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hid: Change idle handling to use a timer

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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>
This commit is contained in:
Hans de Goede 2012-12-14 14:35:38 +01:00 • committed by Gerd Hoffmann
parent 9fdf702727
commit 027c03f732
3 changed files with 43 additions and 13 deletions
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5
hw/hid.h
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@ -43,7 +43,8 @@ struct HIDState {
int kind;
int32_t protocol;
uint8_t idle;
int64_t next_idle_clock;
bool idle_pending;
QEMUTimer *idle_timer;
HIDEventFunc event;
};
@ -52,7 +53,7 @@ void hid_reset(HIDState *hs);
void hid_free(HIDState *hs);
bool hid_has_events(HIDState *hs);
void hid_set_next_idle(HIDState *hs, int64_t curtime);
void hid_set_next_idle(HIDState *hs);
void hid_pointer_activate(HIDState *hs);
int hid_pointer_poll(HIDState *hs, uint8_t *buf, int len);
int hid_keyboard_poll(HIDState *hs, uint8_t *buf, int len);