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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-07-15 10:06:42 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-15 10:06:42 +0100
commit4aa96ccf9ee35cdbd0d423e87a4d551019570218 (patch)
treedca6322681df2e8f33f65c07defce24db68f645c /drivers/media/rc/rc-main.c
parentcb5fd904f0f14866ab76ec1f6ca3469896e4e2cf (diff)
parent8f2ffa00fb3c05ec0659cd7b056c4e8e106072f1 (diff)
Merge branch 'kprobes-thumb' of git://git.yxit.co.uk/linux into devel-stable
Diffstat (limited to 'drivers/media/rc/rc-main.c')
-rw-r--r--drivers/media/rc/rc-main.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index f57cd5677ac..3186ac7c2c1 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -522,18 +522,20 @@ EXPORT_SYMBOL_GPL(rc_g_keycode_from_table);
/**
* ir_do_keyup() - internal function to signal the release of a keypress
* @dev: the struct rc_dev descriptor of the device
+ * @sync: whether or not to call input_sync
*
* This function is used internally to release a keypress, it must be
* called with keylock held.
*/
-static void ir_do_keyup(struct rc_dev *dev)
+static void ir_do_keyup(struct rc_dev *dev, bool sync)
{
if (!dev->keypressed)
return;
IR_dprintk(1, "keyup key 0x%04x\n", dev->last_keycode);
input_report_key(dev->input_dev, dev->last_keycode, 0);
- input_sync(dev->input_dev);
+ if (sync)
+ input_sync(dev->input_dev);
dev->keypressed = false;
}
@@ -549,7 +551,7 @@ void rc_keyup(struct rc_dev *dev)
unsigned long flags;
spin_lock_irqsave(&dev->keylock, flags);
- ir_do_keyup(dev);
+ ir_do_keyup(dev, true);
spin_unlock_irqrestore(&dev->keylock, flags);
}
EXPORT_SYMBOL_GPL(rc_keyup);
@@ -578,7 +580,7 @@ static void ir_timer_keyup(unsigned long cookie)
*/
spin_lock_irqsave(&dev->keylock, flags);
if (time_is_before_eq_jiffies(dev->keyup_jiffies))
- ir_do_keyup(dev);
+ ir_do_keyup(dev, true);
spin_unlock_irqrestore(&dev->keylock, flags);
}
@@ -597,6 +599,7 @@ void rc_repeat(struct rc_dev *dev)
spin_lock_irqsave(&dev->keylock, flags);
input_event(dev->input_dev, EV_MSC, MSC_SCAN, dev->last_scancode);
+ input_sync(dev->input_dev);
if (!dev->keypressed)
goto out;
@@ -622,29 +625,28 @@ EXPORT_SYMBOL_GPL(rc_repeat);
static void ir_do_keydown(struct rc_dev *dev, int scancode,
u32 keycode, u8 toggle)
{
- input_event(dev->input_dev, EV_MSC, MSC_SCAN, scancode);
-
- /* Repeat event? */
- if (dev->keypressed &&
- dev->last_scancode == scancode &&
- dev->last_toggle == toggle)
- return;
+ bool new_event = !dev->keypressed ||
+ dev->last_scancode != scancode ||
+ dev->last_toggle != toggle;
- /* Release old keypress */
- ir_do_keyup(dev);
+ if (new_event && dev->keypressed)
+ ir_do_keyup(dev, false);
- dev->last_scancode = scancode;
- dev->last_toggle = toggle;
- dev->last_keycode = keycode;
+ input_event(dev->input_dev, EV_MSC, MSC_SCAN, scancode);
- if (keycode == KEY_RESERVED)
- return;
+ if (new_event && keycode != KEY_RESERVED) {
+ /* Register a keypress */
+ dev->keypressed = true;
+ dev->last_scancode = scancode;
+ dev->last_toggle = toggle;
+ dev->last_keycode = keycode;
+
+ IR_dprintk(1, "%s: key down event, "
+ "key 0x%04x, scancode 0x%04x\n",
+ dev->input_name, keycode, scancode);
+ input_report_key(dev->input_dev, keycode, 1);
+ }
- /* Register a keypress */
- dev->keypressed = true;
- IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n",
- dev->input_name, keycode, scancode);
- input_report_key(dev->input_dev, dev->last_keycode, 1);
input_sync(dev->input_dev);
}