diff options
Diffstat (limited to 'sound/usb')
-rw-r--r-- | sound/usb/usbaudio.c | 63 |
1 files changed, 32 insertions, 31 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 26fb5769d951..7b3bcf1916d2 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -64,9 +64,10 @@ MODULE_SUPPORTED_DEVICE("{{Generic,USB Audio}}"); 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*/ @@ -687,7 +688,7 @@ static void snd_complete_urb(struct urb *urb) 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); @@ -710,7 +711,7 @@ static void snd_complete_sync_urb(struct urb *urb) 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); @@ -740,7 +741,7 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, size_t s 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; @@ -772,12 +773,12 @@ static int deactivate_urbs(struct snd_usb_substream *subs, int force, int can_sl 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); @@ -789,7 +790,7 @@ static int deactivate_urbs(struct snd_usb_substream *subs, int force, int can_sl 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); @@ -1137,12 +1138,12 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri 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; @@ -1155,7 +1156,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri /* 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]; @@ -1163,7 +1164,7 @@ static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int peri 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; @@ -1463,7 +1464,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, 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; @@ -1584,7 +1585,7 @@ static int hw_check_valid_format(struct snd_pcm_hw_params *params, struct audiof 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; } @@ -1620,7 +1621,7 @@ static int hw_rule_rate(struct snd_pcm_hw_params *params, 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) @@ -1633,7 +1634,7 @@ static int hw_rule_rate(struct snd_pcm_hw_params *params, } } - if (! changed) { + if (!changed) { hwc_debug(" --> get empty\n"); it->empty = 1; return -EINVAL; @@ -1674,7 +1675,7 @@ static int hw_rule_channels(struct snd_pcm_hw_params *params, 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) @@ -1687,7 +1688,7 @@ static int hw_rule_channels(struct snd_pcm_hw_params *params, } } - if (! changed) { + if (!changed) { hwc_debug(" --> get empty\n"); it->empty = 1; return -EINVAL; @@ -1727,7 +1728,7 @@ static int hw_rule_format(struct snd_pcm_hw_params *params, 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); } @@ -1736,7 +1737,7 @@ static int hw_rule_format(struct snd_pcm_hw_params *params, 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; } @@ -2227,7 +2228,7 @@ static void proc_pcm_format_add(struct snd_usb_stream *stream) 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); } @@ -2283,7 +2284,7 @@ static void free_substream(struct snd_usb_substream *subs) { 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); @@ -2333,7 +2334,7 @@ static int add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct aud 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); @@ -2359,7 +2360,7 @@ static int add_audio_endpoint(struct snd_usb_audio *chip, int stream, struct aud /* 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; @@ -3392,14 +3393,14 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip, 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)); @@ -3408,9 +3409,9 @@ static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_ 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); } @@ -3617,8 +3618,8 @@ static void *snd_usb_audio_probe(struct usb_device *dev, 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; } } |