
}
}
@@ -806,22 +791,9 @@ int input_get_keycode(struct input_dev *dev, struct input_keymap_entry *ke)
int retval;
spin_lock_irqsave(&dev->event_lock, flags);
-
- if (dev->getkeycode) {
- /*
- * Support for legacy drivers, that don't implement the new
- * ioctls
- */
- u32 scancode = ke->index;
-
- memcpy(ke->scancode, &scancode, sizeof(scancode));
- ke->len = sizeof(scancode);
- retval = dev->getkeycode(dev, scancode, &ke->keycode);
- } else {
- retval = dev->getkeycode_new(dev, ke);
- }
-
+ retval = dev->getkeycode(dev, ke);
spin_unlock_irqrestore(&dev->event_lock, flags);
+
return retval;
}
EXPORT_SYMBOL(input_get_keycode);
@@ -846,35 +818,7 @@ int input_set_keycode(struct input_dev *dev,
spin_lock_irqsave(&dev->event_lock, flags);
- if (dev->setkeycode) {
- /*
- * Support for legacy drivers, that don't implement the new
- * ioctls
- */
- unsigned int scancode;
-
- retval = input_scancode_to_scalar(ke, &scancode);
- if (retval)
- goto out;
-
- /*
- * We need to know the old scancode, in order to generate a
- * keyup effect, if the set operation happens successfully
- */
- if (!dev->getkeycode) {
- retval = -EINVAL;
- goto out;
- }
-
- retval = dev->getkeycode(dev, scancode, &old_keycode);
- if (retval)
- goto out;
-
- retval = dev->setkeycode(dev, scancode, ke->keycode);
- } else {
- retval = dev->setkeycode_new(dev, ke, &old_keycode);
- }
-
+ retval = dev->setkeycode(dev, ke, &old_keycode);
if (retval)
goto out;
@@ -889,9 +833,9 @@ int input_set_keycode(struct input_dev *dev,
!is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
__test_and_clear_bit(old_keycode, dev->key)) {
- input_pass_event(dev, NULL, EV_KEY, old_keycode, 0);
+ input_pass_event(dev, EV_KEY, old_keycode, 0);
if (dev->sync)
- input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
+ input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
}
out:
@@ -1861,11 +1805,11 @@ int input_register_device(struct input_dev *dev)
dev->rep[REP_PERIOD] = 33;
}
- if (!dev->getkeycode && !dev->getkeycode_new)
- dev->getkeycode_new = input_default_getkeycode;
+ if (!dev->getkeycode)
+ dev->getkeycode = input_default_getkeycode;
- if (!dev->setkeycode && !dev->setkeycode_new)
- dev->setkeycode_new = input_default_setkeycode;
+ if (!dev->setkeycode)
+ dev->setkeycode = input_default_setkeycode;
dev_set_name(&dev->dev, "input%ld",
(unsigned long) atomic_inc_return(&input_no) - 1);
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-04 14:37:52 +0300