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Merge branch 'topic/usb-audio' into for-linus

This commit is contained in:
Takashi Iwai 2009-03-24 00:36:22 +01:00
parent d080732334 b1c86bb807
commit afad17c0ae
5 changed files with 154 additions and 105 deletions
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79
sound/usb/usbaudio.c
View File

@ -107,7 +107,7 @@ MODULE_PARM_DESC(ignore_ctl_error,
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
#define SYNC_URBS 4 /* always four urbs for sync */
#define MIN_PACKS_URB 1 /* minimum 1 packet per urb */
#define MAX_QUEUE 24 /* try not to exceed this queue length, in ms */
struct audioformat {
struct list_head list;
@ -525,7 +525,7 @@ static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs)
/*
* Prepare urb for streaming before playback starts or when paused.
*
* We don't have any data, so we send a frame of silence.
* We don't have any data, so we send silence.
*/
static int prepare_nodata_playback_urb(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
@ -537,13 +537,13 @@ static int prepare_nodata_playback_urb(struct snd_usb_substream *subs,
offs = 0;
urb->dev = ctx->subs->dev;
urb->number_of_packets = subs->packs_per_ms;
for (i = 0; i < subs->packs_per_ms; ++i) {
for (i = 0; i < ctx->packets; ++i) {
counts = snd_usb_audio_next_packet_size(subs);
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
}
urb->number_of_packets = ctx->packets;
urb->transfer_buffer_length = offs * stride;
memset(urb->transfer_buffer,
subs->cur_audiofmt->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0,
@ -1034,9 +1034,9 @@ static void release_substream_urbs(struct snd_usb_substream *subs, int force)
static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int period_bytes,
unsigned int rate, unsigned int frame_bits)
{
unsigned int maxsize, n, i;
unsigned int maxsize, i;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
unsigned int npacks[MAX_URBS], urb_packs, total_packs, packs_per_ms;
unsigned int urb_packs, total_packs, packs_per_ms;
/* calculate the frequency in 16.16 format */
if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
@ -1070,8 +1070,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
subs->packs_per_ms = packs_per_ms;
if (is_playback) {
urb_packs = nrpacks;
urb_packs = max(urb_packs, (unsigned int)MIN_PACKS_URB);
urb_packs = max(nrpacks, 1);
urb_packs = min(urb_packs, (unsigned int)MAX_PACKS);
} else
urb_packs = 1;
@ -1079,7 +1078,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
/* decide how many packets to be used */
if (is_playback) {
unsigned int minsize;
unsigned int minsize, maxpacks;
/* determine how small a packet can be */
minsize = (subs->freqn >> (16 - subs->datainterval))
* (frame_bits >> 3);
@ -1092,8 +1091,13 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
total_packs = (total_packs + packs_per_ms - 1)
& ~(packs_per_ms - 1);
/* we need at least two URBs for queueing */
if (total_packs < 2 * MIN_PACKS_URB * packs_per_ms)
total_packs = 2 * MIN_PACKS_URB * packs_per_ms;
if (total_packs < 2 * packs_per_ms) {
total_packs = 2 * packs_per_ms;
} else {
/* and we don't want too long a queue either */
maxpacks = max(MAX_QUEUE * packs_per_ms, urb_packs * 2);
total_packs = min(total_packs, maxpacks);
}
} else {
total_packs = MAX_URBS * urb_packs;
}
@ -1102,31 +1106,11 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
/* too much... */
subs->nurbs = MAX_URBS;
total_packs = MAX_URBS * urb_packs;
}
n = total_packs;
for (i = 0; i < subs->nurbs; i++) {
npacks[i] = n > urb_packs ? urb_packs : n;
n -= urb_packs;
}
if (subs->nurbs <= 1) {
} else if (subs->nurbs < 2) {
/* too little - we need at least two packets
* to ensure contiguous playback/capture
*/
subs->nurbs = 2;
npacks[0] = (total_packs + 1) / 2;
npacks[1] = total_packs - npacks[0];
} else if (npacks[subs->nurbs-1] < MIN_PACKS_URB * packs_per_ms) {
/* the last packet is too small.. */
if (subs->nurbs > 2) {
/* merge to the first one */
npacks[0] += npacks[subs->nurbs - 1];
subs->nurbs--;
} else {
/* divide to two */
subs->nurbs = 2;
npacks[0] = (total_packs + 1) / 2;
npacks[1] = total_packs - npacks[0];
}
}
/* allocate and initialize data urbs */
@ -1134,7 +1118,8 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri
struct snd_urb_ctx *u = &subs->dataurb[i];
u->index = i;
u->subs = subs;
u->packets = npacks[i];
u->packets = (i + 1) * total_packs / subs->nurbs
- i * total_packs / subs->nurbs;
u->buffer_size = maxsize * u->packets;
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
@ -1292,14 +1277,14 @@ static int init_usb_sample_rate(struct usb_device *dev, int iface,
if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep 0x%x\n",
snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n",
dev->devnum, iface, fmt->altsetting, rate, ep);
return err;
}
if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep 0x%x\n",
snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n",
dev->devnum, iface, fmt->altsetting, ep);
return 0; /* some devices don't support reading */
}
@ -1431,9 +1416,11 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
subs->cur_audiofmt = fmt;
#if 0
printk("setting done: format = %d, rate = %d..%d, channels = %d\n",
printk(KERN_DEBUG
"setting done: format = %d, rate = %d..%d, channels = %d\n",
fmt->format, fmt->rate_min, fmt->rate_max, fmt->channels);
printk(" datapipe = 0x%0x, syncpipe = 0x%0x\n",
printk(KERN_DEBUG
" datapipe = 0x%0x, syncpipe = 0x%0x\n",
subs->datapipe, subs->syncpipe);
#endif
@ -1468,7 +1455,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
if (!fmt) {
snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
snd_printd(KERN_DEBUG "cannot set format: format = %#x, rate = %d, channels = %d\n",
format, rate, channels);
return -EINVAL;
}
@ -1795,7 +1782,7 @@ static int check_hw_params_convention(struct snd_usb_substream *subs)
if (rates[f->format] && rates[f->format] != f->rates)
goto __out;
}
channels[f->format] |= (1 << f->channels);
channels[f->format] |= 1 << (f->channels - 1);
rates[f->format] |= f->rates;
/* needs knot? */
if (f->rates & SNDRV_PCM_RATE_KNOT)
@ -1822,7 +1809,7 @@ static int check_hw_params_convention(struct snd_usb_substream *subs)
continue;
for (i = 0; i < 32; i++) {
if (f->rates & (1 << i))
channels[i] |= (1 << f->channels);
channels[i] |= 1 << (f->channels - 1);
}
}
cmaster = 0;
@ -1919,7 +1906,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
* in the current code assume the 1ms period.
*/
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME,
1000 * MIN_PACKS_URB,
1000,
/*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
err = check_hw_params_convention(subs);
@ -2160,7 +2147,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
fp = list_entry(p, struct audioformat, list);
snd_iprintf(buffer, " Interface %d\n", fp->iface);
snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
snd_iprintf(buffer, " Format: 0x%x\n", fp->format);
snd_iprintf(buffer, " Format: %#x\n", fp->format);
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
@ -2180,7 +2167,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
snd_iprintf(buffer, "\n");
}
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
// snd_iprintf(buffer, " EP Attribute = 0x%x\n", fp->attributes);
// snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}
}
@ -2621,7 +2608,7 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip, struct audioformat
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
default:
snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n",
snd_printd(KERN_INFO "%d:%u:%d : unknown format tag %#x is detected. processed as MPEG.\n",
chip->dev->devnum, fp->iface, fp->altsetting, format);
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
@ -2819,7 +2806,7 @@ static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
continue;
}
snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, altno, fp->endpoint);
snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint %#x\n", dev->devnum, iface_no, altno, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
@ -3766,7 +3753,7 @@ static int usb_audio_resume(struct usb_interface *intf)
static int __init snd_usb_audio_init(void)
{
if (nrpacks < MIN_PACKS_URB || nrpacks > MAX_PACKS) {
if (nrpacks < 1 || nrpacks > MAX_PACKS) {
printk(KERN_WARNING "invalid nrpacks value.\n");
return -EINVAL;
}

142
sound/usb/usbmixer.c
View File

@ -66,6 +66,7 @@ static const struct rc_config {
{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};
struct usb_mixer_interface {
@ -109,6 +110,8 @@ struct mixer_build {
const struct usbmix_selector_map *selector_map;
};
#define MAX_CHANNELS 10 /* max logical channels */
struct usb_mixer_elem_info {
struct usb_mixer_interface *mixer;
struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
@ -119,6 +122,8 @@ struct usb_mixer_elem_info {
int channels;
int val_type;
int min, max, res;
int cached;
int cache_val[MAX_CHANNELS];
u8 initialized;
};
@ -180,8 +185,6 @@ enum {
USB_PROC_DCR_RELEASE = 6,
};
#define MAX_CHANNELS 10 /* max logical channels */
/*
* manual mapping of mixer names
@ -218,7 +221,10 @@ static int check_ignored_ctl(struct mixer_build *state, int unitid, int control)
for (p = state->map; p->id; p++) {
if (p->id == unitid && ! p->name &&
(! control || ! p->control || control == p->control)) {
// printk("ignored control %d:%d\n", unitid, control);
/*
printk(KERN_DEBUG "ignored control %d:%d\n",
unitid, control);
*/
return 1;
}
}
@ -375,11 +381,35 @@ static int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *
}
/* channel = 0: master, 1 = first channel */
static inline int get_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int *value)
static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval,
int channel, int *value)
{
return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value);
}
static int get_cur_mix_value(struct usb_mixer_elem_info *cval,
int channel, int index, int *value)
{
int err;
if (cval->cached & (1 << channel)) {
*value = cval->cache_val[index];
return 0;
}
err = get_cur_mix_raw(cval, channel, value);
if (err < 0) {
if (!cval->mixer->ignore_ctl_error)
snd_printd(KERN_ERR "cannot get current value for "
"control %d ch %d: err = %d\n",
cval->control, channel, err);
return err;
}
cval->cached |= 1 << channel;
cval->cache_val[index] = *value;
return 0;
}
/*
* set a mixer value
*/
@ -411,9 +441,17 @@ static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int v
return set_ctl_value(cval, SET_CUR, validx, value);
}
static inline int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int value)
static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
int index, int value)
{
return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value);
int err;
err = set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel,
value);
if (err < 0)
return err;
cval->cached |= 1 << channel;
cval->cache_val[index] = value;
return 0;
}
/*
@ -717,7 +755,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
if (cval->min + cval->res < cval->max) {
int last_valid_res = cval->res;
int saved, test, check;
get_cur_mix_value(cval, minchn, &saved);
get_cur_mix_raw(cval, minchn, &saved);
for (;;) {
test = saved;
if (test < cval->max)
@ -725,8 +763,8 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
else
test -= cval->res;
if (test < cval->min || test > cval->max ||
set_cur_mix_value(cval, minchn, test) ||
get_cur_mix_value(cval, minchn, &check)) {
set_cur_mix_value(cval, minchn, 0, test) ||
get_cur_mix_raw(cval, minchn, &check)) {
cval->res = last_valid_res;
break;
}
@ -734,7 +772,7 @@ static int get_min_max(struct usb_mixer_elem_info *cval, int default_min)
break;
cval->res *= 2;
}
set_cur_mix_value(cval, minchn, saved);
set_cur_mix_value(cval, minchn, 0, saved);
}
cval->initialized = 1;
@ -774,35 +812,25 @@ static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_e
struct usb_mixer_elem_info *cval = kcontrol->private_data;
int c, cnt, val, err;
ucontrol->value.integer.value[0] = cval->min;
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
if (cval->cmask & (1 << c)) {
err = get_cur_mix_value(cval, c + 1, &val);
if (err < 0) {
if (cval->mixer->ignore_ctl_error) {
ucontrol->value.integer.value[0] = cval->min;
return 0;
}
snd_printd(KERN_ERR "cannot get current value for control %d ch %d: err = %d\n", cval->control, c + 1, err);
return err;
}
val = get_relative_value(cval, val);
ucontrol->value.integer.value[cnt] = val;
cnt++;
}
if (!(cval->cmask & (1 << c)))
continue;
err = get_cur_mix_value(cval, c + 1, cnt, &val);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
ucontrol->value.integer.value[cnt] = val;
cnt++;
}
return 0;
} else {
/* master channel */
err = get_cur_mix_value(cval, 0, &val);
if (err < 0) {
if (cval->mixer->ignore_ctl_error) {
ucontrol->value.integer.value[0] = cval->min;
return 0;
}
snd_printd(KERN_ERR "cannot get current value for control %d master ch: err = %d\n", cval->control, err);
return err;
}
err = get_cur_mix_value(cval, 0, 0, &val);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
ucontrol->value.integer.value[0] = val;
}
@ -819,34 +847,28 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
if (cval->cmask) {
cnt = 0;
for (c = 0; c < MAX_CHANNELS; c++) {
if (cval->cmask & (1 << c)) {
err = get_cur_mix_value(cval, c + 1, &oval);
if (err < 0) {
if (cval->mixer->ignore_ctl_error)
return 0;
return err;
}
val = ucontrol->value.integer.value[cnt];
val = get_abs_value(cval, val);
if (oval != val) {
set_cur_mix_value(cval, c + 1, val);
changed = 1;
}
get_cur_mix_value(cval, c + 1, &val);
cnt++;
if (!(cval->cmask & (1 << c)))
continue;
err = get_cur_mix_value(cval, c + 1, cnt, &oval);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[cnt];
val = get_abs_value(cval, val);
if (oval != val) {
set_cur_mix_value(cval, c + 1, cnt, val);
changed = 1;
}
cnt++;
}
} else {
/* master channel */
err = get_cur_mix_value(cval, 0, &oval);
if (err < 0 && cval->mixer->ignore_ctl_error)
return 0;
err = get_cur_mix_value(cval, 0, 0, &oval);
if (err < 0)
return err;
return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[0];
val = get_abs_value(cval, val);
if (val != oval) {
set_cur_mix_value(cval, 0, val);
set_cur_mix_value(cval, 0, 0, val);
changed = 1;
}
}
@ -1705,7 +1727,8 @@ static void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer,
break;
/* live24ext: 4 = line-in jack */
case 3: /* hp-out jack (may actuate Mute) */
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
break;
default:
@ -1936,8 +1959,9 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
int i, err;
for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
if (i > 1 && /* Live24ext has 2 LEDs only */
mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
if (i > 1 && /* Live24ext has 2 LEDs only */
(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
break;
err = snd_ctl_add(mixer->chip->card,
snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
@ -1974,7 +1998,8 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
jacks = jacks_audigy2nx;
else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
jacks = jacks_live24ext;
else
return;
@ -2024,7 +2049,8 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
goto _error;
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3040)) {
mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
struct snd_info_entry *entry;
if ((err = snd_audigy2nx_controls_create(mixer)) < 0)

26
sound/usb/usbmixer_maps.c
View File

@ -261,6 +261,22 @@ static struct usbmix_name_map aureon_51_2_map[] = {
{} /* terminator */
};
static struct usbmix_name_map scratch_live_map[] = {
/* 1: IT Line 1 (USB streaming) */
/* 2: OT Line 1 (Speaker) */
/* 3: IT Line 1 (Line connector) */
{ 4, "Line 1 In" }, /* FU */
/* 5: OT Line 1 (USB streaming) */
/* 6: IT Line 2 (USB streaming) */
/* 7: OT Line 2 (Speaker) */
/* 8: IT Line 2 (Line connector) */
{ 9, "Line 2 In" }, /* FU */
/* 10: OT Line 2 (USB streaming) */
/* 11: IT Mic (Line connector) */
/* 12: OT Mic (USB streaming) */
{ 0 } /* terminator */
};
/*
* Control map entries
*/
@ -284,6 +300,11 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x041e, 0x3040),
.map = live24ext_map,
},
{
.id = USB_ID(0x041e, 0x3048),
.map = audigy2nx_map,
.selector_map = audigy2nx_selectors,
},
{
/* Hercules DJ Console (Windows Edition) */
.id = USB_ID(0x06f8, 0xb000),
@ -311,6 +332,11 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x0ccd, 0x0028),
.map = aureon_51_2_map,
},
{
.id = USB_ID(0x13e5, 0x0001),
.map = scratch_live_map,
.ignore_ctl_error = 1,
},
{ 0 } /* terminator */
};

10
sound/usb/usbquirks.h
View File

@ -39,6 +39,16 @@
.idProduct = prod, \
.bInterfaceClass = USB_CLASS_VENDOR_SPEC
/* Creative/Toshiba Multimedia Center SB-0500 */
{
USB_DEVICE(0x041e, 0x3048),
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "Toshiba",
.product_name = "SB-0500",
.ifnum = QUIRK_NO_INTERFACE
}
},
/* Creative/E-Mu devices */
{
USB_DEVICE(0x041e, 0x3010),

2
sound/usb/usx2y/usb_stream.c
View File

@ -557,7 +557,7 @@ static void stream_start(struct usb_stream_kernel *sk,
s->idle_insize -= max_diff - max_diff_0;
s->idle_insize += urb_size - s->period_size;
if (s->idle_insize < 0) {
snd_printk("%i %i %i\n",
snd_printk(KERN_WARNING "%i %i %i\n",
s->idle_insize, urb_size, s->period_size);
return;
} else if (s->idle_insize == 0) {