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usb/kb: reset led state on boot

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ment 2011-06-27 22:15:50 +02:00
parent d0485d345d
commit 0918ce10dc
2 changed files with 15 additions and 1 deletions
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5
sys/src/cmd/usb/kb/hid.h
View file

@ -10,12 +10,17 @@ enum {
KbdCSP = 0x010103, /* keyboard.boot.hid */
/* Requests */
Getreport = 0x01,
Setreport = 0x09,
Getproto = 0x03,
Setproto = 0x0b,
/* protocols for SET_PROTO request */
Bootproto = 0,
Reportproto = 1,
/* protocols for SET_REPORT request */
Reportout = 0x0200,
};
enum {

11
sys/src/cmd/usb/kb/kb.c
View file

@ -124,6 +124,12 @@ setbootproto(KDev* f, int eid)
return usbcmd(f->dev, r, Setproto, Bootproto, id, nil, 0);
}
static int
setleds(KDev* f, int eid, uchar leds)
{
return usbcmd(f->dev, Rh2d|Rclass|Riface, Setreport, Reportout, 0, &leds, 1);
}
/*
* Try to recover from a babble error. A port reset is the only way out.
* BUG: we should be careful not to reset a bundle with several devices.
@ -537,7 +543,10 @@ kbstart(Dev *d, Ep *ep, Kin *in, void (*f)(void*), int accel)
kd->ep = nil;
return;
}
if(setleds(kd, ep->id, 0) < 0){
fprint(2, "kb: %s: setleds: %r\n", d->dir);
return;
}
incref(d);
proccreate(f, kd, Stack);
}