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Diffstat (limited to 'sound/usb/card.c')
-rw-r--r--sound/usb/card.c114
1 files changed, 62 insertions, 52 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 64952e2d3ed..a09e5f3519e 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -79,7 +79,6 @@ static bool 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 device_setup[SNDRV_CARDS]; /* device parameter for this card */
static bool ignore_ctl_error;
static bool autoclock = true;
@@ -94,8 +93,6 @@ module_param_array(vid, int, NULL, 0444);
MODULE_PARM_DESC(vid, "Vendor ID for the USB audio device.");
module_param_array(pid, int, NULL, 0444);
MODULE_PARM_DESC(pid, "Product ID for the USB audio device.");
-module_param(nrpacks, int, 0644);
-MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB.");
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);
@@ -142,8 +139,8 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
struct usb_interface *iface = usb_ifnum_to_if(dev, interface);
if (!iface) {
- snd_printk(KERN_ERR "%d:%u:%d : does not exist\n",
- dev->devnum, ctrlif, interface);
+ dev_err(&dev->dev, "%u:%d : does not exist\n",
+ ctrlif, interface);
return -EINVAL;
}
@@ -168,8 +165,8 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
}
if (usb_interface_claimed(iface)) {
- snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n",
- dev->devnum, ctrlif, interface);
+ dev_dbg(&dev->dev, "%d:%d: skipping, already claimed\n",
+ ctrlif, interface);
return -EINVAL;
}
@@ -179,8 +176,9 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
int err = snd_usbmidi_create(chip->card, iface,
&chip->midi_list, NULL);
if (err < 0) {
- snd_printk(KERN_ERR "%d:%u:%d: cannot create sequencer device\n",
- dev->devnum, ctrlif, interface);
+ dev_err(&dev->dev,
+ "%u:%d: cannot create sequencer device\n",
+ ctrlif, interface);
return -EINVAL;
}
usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L);
@@ -191,14 +189,15 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int
if ((altsd->bInterfaceClass != USB_CLASS_AUDIO &&
altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING) {
- snd_printdd(KERN_ERR "%d:%u:%d: skipping non-supported interface %d\n",
- dev->devnum, ctrlif, interface, altsd->bInterfaceClass);
+ dev_dbg(&dev->dev,
+ "%u:%d: skipping non-supported interface %d\n",
+ ctrlif, interface, altsd->bInterfaceClass);
/* skip non-supported classes */
return -EINVAL;
}
if (snd_usb_get_speed(dev) == USB_SPEED_LOW) {
- snd_printk(KERN_ERR "low speed audio streaming not supported\n");
+ dev_err(&dev->dev, "low speed audio streaming not supported\n");
return -EINVAL;
}
@@ -231,26 +230,27 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
protocol = altsd->bInterfaceProtocol;
if (!control_header) {
- snd_printk(KERN_ERR "cannot find UAC_HEADER\n");
+ dev_err(&dev->dev, "cannot find UAC_HEADER\n");
return -EINVAL;
}
switch (protocol) {
default:
- snd_printdd(KERN_WARNING "unknown interface protocol %#02x, assuming v1\n",
- protocol);
+ dev_warn(&dev->dev,
+ "unknown interface protocol %#02x, assuming v1\n",
+ protocol);
/* fall through */
case UAC_VERSION_1: {
struct uac1_ac_header_descriptor *h1 = control_header;
if (!h1->bInCollection) {
- snd_printk(KERN_INFO "skipping empty audio interface (v1)\n");
+ dev_info(&dev->dev, "skipping empty audio interface (v1)\n");
return -EINVAL;
}
if (h1->bLength < sizeof(*h1) + h1->bInCollection) {
- snd_printk(KERN_ERR "invalid UAC_HEADER (v1)\n");
+ dev_err(&dev->dev, "invalid UAC_HEADER (v1)\n");
return -EINVAL;
}
@@ -280,7 +280,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
}
if (!assoc) {
- snd_printk(KERN_ERR "Audio class v2 interfaces need an interface association\n");
+ dev_err(&dev->dev, "Audio class v2 interfaces need an interface association\n");
return -EINVAL;
}
@@ -307,6 +307,11 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
static int snd_usb_audio_free(struct snd_usb_audio *chip)
{
+ struct list_head *p, *n;
+
+ list_for_each_safe(p, n, &chip->ep_list)
+ snd_usb_endpoint_free(p);
+
mutex_destroy(&chip->mutex);
kfree(chip);
return 0;
@@ -331,7 +336,8 @@ static void remove_trailing_spaces(char *str)
/*
* create a chip instance and set its names.
*/
-static int snd_usb_audio_create(struct usb_device *dev, int idx,
+static int snd_usb_audio_create(struct usb_interface *intf,
+ struct usb_device *dev, int idx,
const struct snd_usb_audio_quirk *quirk,
struct snd_usb_audio **rchip)
{
@@ -349,16 +355,18 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
case USB_SPEED_LOW:
case USB_SPEED_FULL:
case USB_SPEED_HIGH:
+ case USB_SPEED_WIRELESS:
case USB_SPEED_SUPER:
break;
default:
- snd_printk(KERN_ERR "unknown device speed %d\n", snd_usb_get_speed(dev));
+ dev_err(&dev->dev, "unknown device speed %d\n", snd_usb_get_speed(dev));
return -ENXIO;
}
- err = snd_card_create(index[idx], id[idx], THIS_MODULE, 0, &card);
+ err = snd_card_new(&intf->dev, index[idx], id[idx], THIS_MODULE,
+ 0, &card);
if (err < 0) {
- snd_printk(KERN_ERR "cannot create card instance %d\n", idx);
+ dev_err(&dev->dev, "cannot create card instance %d\n", idx);
return err;
}
@@ -374,7 +382,6 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
chip->dev = dev;
chip->card = card;
chip->setup = device_setup[idx];
- chip->nrpacks = nrpacks;
chip->autoclock = autoclock;
chip->probing = 1;
@@ -500,7 +507,7 @@ snd_usb_audio_probe(struct usb_device *dev,
for (i = 0; i < SNDRV_CARDS; i++) {
if (usb_chip[i] && usb_chip[i]->dev == dev) {
if (usb_chip[i]->shutdown) {
- snd_printk(KERN_ERR "USB device is in the shutdown state, cannot create a card instance\n");
+ dev_err(&dev->dev, "USB device is in the shutdown state, cannot create a card instance\n");
goto __error;
}
chip = usb_chip[i];
@@ -516,15 +523,15 @@ snd_usb_audio_probe(struct usb_device *dev,
if (enable[i] && ! usb_chip[i] &&
(vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) &&
(pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) {
- if (snd_usb_audio_create(dev, i, quirk, &chip) < 0) {
+ if (snd_usb_audio_create(intf, dev, i, quirk,
+ &chip) < 0) {
goto __error;
}
- snd_card_set_dev(chip->card, &intf->dev);
chip->pm_intf = intf;
break;
}
if (!chip) {
- printk(KERN_ERR "no available usb audio device\n");
+ dev_err(&dev->dev, "no available usb audio device\n");
goto __error;
}
}
@@ -583,7 +590,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
struct snd_usb_audio *chip)
{
struct snd_card *card;
- struct list_head *p, *n;
+ struct list_head *p;
if (chip == (void *)-1L)
return;
@@ -596,14 +603,16 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
mutex_lock(&register_mutex);
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
+ struct snd_usb_endpoint *ep;
+
snd_card_disconnect(card);
/* release the pcm resources */
list_for_each(p, &chip->pcm_list) {
snd_usb_stream_disconnect(p);
}
/* release the endpoint resources */
- list_for_each_safe(p, n, &chip->ep_list) {
- snd_usb_endpoint_free(p);
+ list_for_each_entry(ep, &chip->ep_list, list) {
+ snd_usb_endpoint_release(ep);
}
/* release the midi resources */
list_for_each(p, &chip->midi_list) {
@@ -649,7 +658,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
int err = -ENODEV;
down_read(&chip->shutdown_rwsem);
- if (chip->probing)
+ if (chip->probing && chip->in_pm)
err = 0;
else if (!chip->shutdown)
err = usb_autopm_get_interface(chip->pm_intf);
@@ -661,7 +670,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
void snd_usb_autosuspend(struct snd_usb_audio *chip)
{
down_read(&chip->shutdown_rwsem);
- if (!chip->shutdown && !chip->probing)
+ if (!chip->shutdown && !chip->probing && !chip->in_pm)
usb_autopm_put_interface(chip->pm_intf);
up_read(&chip->shutdown_rwsem);
}
@@ -693,13 +702,14 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
chip->autosuspended = 1;
}
- list_for_each_entry(mixer, &chip->mixer_list, list)
- snd_usb_mixer_inactivate(mixer);
+ if (chip->num_suspended_intf == 1)
+ list_for_each_entry(mixer, &chip->mixer_list, list)
+ snd_usb_mixer_suspend(mixer);
return 0;
}
-static int usb_audio_resume(struct usb_interface *intf)
+static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume)
{
struct snd_usb_audio *chip = usb_get_intfdata(intf);
struct usb_mixer_interface *mixer;
@@ -709,12 +719,14 @@ static int usb_audio_resume(struct usb_interface *intf)
return 0;
if (--chip->num_suspended_intf)
return 0;
+
+ chip->in_pm = 1;
/*
* ALSA leaves material resumption to user space
* we just notify and restart the mixers
*/
list_for_each_entry(mixer, &chip->mixer_list, list) {
- err = snd_usb_mixer_activate(mixer);
+ err = snd_usb_mixer_resume(mixer, reset_resume);
if (err < 0)
goto err_out;
}
@@ -724,11 +736,23 @@ static int usb_audio_resume(struct usb_interface *intf)
chip->autosuspended = 0;
err_out:
+ chip->in_pm = 0;
return err;
}
+
+static int usb_audio_resume(struct usb_interface *intf)
+{
+ return __usb_audio_resume(intf, false);
+}
+
+static int usb_audio_reset_resume(struct usb_interface *intf)
+{
+ return __usb_audio_resume(intf, true);
+}
#else
#define usb_audio_suspend NULL
#define usb_audio_resume NULL
+#define usb_audio_reset_resume NULL
#endif /* CONFIG_PM */
static struct usb_device_id usb_audio_ids [] = {
@@ -750,23 +774,9 @@ static struct usb_driver usb_audio_driver = {
.disconnect = usb_audio_disconnect,
.suspend = usb_audio_suspend,
.resume = usb_audio_resume,
+ .reset_resume = usb_audio_reset_resume,
.id_table = usb_audio_ids,
.supports_autosuspend = 1,
};
-static int __init snd_usb_audio_init(void)
-{
- if (nrpacks < 1 || nrpacks > MAX_PACKS) {
- printk(KERN_WARNING "invalid nrpacks value.\n");
- return -EINVAL;
- }
- return usb_register(&usb_audio_driver);
-}
-
-static void __exit snd_usb_audio_cleanup(void)
-{
- usb_deregister(&usb_audio_driver);
-}
-
-module_init(snd_usb_audio_init);
-module_exit(snd_usb_audio_cleanup);
+module_usb_driver(usb_audio_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 22:24:22 +0000