Patchwork [v2,3/4] kbd leds: usb kbd

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Submitter Gerd Hoffmann
Date Feb. 26, 2010, 4:17 p.m.
Message ID <1267201059-24145-4-git-send-email-kraxel@redhat.com>
Download mbox | patch
Permalink /patch/46356/
State New
Headers show

Comments

Gerd Hoffmann - Feb. 26, 2010, 4:17 p.m.
Add led status notification support to the usb kbd driver.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/usb-hid.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/usb-hid.c b/hw/usb-hid.c
index bf456bb..2e4e647 100644
--- a/hw/usb-hid.c
+++ b/hw/usb-hid.c
@@ -600,12 +600,20 @@  static int usb_keyboard_poll(USBKeyboardState *s, uint8_t *buf, int len)
 static int usb_keyboard_write(USBKeyboardState *s, uint8_t *buf, int len)
 {
     if (len > 0) {
+        int ledstate = 0;
         /* 0x01: Num Lock LED
          * 0x02: Caps Lock LED
          * 0x04: Scroll Lock LED
          * 0x08: Compose LED
          * 0x10: Kana LED */
         s->leds = buf[0];
+        if (s->leds & 0x04)
+            ledstate |= QEMU_SCROLL_LOCK_LED;
+        if (s->leds & 0x01)
+            ledstate |= QEMU_NUM_LOCK_LED;
+        if (s->leds & 0x02)
+            ledstate |= QEMU_CAPS_LOCK_LED;
+        kbd_put_ledstate(ledstate);
     }
     return 0;
 }