summaryrefslogtreecommitdiff
path: root/drivers/usb/input/ati_remote.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/input/ati_remote.c')
-rw-r--r--drivers/usb/input/ati_remote.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c
index b724e36..471aab2 100644
--- a/drivers/usb/input/ati_remote.c
+++ b/drivers/usb/input/ati_remote.c
@@ -120,6 +120,7 @@
* behaviour.
*/
#define FILTER_TIME 60 /* msec */
+#define REPEAT_DELAY 500 /* msec */
static unsigned long channel_mask;
module_param(channel_mask, ulong, 0644);
@@ -133,6 +134,10 @@ static int repeat_filter = FILTER_TIME;
module_param(repeat_filter, int, 0644);
MODULE_PARM_DESC(repeat_filter, "Repeat filter time, default = 60 msec");
+static int repeat_delay = REPEAT_DELAY;
+module_param(repeat_delay, int, 0644);
+MODULE_PARM_DESC(repeat_delay, "Delay before sending repeats, default = 500 msec");
+
#define dbginfo(dev, format, arg...) do { if (debug) dev_info(dev , format , ## arg); } while (0)
#undef err
#define err(format, arg...) printk(KERN_ERR format , ## arg)
@@ -174,6 +179,8 @@ struct ati_remote {
unsigned char old_data[2]; /* Detect duplicate events */
unsigned long old_jiffies;
unsigned long acc_jiffies; /* handle acceleration */
+ unsigned long first_jiffies;
+
unsigned int repeat_count;
char name[NAME_BUFSIZE];
@@ -318,7 +325,7 @@ static void ati_remote_dump(unsigned char *data, unsigned int len)
*/
static int ati_remote_open(struct input_dev *inputdev)
{
- struct ati_remote *ati_remote = inputdev->private;
+ struct ati_remote *ati_remote = input_get_drvdata(inputdev);
/* On first open, submit the read urb which was set up previously. */
ati_remote->irq_urb->dev = ati_remote->udev;
@@ -336,7 +343,7 @@ static int ati_remote_open(struct input_dev *inputdev)
*/
static void ati_remote_close(struct input_dev *inputdev)
{
- struct ati_remote *ati_remote = inputdev->private;
+ struct ati_remote *ati_remote = input_get_drvdata(inputdev);
usb_kill_urb(ati_remote->irq_urb);
}
@@ -501,21 +508,31 @@ static void ati_remote_input_report(struct urb *urb)
}
if (ati_remote_tbl[index].kind == KIND_FILTERED) {
+ unsigned long now = jiffies;
+
/* Filter duplicate events which happen "too close" together. */
if (ati_remote->old_data[0] == data[1] &&
ati_remote->old_data[1] == data[2] &&
- time_before(jiffies, ati_remote->old_jiffies + msecs_to_jiffies(repeat_filter))) {
+ time_before(now, ati_remote->old_jiffies +
+ msecs_to_jiffies(repeat_filter))) {
ati_remote->repeat_count++;
} else {
ati_remote->repeat_count = 0;
+ ati_remote->first_jiffies = now;
}
ati_remote->old_data[0] = data[1];
ati_remote->old_data[1] = data[2];
- ati_remote->old_jiffies = jiffies;
+ ati_remote->old_jiffies = now;
+ /* Ensure we skip at least the 4 first duplicate events (generated
+ * by a single keypress), and continue skipping until repeat_delay
+ * msecs have passed
+ */
if (ati_remote->repeat_count > 0 &&
- ati_remote->repeat_count < 5)
+ (ati_remote->repeat_count < 5 ||
+ time_before(now, ati_remote->first_jiffies +
+ msecs_to_jiffies(repeat_delay))))
return;
@@ -653,7 +670,8 @@ static void ati_remote_input_init(struct ati_remote *ati_remote)
if (ati_remote_tbl[i].type == EV_KEY)
set_bit(ati_remote_tbl[i].code, idev->keybit);
- idev->private = ati_remote;
+ input_set_drvdata(idev, ati_remote);
+
idev->open = ati_remote_open;
idev->close = ati_remote_close;
@@ -661,7 +679,7 @@ static void ati_remote_input_init(struct ati_remote *ati_remote)
idev->phys = ati_remote->phys;
usb_to_input_id(ati_remote->udev, &idev->id);
- idev->cdev.dev = &ati_remote->udev->dev;
+ idev->dev.parent = &ati_remote->udev->dev;
}
static int ati_remote_initialize(struct ati_remote *ati_remote)
@@ -772,15 +790,17 @@ static int ati_remote_probe(struct usb_interface *interface, const struct usb_de
goto fail3;
/* Set up and register input device */
- input_register_device(ati_remote->idev);
+ err = input_register_device(ati_remote->idev);
+ if (err)
+ goto fail3;
usb_set_intfdata(interface, ati_remote);
return 0;
-fail3: usb_kill_urb(ati_remote->irq_urb);
+ fail3: usb_kill_urb(ati_remote->irq_urb);
usb_kill_urb(ati_remote->out_urb);
-fail2: ati_remote_free_buffers(ati_remote);
-fail1: input_free_device(input_dev);
+ fail2: ati_remote_free_buffers(ati_remote);
+ fail1: input_free_device(input_dev);
kfree(ati_remote);
return err;
}