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Correct the frequency calculation.

This commit is contained in:
augustss 2002-01-03 21:52:26 +00:00
parent b3adaffa36
commit 501071c88f
1 changed files with 6 additions and 4 deletions
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10
sys/dev/usb/udsbr.c
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@ -1,4 +1,4 @@
/* $NetBSD: udsbr.c,v 1.3 2002/01/02 03:47:35 augustss Exp $ */
/* $NetBSD: udsbr.c,v 1.4 2002/01/03 21:52:26 augustss Exp $ */
/*
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -45,7 +45,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: udsbr.c,v 1.3 2002/01/02 03:47:35 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: udsbr.c,v 1.4 2002/01/03 21:52:26 augustss Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -193,6 +193,8 @@ udsbr_req(struct udsbr_softc *sc, int ureq, int value, int index)
usbd_status err;
u_char data;
DPRINTFN(1,("udsbr_req: ureq=0x%02x value=0x%04x index=0x%04x\n",
ureq, value, index));
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = ureq;
USETW(req.wValue, value);
@ -231,15 +233,15 @@ udsbr_setfreq(struct udsbr_softc *sc, int freq)
* units of 12.5kHz. We add one to the IFM to make rounding
* easier.
*/
freq = (freq + 10700001) / 12500;
freq = (freq * 1000 + 10700001) / 12500;
(void)udsbr_req(sc, 0x01, (freq >> 8) & 0xff, freq & 0xff);
(void)udsbr_req(sc, 0x00, 0x0096, 0x00b7);
usbd_delay_ms(sc->sc_udev, 240); /* wait for signal to settle */
}
int
udsbr_status(struct udsbr_softc *sc)
{
usbd_delay_ms(sc->sc_udev, 240); /* XXX wait for signal to settle */
return (udsbr_req(sc, 0x00, 0x0000, 0x0024));
}