*/
-#include <sound/driver.h>
#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/list.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
-static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Vendor ID for this card */
-static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
+/* Vendor/product IDs for this card */
+static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
+static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
static int nrpacks = 8; /* max. number of packets per urb */
static int async_unlink = 1;
static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
+static int ignore_ctl_error;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
module_param_array(device_setup, int, NULL, 0444);
MODULE_PARM_DESC(device_setup, "Specific device setup (if needed).");
-
+module_param(ignore_ctl_error, bool, 0444);
+MODULE_PARM_DESC(ignore_ctl_error,
+ "Ignore errors from USB controller for mixer interfaces.");
/*
* debug the h/w constraints
unsigned int rate_min, rate_max; /* min/max rates */
unsigned int nr_rates; /* number of rate table entries */
unsigned int *rate_table; /* rate table */
- unsigned int needs_knot; /* any unusual rates? */
};
struct snd_usb_substream;
return 0;
}
+/*
+ * process after E-Mu 0202/0404/Tracker Pre high speed playback sync complete
+ *
+ * These devices return the number of samples per packet instead of the number
+ * of samples per microframe.
+ */
+static int retire_playback_sync_urb_hs_emu(struct snd_usb_substream *subs,
+ struct snd_pcm_runtime *runtime,
+ struct urb *urb)
+{
+ unsigned int f;
+ unsigned long flags;
+
+ if (urb->iso_frame_desc[0].status == 0 &&
+ urb->iso_frame_desc[0].actual_length == 4) {
+ f = combine_quad((u8*)urb->transfer_buffer) & 0x0fffffff;
+ f >>= subs->datainterval;
+ if (f >= subs->freqn - subs->freqn / 8 && f <= subs->freqmax) {
+ spin_lock_irqsave(&subs->lock, flags);
+ subs->freqm = f;
+ spin_unlock_irqrestore(&subs->lock, flags);
+ }
+ }
+
+ return 0;
+}
+
/* determine the number of frames in the next packet */
static int snd_usb_audio_next_packet_size(struct snd_usb_substream *subs)
{
int err = 0;
if ((subs->running && subs->ops.retire(subs, substream->runtime, urb)) ||
- ! subs->running || /* can be stopped during retire callback */
+ !subs->running || /* can be stopped during retire callback */
(err = subs->ops.prepare(subs, substream->runtime, urb)) < 0 ||
(err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
clear_bit(ctx->index, &subs->active_mask);
int err = 0;
if ((subs->running && subs->ops.retire_sync(subs, substream->runtime, urb)) ||
- ! subs->running || /* can be stopped during retire callback */
+ !subs->running || /* can be stopped during retire callback */
(err = subs->ops.prepare_sync(subs, substream->runtime, urb)) < 0 ||
(err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
clear_bit(ctx->index + 16, &subs->active_mask);
vfree(runtime->dma_area);
}
runtime->dma_area = vmalloc(size);
- if (! runtime->dma_area)
+ if (!runtime->dma_area)
return -ENOMEM;
runtime->dma_bytes = size;
return 0;
async = !can_sleep && async_unlink;
- if (! async && in_interrupt())
+ if (!async && in_interrupt())
return 0;
for (i = 0; i < subs->nurbs; i++) {
if (test_bit(i, &subs->active_mask)) {
- if (! test_and_set_bit(i, &subs->unlink_mask)) {
+ if (!test_and_set_bit(i, &subs->unlink_mask)) {
struct urb *u = subs->dataurb[i].urb;
if (async)
usb_unlink_urb(u);
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
if (test_bit(i+16, &subs->active_mask)) {
- if (! test_and_set_bit(i+16, &subs->unlink_mask)) {
+ if (!test_and_set_bit(i+16, &subs->unlink_mask)) {
struct urb *u = subs->syncurb[i].urb;
if (async)
usb_unlink_urb(u);
return "device disabled";
case -EHOSTUNREACH:
return "device suspended";
-#ifndef CONFIG_USB_EHCI_SPLIT_ISO
- case -ENOSYS:
- return "enable CONFIG_USB_EHCI_SPLIT_ISO to play through a hub";
-#endif
case -EINVAL:
case -EAGAIN:
case -EFBIG:
return -EBADFD;
for (i = 0; i < subs->nurbs; i++) {
- snd_assert(subs->dataurb[i].urb, return -EINVAL);
+ if (snd_BUG_ON(!subs->dataurb[i].urb))
+ return -EINVAL;
if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) {
snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i);
goto __error;
}
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
- snd_assert(subs->syncurb[i].urb, return -EINVAL);
+ if (snd_BUG_ON(!subs->syncurb[i].urb))
+ return -EINVAL;
if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) {
snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i);
goto __error;
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);
- if (! u->urb)
+ if (!u->urb)
goto out_of_memory;
u->urb->transfer_buffer =
usb_buffer_alloc(subs->dev, u->buffer_size, GFP_KERNEL,
&u->urb->transfer_dma);
- if (! u->urb->transfer_buffer)
+ if (!u->urb->transfer_buffer)
goto out_of_memory;
u->urb->pipe = subs->datapipe;
u->urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
/* allocate and initialize sync urbs */
subs->syncbuf = usb_buffer_alloc(subs->dev, SYNC_URBS * 4,
GFP_KERNEL, &subs->sync_dma);
- if (! subs->syncbuf)
+ if (!subs->syncbuf)
goto out_of_memory;
for (i = 0; i < SYNC_URBS; i++) {
struct snd_urb_ctx *u = &subs->syncurb[i];
u->subs = subs;
u->packets = 1;
u->urb = usb_alloc_urb(1, GFP_KERNEL);
- if (! u->urb)
+ if (!u->urb)
goto out_of_memory;
u->urb->transfer_buffer = subs->syncbuf + i * 4;
u->urb->transfer_dma = subs->sync_dma + i * 4;
int err;
iface = usb_ifnum_to_if(dev, fmt->iface);
- snd_assert(iface, return -EINVAL);
+ if (WARN_ON(!iface))
+ return -EINVAL;
alts = &iface->altsetting[fmt->altset_idx];
altsd = get_iface_desc(alts);
- snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL);
+ if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting))
+ return -EINVAL;
if (fmt == subs->cur_audiofmt)
return 0;
/* close the old interface */
if (subs->interface >= 0 && subs->interface != fmt->iface) {
- usb_set_interface(subs->dev, subs->interface, 0);
+ if (usb_set_interface(subs->dev, subs->interface, 0) < 0) {
+ snd_printk(KERN_ERR "%d:%d:%d: return to setting 0 failed\n",
+ dev->devnum, fmt->iface, fmt->altsetting);
+ return -EIO;
+ }
subs->interface = -1;
subs->format = 0;
}
subs->cur_audiofmt = fmt;
#if 0
- printk("setting done: format = %d, rate = %d, channels = %d\n",
- fmt->format, fmt->rate, fmt->channels);
+ printk("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",
subs->datapipe, subs->syncpipe);
#endif
rate = params_rate(hw_params);
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
- if (! fmt) {
+ if (!fmt) {
snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
format, rate, channels);
return -EINVAL;
struct snd_mask *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
/* check the format */
- if (! snd_mask_test(fmts, fp->format)) {
+ if (!snd_mask_test(fmts, fp->format)) {
hwc_debug(" > check: no supported format %d\n", fp->format);
return 0;
}
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
if (changed++) {
if (rmin > fp->rate_min)
}
}
- if (! changed) {
+ if (!changed) {
hwc_debug(" --> get empty\n");
it->empty = 1;
return -EINVAL;
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
if (changed++) {
if (rmin > fp->channels)
}
}
- if (! changed) {
+ if (!changed) {
hwc_debug(" --> get empty\n");
it->empty = 1;
return -EINVAL;
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (! hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(params, fp))
continue;
fbits |= (1ULL << fp->format);
}
oldbits[1] = fmt->bits[1];
fmt->bits[0] &= (u32)fbits;
fmt->bits[1] &= (u32)(fbits >> 32);
- if (! fmt->bits[0] && ! fmt->bits[1]) {
+ if (!fmt->bits[0] && !fmt->bits[1]) {
hwc_debug(" --> get empty\n");
return -EINVAL;
}
channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
+ if (!channels || !rates) {
+ err = -ENOMEM;
+ goto __out;
+ }
list_for_each(p, &subs->fmt_list) {
struct audioformat *f;
channels[f->format] |= (1 << f->channels);
rates[f->format] |= f->rates;
/* needs knot? */
- if (f->needs_knot)
+ if (f->rates & SNDRV_PCM_RATE_KNOT)
goto __out;
}
/* check whether channels and rates match for all formats */
if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS)
return 0;
count += fp->nr_rates;
- if (fp->needs_knot)
+ if (fp->rates & SNDRV_PCM_RATE_KNOT)
needs_knot = 1;
}
if (!needs_knot)
}
/* set the period time minimum 1ms */
+ /* FIXME: high-speed mode allows 125us minimum period, but many parts
+ * in the current code assume the 1ms period.
+ */
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME,
1000 * MIN_PACKS_URB,
/*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
- if (check_hw_params_convention(subs)) {
+ err = check_hw_params_convention(subs);
+ if (err < 0)
+ return err;
+ else if (err) {
hwc_debug("setting extra hw constraints...\n");
if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
hw_rule_rate, subs,
const struct usb_device_id *id);
static void usb_audio_disconnect(struct usb_interface *intf);
+#ifdef CONFIG_PM
+static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message);
+static int usb_audio_resume(struct usb_interface *intf);
+#else
+#define usb_audio_suspend NULL
+#define usb_audio_resume NULL
+#endif
+
static struct usb_device_id usb_audio_ids [] = {
#include "usbquirks.h"
{ .match_flags = (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS),
.name = "snd-usb-audio",
.probe = usb_audio_probe,
.disconnect = usb_audio_disconnect,
+ .suspend = usb_audio_suspend,
+ .resume = usb_audio_resume,
.id_table = usb_audio_ids,
};
struct snd_card *card = stream->chip->card;
sprintf(name, "stream%d", stream->pcm_index);
- if (! snd_card_proc_new(card, name, &entry))
+ if (!snd_card_proc_new(card, name, &entry))
snd_info_set_text_ops(entry, stream, proc_pcm_format_read);
}
subs->stream = as;
subs->direction = stream;
subs->dev = as->chip->dev;
- if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) {
subs->ops = audio_urb_ops[stream];
- else
+ } else {
subs->ops = audio_urb_ops_high_speed[stream];
+ switch (as->chip->usb_id) {
+ case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
+ case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
+ case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
+ subs->ops.retire_sync = retire_playback_sync_urb_hs_emu;
+ break;
+ }
+ }
snd_pcm_set_ops(as->pcm, stream,
stream == SNDRV_PCM_STREAM_PLAYBACK ?
&snd_usb_playback_ops : &snd_usb_capture_ops);
{
struct list_head *p, *n;
- if (! subs->num_formats)
+ if (!subs->num_formats)
return; /* not initialized */
list_for_each_safe(p, n, &subs->fmt_list) {
struct audioformat *fp = list_entry(p, struct audioformat, list);
if (as->fmt_type != fp->fmt_type)
continue;
subs = &as->substream[stream];
- if (! subs->endpoint)
+ if (!subs->endpoint)
continue;
if (subs->endpoint == fp->endpoint) {
list_add_tail(&fp->list, &subs->fmt_list);
/* create a new pcm */
as = kzalloc(sizeof(*as), GFP_KERNEL);
- if (! as)
+ if (!as)
return -ENOMEM;
as->pcm_index = chip->pcm_devs;
as->chip = chip;
return 1;
break;
case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
- return 1;
+ if (device_setup[chip->index] == 0x00 ||
+ fp->altsetting==1 || fp->altsetting==2 || fp->altsetting==3)
+ return 1;
}
return 0;
}
}
break;
case USB_AUDIO_FORMAT_PCM8:
- /* Dallas DS4201 workaround */
+ pcm_format = SNDRV_PCM_FORMAT_U8;
+
+ /* Dallas DS4201 workaround: it advertises U8 format, but really
+ supports S8. */
if (chip->usb_id == USB_ID(0x04fa, 0x4201))
pcm_format = SNDRV_PCM_FORMAT_S8;
- else
- pcm_format = SNDRV_PCM_FORMAT_U8;
break;
case USB_AUDIO_FORMAT_IEEE_FLOAT:
pcm_format = SNDRV_PCM_FORMAT_FLOAT_LE;
unsigned char *fmt, int offset)
{
int nr_rates = fmt[offset];
- int found;
+
if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) {
snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n",
chip->dev->devnum, fp->iface, fp->altsetting);
/*
* build the rate table and bitmap flags
*/
- int r, idx, c;
+ int r, idx;
unsigned int nonzero_rates = 0;
- /* this table corresponds to the SNDRV_PCM_RATE_XXX bit */
- static unsigned int conv_rates[] = {
- 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
- 64000, 88200, 96000, 176400, 192000
- };
+
fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
if (fp->rate_table == NULL) {
snd_printk(KERN_ERR "cannot malloc\n");
return -1;
}
- fp->needs_knot = 0;
fp->nr_rates = nr_rates;
fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
fp->rate_min = rate;
else if (rate > fp->rate_max)
fp->rate_max = rate;
- found = 0;
- for (c = 0; c < (int)ARRAY_SIZE(conv_rates); c++) {
- if (rate == conv_rates[c]) {
- found = 1;
- fp->rates |= (1 << c);
- break;
- }
- }
- if (!found)
- fp->needs_knot = 1;
+ fp->rates |= snd_pcm_rate_to_rate_bit(rate);
}
if (!nonzero_rates) {
hwc_debug("All rates were zero. Skipping format!\n");
return -1;
}
- if (fp->needs_knot)
- fp->rates |= SNDRV_PCM_RATE_KNOT;
} else {
/* continuous rates */
fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
* but we give normal PCM format to get the existing
* apps working...
*/
- pcm_format = SNDRV_PCM_FORMAT_S16_LE;
+ switch (chip->usb_id) {
+
+ case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
+ if (device_setup[chip->index] == 0x00 &&
+ fp->altsetting == 6)
+ pcm_format = SNDRV_PCM_FORMAT_S16_BE;
+ else
+ pcm_format = SNDRV_PCM_FORMAT_S16_LE;
+ break;
+ default:
+ pcm_format = SNDRV_PCM_FORMAT_S16_LE;
+ }
} else {
pcm_format = parse_audio_format_i_type(chip, fp, format, fmt);
if (pcm_format < 0)
int format;
struct audioformat *fp;
unsigned char *fmt, *csep;
+ int num;
dev = chip->dev;
/* parse the interface's altsettings */
iface = usb_ifnum_to_if(dev, iface_no);
- for (i = 0; i < iface->num_altsetting; i++) {
+
+ num = iface->num_altsetting;
+
+ /*
+ * Dallas DS4201 workaround: It presents 5 altsettings, but the last
+ * one misses syncpipe, and does not produce any sound.
+ */
+ if (chip->usb_id == USB_ID(0x04fa, 0x4201))
+ num = 4;
+
+ for (i = 0; i < num; i++) {
alts = &iface->altsetting[i];
altsd = get_iface_desc(alts);
/* skip invalid one */
/* skip non-supported classes */
continue;
}
+ if (snd_usb_get_speed(dev) == USB_SPEED_LOW) {
+ snd_printk(KERN_ERR "low speed audio streaming not supported\n");
+ continue;
+ }
if (! parse_audio_endpoints(chip, j)) {
usb_set_interface(dev, j, 0); /* reset the current interface */
usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L);
struct audioformat *fp;
struct usb_host_interface *alts;
int stream, err;
- int *rate_table = NULL;
+ unsigned *rate_table = NULL;
fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
if (! fp) {
}
/*
- * Create a stream for an Edirol UA-700/UA-25 interface. The only way
- * to detect the sample rate is by looking at wMaxPacketSize.
+ * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
+ * The only way to detect the sample rate is by looking at wMaxPacketSize.
*/
-static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
- struct usb_interface *iface,
- const struct snd_usb_audio_quirk *quirk)
+static int create_uaxx_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
{
static const struct audioformat ua_format = {
.format = SNDRV_PCM_FORMAT_S24_3LE,
struct audioformat *fp;
int stream, err;
- /* both PCM and MIDI interfaces have 2 altsettings */
- if (iface->num_altsetting != 2)
+ /* both PCM and MIDI interfaces have 2 or more altsettings */
+ if (iface->num_altsetting < 2)
return -ENXIO;
alts = &iface->altsetting[1];
altsd = get_iface_desc(alts);
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = &ua700_ep
};
- static const struct snd_usb_midi_endpoint_info ua25_ep = {
+ static const struct snd_usb_midi_endpoint_info uaxx_ep = {
.out_cables = 0x0001,
.in_cables = 0x0001
};
- static const struct snd_usb_audio_quirk ua25_quirk = {
+ static const struct snd_usb_audio_quirk uaxx_quirk = {
.type = QUIRK_MIDI_FIXED_ENDPOINT,
- .data = &ua25_ep
+ .data = &uaxx_ep
};
if (chip->usb_id == USB_ID(0x0582, 0x002b))
return snd_usb_create_midi_interface(chip, iface,
&ua700_quirk);
else
return snd_usb_create_midi_interface(chip, iface,
- &ua25_quirk);
+ &uaxx_quirk);
}
if (altsd->bNumEndpoints != 1)
static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
int iface, int altno)
{
+ /* Reset ALL ifaces to 0 altsetting.
+ * Call it for every possible altsetting of every interface.
+ */
+ usb_set_interface(chip->dev, iface, 0);
+
if (device_setup[chip->index] & AUDIOPHILE_SET) {
if ((device_setup[chip->index] & AUDIOPHILE_SET_DTS)
&& altno != 6)
[QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
- [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
[QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk,
+ [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
};
if (quirk->type < QUIRK_TYPE_COUNT) {
static void proc_audio_usbbus_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_usb_audio *chip = entry->private_data;
- if (! chip->shutdown)
+ if (!chip->shutdown)
snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum);
}
static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_usb_audio *chip = entry->private_data;
- if (! chip->shutdown)
+ if (!chip->shutdown)
snd_iprintf(buffer, "%04x:%04x\n",
USB_ID_VENDOR(chip->usb_id),
USB_ID_PRODUCT(chip->usb_id));
static void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
{
struct snd_info_entry *entry;
- if (! snd_card_proc_new(chip->card, "usbbus", &entry))
+ if (!snd_card_proc_new(chip->card, "usbbus", &entry))
snd_info_set_text_ops(entry, chip, proc_audio_usbbus_read);
- if (! snd_card_proc_new(chip->card, "usbid", &entry))
+ if (!snd_card_proc_new(chip->card, "usbid", &entry))
snd_info_set_text_ops(entry, chip, proc_audio_usbid_read);
}
static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
- usb_chip[chip->index] = NULL;
kfree(chip);
return 0;
}
*rchip = NULL;
- if (snd_usb_get_speed(dev) != USB_SPEED_FULL &&
+ if (snd_usb_get_speed(dev) != USB_SPEED_LOW &&
+ snd_usb_get_speed(dev) != USB_SPEED_FULL &&
snd_usb_get_speed(dev) != USB_SPEED_HIGH) {
snd_printk(KERN_ERR "unknown device speed %d\n", snd_usb_get_speed(dev));
return -ENXIO;
usb_make_path(dev, card->longname + len, sizeof(card->longname) - len);
strlcat(card->longname,
- snd_usb_get_speed(dev) == USB_SPEED_FULL ? ", full speed" : ", high speed",
+ snd_usb_get_speed(dev) == USB_SPEED_LOW ? ", low speed" :
+ snd_usb_get_speed(dev) == USB_SPEED_FULL ? ", full speed" :
+ ", high speed",
sizeof(card->longname));
snd_usb_audio_create_proc(chip);
snd_card_set_dev(chip->card, &intf->dev);
break;
}
- if (! chip) {
- snd_printk(KERN_ERR "no available usb audio device\n");
+ if (!chip) {
+ printk(KERN_ERR "no available usb audio device\n");
goto __error;
}
}
if (err > 0) {
/* create normal USB audio interfaces */
if (snd_usb_create_streams(chip, ifnum) < 0 ||
- snd_usb_create_mixer(chip, ifnum) < 0) {
+ snd_usb_create_mixer(chip, ifnum, ignore_ctl_error) < 0) {
goto __error;
}
}
list_for_each(p, &chip->mixer_list) {
snd_usb_mixer_disconnect(p);
}
+ usb_chip[chip->index] = NULL;
mutex_unlock(®ister_mutex);
snd_card_free_when_closed(card);
} else {
dev_get_drvdata(&intf->dev));
}
+#ifdef CONFIG_PM
+static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+ struct list_head *p;
+ struct snd_usb_stream *as;
+
+ if (chip == (void *)-1L)
+ return 0;
+
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
+ if (!chip->num_suspended_intf++) {
+ list_for_each(p, &chip->pcm_list) {
+ as = list_entry(p, struct snd_usb_stream, list);
+ snd_pcm_suspend_all(as->pcm);
+ }
+ }
+
+ return 0;
+}
+
+static int usb_audio_resume(struct usb_interface *intf)
+{
+ struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+
+ if (chip == (void *)-1L)
+ return 0;
+ if (--chip->num_suspended_intf)
+ return 0;
+ /*
+ * ALSA leaves material resumption to user space
+ * we just notify
+ */
+
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
+
+ return 0;
+}
+#endif /* CONFIG_PM */
static int __init snd_usb_audio_init(void)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff