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ALSA: usx2y: Cleanup probe and disconnect callbacks

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Minor code refactoring by merging the superfluous function calls.
The functions were split in the past for covering pre-history USB
driver code, but this is utterly useless.

Link: https://lore.kernel.org/r/20210517131545.27252-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-05-17 15:15:44 +02:00
parent cae0cf651a
commit 2ac7a12ead
1 changed files with 40 additions and 67 deletions
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107
sound/usb/usx2y/usbusx2y.c
View file

@ -148,7 +148,6 @@ MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
static int snd_usx2y_card_used[SNDRV_CARDS];
static void usx2y_usb_disconnect(struct usb_device *usb_device, void *ptr);
static void snd_usx2y_card_private_free(struct snd_card *card);
static void usx2y_unlinkseq(struct snd_usx2y_async_seq *s);
@ -390,66 +389,6 @@ static int usx2y_create_card(struct usb_device *device,
return 0;
}
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))
return -EINVAL;
err = usx2y_create_card(device, intf, &card);
if (err < 0)
return err;
err = usx2y_hwdep_new(card, device);
if (err < 0)
goto error;
err = snd_card_register(card);
if (err < 0)
goto error;
*cardp = card;
return 0;
error:
snd_card_free(card);
return err;
}
/*
* new 2.5 USB kernel API
*/
static int snd_usx2y_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
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)
{
usx2y_usb_disconnect(interface_to_usbdev(intf),
usb_get_intfdata(intf));
}
static struct usb_driver snd_usx2y_usb_driver = {
.name = "snd-usb-usx2y",
.probe = snd_usx2y_probe,
.disconnect = snd_usx2y_disconnect,
.id_table = snd_usx2y_usb_id_table,
};
static void snd_usx2y_card_private_free(struct snd_card *card)
{
struct usx2ydev *usx2y = usx2y(card);
@ -463,18 +402,15 @@ static void snd_usx2y_card_private_free(struct snd_card *card)
snd_usx2y_card_used[usx2y->card_index] = 0;
}
/*
* Frees the device.
*/
static void usx2y_usb_disconnect(struct usb_device *device, void *ptr)
static void snd_usx2y_disconnect(struct usb_interface *intf)
{
struct snd_card *card;
struct usx2ydev *usx2y;
struct list_head *p;
if (!ptr)
card = usb_get_intfdata(intf);
if (!card)
return;
card = ptr;
usx2y = usx2y(card);
usx2y->chip_status = USX2Y_STAT_CHIP_HUP;
usx2y_unlinkseq(&usx2y->as04);
@ -490,4 +426,41 @@ static void usx2y_usb_disconnect(struct usb_device *device, void *ptr)
snd_card_free(card);
}
static int snd_usx2y_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *device = interface_to_usbdev(intf);
struct snd_card *card;
int err;
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))
return -EINVAL;
err = usx2y_create_card(device, intf, &card);
if (err < 0)
return err;
err = usx2y_hwdep_new(card, device);
if (err < 0)
goto error;
err = snd_card_register(card);
if (err < 0)
goto error;
dev_set_drvdata(&intf->dev, card);
return 0;
error:
snd_card_free(card);
return err;
}
static struct usb_driver snd_usx2y_usb_driver = {
.name = "snd-usb-usx2y",
.probe = snd_usx2y_probe,
.disconnect = snd_usx2y_disconnect,
.id_table = snd_usx2y_usb_id_table,
};
module_usb_driver(snd_usx2y_usb_driver);