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usb-hid: modifiers should generate an event

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When a modifier key is pressed or released, the USB HID keyboard still
answers NAK, unless another key is also pressed or released.

The patch fixes that by calling usb_hid_changed() when a modifier key
is pressed or released.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2011-01-17 19:29:34 +01:00
parent de4af5f792
commit 373dfc441d
1 changed files with 3 additions and 0 deletions
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3
hw/usb-hid.c
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@ -460,15 +460,18 @@ static void usb_keyboard_event(void *opaque, int keycode)
case 0xe0: case 0xe0:
if (s->modifiers & (1 << 9)) { if (s->modifiers & (1 << 9)) {
s->modifiers ^= 3 << 8; s->modifiers ^= 3 << 8;
usb_hid_changed(hs);
return; return;
} }
case 0xe1 ... 0xe7: case 0xe1 ... 0xe7:
if (keycode & (1 << 7)) { if (keycode & (1 << 7)) {
s->modifiers &= ~(1 << (hid_code & 0x0f)); s->modifiers &= ~(1 << (hid_code & 0x0f));
usb_hid_changed(hs);
return; return;
} }
case 0xe8 ... 0xef: case 0xe8 ... 0xef:
s->modifiers |= 1 << (hid_code & 0x0f); s->modifiers |= 1 << (hid_code & 0x0f);
usb_hid_changed(hs);
return; return;
} }