diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-12-14 14:35:38 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2013-01-07 12:57:24 +0100 |
| commit | 027c03f7327faa696e1d876954a18b5214c18583 (patch) | |
| tree | e3cf765c7fddf3304ec994ab0dead4e5fc665289 /hw/usb/dev-hid.c | |
| parent | 9fdf70272702095f57efc51a80c79493fd0829b8 (diff) | |
| download | qemu-027c03f7327faa696e1d876954a18b5214c18583.tar.gz | |
hid: Change idle handling to use a timer
This leads to cleaner code in usb-hid, and removes up to a 1000 calls / sec to
qemu_get_clock_ns(vm_clock) if idle-time is set to its default value of 0.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/dev-hid.c')
| -rw-r--r-- | hw/usb/dev-hid.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c index ce38fef9f6..b4ace04eef 100644 --- a/hw/usb/dev-hid.c +++ b/hw/usb/dev-hid.c @@ -501,7 +501,7 @@ static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, break; case SET_IDLE: hs->idle = (uint8_t) (value >> 8); - hid_set_next_idle(hs, qemu_get_clock_ns(vm_clock)); + hid_set_next_idle(hs); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { hid_pointer_activate(hs); } @@ -523,16 +523,14 @@ static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) switch (p->pid) { case USB_TOKEN_IN: if (p->ep->nr == 1) { - int64_t curtime = qemu_get_clock_ns(vm_clock); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { hid_pointer_activate(hs); } - if (!hid_has_events(hs) && - (!hs->idle || hs->next_idle_clock - curtime > 0)) { + if (!hid_has_events(hs)) { p->status = USB_RET_NAK; return; } - hid_set_next_idle(hs, curtime); + hid_set_next_idle(hs); if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { len = hid_pointer_poll(hs, buf, p->iov.size); } else if (hs->kind == HID_KEYBOARD) { |