diff options
Diffstat (limited to 'sound/usb')
-rw-r--r-- | sound/usb/caiaq/caiaq-device.c | 22 | ||||
-rw-r--r-- | sound/usb/usbaudio.c | 6 | ||||
-rw-r--r-- | sound/usb/usbmixer.c | 22 | ||||
-rw-r--r-- | sound/usb/usx2y/us122l.c | 59 | ||||
-rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 12 | ||||
-rw-r--r-- | sound/usb/usx2y/usbusx2y.c | 52 |
6 files changed, 85 insertions, 88 deletions
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c index 41c36b055f6..09aed2363cc 100644 --- a/sound/usb/caiaq/caiaq-device.c +++ b/sound/usb/caiaq/caiaq-device.c @@ -336,9 +336,10 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev) log("Unable to set up control system (ret=%d)\n", ret); } -static struct snd_card* create_card(struct usb_device* usb_dev) +static int create_card(struct usb_device* usb_dev, struct snd_card **cardp) { int devnum; + int err; struct snd_card *card; struct snd_usb_caiaqdev *dev; @@ -347,12 +348,12 @@ static struct snd_card* create_card(struct usb_device* usb_dev) break; if (devnum >= SNDRV_CARDS) - return NULL; + return -ENODEV; - card = snd_card_new(index[devnum], id[devnum], THIS_MODULE, - sizeof(struct snd_usb_caiaqdev)); - if (!card) - return NULL; + err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, + sizeof(struct snd_usb_caiaqdev), &card); + if (err < 0) + return err; dev = caiaqdev(card); dev->chip.dev = usb_dev; @@ -362,7 +363,8 @@ static struct snd_card* create_card(struct usb_device* usb_dev) spin_lock_init(&dev->spinlock); snd_card_set_dev(card, &usb_dev->dev); - return card; + *cardp = card; + return 0; } static int __devinit init_card(struct snd_usb_caiaqdev *dev) @@ -441,10 +443,10 @@ static int __devinit snd_probe(struct usb_interface *intf, struct snd_card *card; struct usb_device *device = interface_to_usbdev(intf); - card = create_card(device); + ret = create_card(device, &card); - if (!card) - return -ENOMEM; + if (ret < 0) + return ret; usb_set_intfdata(intf, card); ret = init_card(caiaqdev(card)); diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 19e37451c21..8f3cdb37a0e 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -3466,10 +3466,10 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, return -ENXIO; } - card = snd_card_new(index[idx], id[idx], THIS_MODULE, 0); - if (card == NULL) { + err = snd_card_create(index[idx], id[idx], THIS_MODULE, 0, &card); + if (err < 0) { snd_printk(KERN_ERR "cannot create card instance %d\n", idx); - return -ENOMEM; + return err; } chip = kzalloc(sizeof(*chip), GFP_KERNEL); diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 00397c8a765..2bde79216fa 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -78,7 +78,6 @@ struct usb_mixer_interface { /* Sound Blaster remote control stuff */ const struct rc_config *rc_cfg; - unsigned long rc_hwdep_open; u32 rc_code; wait_queue_head_t rc_waitq; struct urb *rc_urb; @@ -1797,24 +1796,6 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb) wake_up(&mixer->rc_waitq); } -static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - struct usb_mixer_interface *mixer = hw->private_data; - - if (test_and_set_bit(0, &mixer->rc_hwdep_open)) - return -EBUSY; - return 0; -} - -static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - struct usb_mixer_interface *mixer = hw->private_data; - - clear_bit(0, &mixer->rc_hwdep_open); - smp_mb__after_clear_bit(); - return 0; -} - static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, long count, loff_t *offset) { @@ -1867,9 +1848,8 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; hwdep->private_data = mixer; hwdep->ops.read = snd_usb_sbrc_hwdep_read; - hwdep->ops.open = snd_usb_sbrc_hwdep_open; - hwdep->ops.release = snd_usb_sbrc_hwdep_release; hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; + hwdep->exclusive = 1; mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); if (!mixer->rc_urb) diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 73e59f4403a..98276aafefe 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -478,19 +478,21 @@ static bool us122l_create_card(struct snd_card *card) return true; } -static struct snd_card *usx2y_create_card(struct usb_device *device) +static int usx2y_create_card(struct usb_device *device, struct snd_card **cardp) { int dev; struct snd_card *card; + int err; + for (dev = 0; dev < SNDRV_CARDS; ++dev) if (enable[dev] && !snd_us122l_card_used[dev]) break; if (dev >= SNDRV_CARDS) - return NULL; - card = snd_card_new(index[dev], id[dev], THIS_MODULE, - sizeof(struct us122l)); - if (!card) - return NULL; + return -ENODEV; + err = snd_card_create(index[dev], id[dev], THIS_MODULE, + sizeof(struct us122l), &card); + if (err < 0) + return err; snd_us122l_card_used[US122L(card)->chip.index = dev] = 1; US122L(card)->chip.dev = device; @@ -509,46 +511,57 @@ static struct snd_card *usx2y_create_card(struct usb_device *device) US122L(card)->chip.dev->devnum ); snd_card_set_dev(card, &device->dev); - return card; + *cardp = card; + return 0; } -static void *us122l_usb_probe(struct usb_interface *intf, - const struct usb_device_id *device_id) +static int us122l_usb_probe(struct usb_interface *intf, + const struct usb_device_id *device_id, + struct snd_card **cardp) { struct usb_device *device = interface_to_usbdev(intf); - struct snd_card *card = usx2y_create_card(device); + struct snd_card *card; + int err; - if (!card) - return NULL; + err = usx2y_create_card(device, &card); + if (err < 0) + return err; - if (!us122l_create_card(card) || - snd_card_register(card) < 0) { + if (!us122l_create_card(card)) { snd_card_free(card); - return NULL; + return -EINVAL; + } + + err = snd_card_register(card); + if (err < 0) { + snd_card_free(card); + return err; } usb_get_dev(device); - return card; + *cardp = card; + return 0; } static int snd_us122l_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct snd_card *card; + int err; + snd_printdd(KERN_DEBUG"%p:%i\n", intf, intf->cur_altsetting->desc.bInterfaceNumber); if (intf->cur_altsetting->desc.bInterfaceNumber != 1) return 0; - card = us122l_usb_probe(usb_get_intf(intf), id); - - if (card) { - usb_set_intfdata(intf, card); - return 0; + err = us122l_usb_probe(usb_get_intf(intf), id, &card); + if (err < 0) { + usb_put_intf(intf); + return err; } - usb_put_intf(intf); - return -EIO; + usb_set_intfdata(intf, card); + return 0; } static void snd_us122l_disconnect(struct usb_interface *intf) diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 1558a5c4094..a26d8d83d3e 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -106,16 +106,6 @@ static unsigned int snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, } -static int snd_usX2Y_hwdep_open(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - -static int snd_usX2Y_hwdep_release(struct snd_hwdep *hw, struct file *file) -{ - return 0; -} - static int snd_usX2Y_hwdep_dsp_status(struct snd_hwdep *hw, struct snd_hwdep_dsp_status *info) { @@ -267,8 +257,6 @@ int usX2Y_hwdep_new(struct snd_card *card, struct usb_device* device) hw->iface = SNDRV_HWDEP_IFACE_USX2Y; hw->private_data = usX2Y(card); - hw->ops.open = snd_usX2Y_hwdep_open; - hw->ops.release = snd_usX2Y_hwdep_release; hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status; hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load; hw->ops.mmap = snd_us428ctls_mmap; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index 11639bd72a5..af8b8495405 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -333,18 +333,21 @@ static struct usb_device_id snd_usX2Y_usb_id_table[] = { { /* terminator */ } }; -static struct snd_card *usX2Y_create_card(struct usb_device *device) +static int usX2Y_create_card(struct usb_device *device, struct snd_card **cardp) { int dev; struct snd_card * card; + int err; + for (dev = 0; dev < SNDRV_CARDS; ++dev) if (enable[dev] && !snd_usX2Y_card_used[dev]) break; if (dev >= SNDRV_CARDS) - return NULL; - card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct usX2Ydev)); - if (!card) - return NULL; + return -ENODEV; + err = snd_card_create(index[dev], id[dev], THIS_MODULE, + sizeof(struct usX2Ydev), &card); + if (err < 0) + return err; snd_usX2Y_card_used[usX2Y(card)->chip.index = dev] = 1; card->private_free = snd_usX2Y_card_private_free; usX2Y(card)->chip.dev = device; @@ -362,26 +365,36 @@ static struct snd_card *usX2Y_create_card(struct usb_device *device) usX2Y(card)->chip.dev->bus->busnum, usX2Y(card)->chip.dev->devnum ); snd_card_set_dev(card, &device->dev); - return card; + *cardp = card; + return 0; } -static void *usX2Y_usb_probe(struct usb_device *device, struct usb_interface *intf, const struct usb_device_id *device_id) +static int usX2Y_usb_probe(struct usb_device *device, + struct usb_interface *intf, + const struct usb_device_id *device_id, + struct snd_card **cardp) { int err; struct snd_card * card; + + *cardp = NULL; if (le16_to_cpu(device->descriptor.idVendor) != 0x1604 || (le16_to_cpu(device->descriptor.idProduct) != USB_ID_US122 && le16_to_cpu(device->descriptor.idProduct) != USB_ID_US224 && - le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428) || - !(card = usX2Y_create_card(device))) - return NULL; + le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428)) + return -EINVAL; + + err = usX2Y_create_card(device, &card); + if (err < 0) + return err; if ((err = usX2Y_hwdep_new(card, device)) < 0 || (err = snd_card_register(card)) < 0) { snd_card_free(card); - return NULL; + return err; } - return card; + *cardp = card; + return 0; } /* @@ -389,13 +402,14 @@ static void *usX2Y_usb_probe(struct usb_device *device, struct usb_interface *in */ static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id) { - void *chip; - chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id); - if (chip) { - usb_set_intfdata(intf, chip); - return 0; - } else - return -EIO; + struct snd_card *card; + int err; + + err = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id, &card); + if (err < 0) + return err; + dev_set_drvdata(&intf->dev, card); + return 0; } static void snd_usX2Y_disconnect(struct usb_interface *intf) |