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Address PR#44279. 

- Be more lenient to device descriptor inconsistencies.
- Apply Roland SD-90 quirk only to the SD-90.
This commit is contained in:
jakllsch 2010-12-28 20:11:18 +00:00
parent 61ae85434d
commit 4244c8419c
1 changed files with 12 additions and 18 deletions
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30
sys/dev/usb/uaudio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: uaudio.c,v 1.119 2010/12/24 20:49:55 jmcneill Exp $ */
/* $NetBSD: uaudio.c,v 1.120 2010/12/28 20:11:18 jakllsch Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.119 2010/12/24 20:49:55 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.120 2010/12/28 20:11:18 jakllsch Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -66,6 +66,8 @@ __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.119 2010/12/24 20:49:55 jmcneill Exp $"
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usb_quirks.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/uaudioreg.h>
/* #define UAUDIO_DEBUG */
@ -1845,7 +1847,7 @@ uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc
const struct usb_audio_output_terminal *pot;
struct terminal_list *tml;
const char *tbuf, *ibuf, *ibufend;
int size, offs, aclen, ndps, i, j;
int size, offs, ndps, i, j;
size = UGETW(cdesc->wTotalLength);
tbuf = (const char *)cdesc;
@ -1862,26 +1864,23 @@ uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc
/* A class-specific AC interface header should follow. */
ibuf = tbuf + offs;
ibufend = tbuf + size;
acdp = (const struct usb_audio_control_descriptor *)ibuf;
if (acdp->bDescriptorType != UDESC_CS_INTERFACE ||
acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)
return USBD_INVAL;
aclen = UGETW(acdp->wTotalLength);
if (offs + aclen > size)
return USBD_INVAL;
if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) &&
UGETW(acdp->bcdADC) != UAUDIO_VERSION)
return USBD_INVAL;
sc->sc_audio_rev = UGETW(acdp->bcdADC);
DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x, len=%d\n",
sc->sc_audio_rev, aclen));
DPRINTFN(2,("uaudio_identify_ac: found AC header, vers=%03x\n",
sc->sc_audio_rev));
sc->sc_nullalt = -1;
/* Scan through all the AC specific descriptors */
ibufend = ibuf + aclen;
dp = (const uaudio_cs_descriptor_t *)ibuf;
ndps = 0;
iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO);
@ -1898,12 +1897,8 @@ uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc
free(iot, M_TEMP);
return USBD_INVAL;
}
if (dp->bDescriptorType != UDESC_CS_INTERFACE) {
aprint_error(
"uaudio_identify_ac: skip desc type=0x%02x\n",
dp->bDescriptorType);
continue;
}
if (dp->bDescriptorType != UDESC_CS_INTERFACE)
break;
i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId;
iot[i].d.desc = dp;
if (i > ndps)
@ -2623,11 +2618,10 @@ uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch)
return err;
/*
* If just one sampling rate is supported,
* no need to call uaudio_set_speed().
* Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request.
*/
if (as->asf1desc->bSamFreqType != 1) {
if ((UGETW(sc->sc_udev->ddesc.idVendor) != USB_VENDOR_ROLAND) &&
(UGETW(sc->sc_udev->ddesc.idProduct) != USB_PRODUCT_ROLAND_SD90)) {
err = uaudio_set_speed(sc, endpt, ch->sample_rate);
if (err) {
DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n",