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Diffstat (limited to 'sound/usb/misc/ua101.c')
-rw-r--r--sound/usb/misc/ua101.c72
1 files changed, 41 insertions, 31 deletions
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index fb5d68fa7ff..a1bab149df4 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -52,7 +52,7 @@ MODULE_SUPPORTED_DEVICE("{{Edirol,UA-101},{Edirol,UA-1000}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
static unsigned int queue_length = 21;
module_param_array(index, int, NULL, 0444);
@@ -459,7 +459,8 @@ static void kill_stream_urbs(struct ua101_stream *stream)
unsigned int i;
for (i = 0; i < stream->queue_length; ++i)
- usb_kill_urb(&stream->urbs[i]->urb);
+ if (stream->urbs[i])
+ usb_kill_urb(&stream->urbs[i]->urb);
}
static int enable_iso_interface(struct ua101 *ua, unsigned int intf_index)
@@ -484,6 +485,9 @@ static void disable_iso_interface(struct ua101 *ua, unsigned int intf_index)
{
struct usb_host_interface *alts;
+ if (!ua->intf[intf_index])
+ return;
+
alts = ua->intf[intf_index]->cur_altsetting;
if (alts->desc.bAlternateSetting != 0) {
int err = usb_set_interface(ua->dev,
@@ -609,14 +613,24 @@ static int start_usb_playback(struct ua101 *ua)
static void abort_alsa_capture(struct ua101 *ua)
{
- if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states))
+ unsigned long flags;
+
+ if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) {
+ snd_pcm_stream_lock_irqsave(ua->capture.substream, flags);
snd_pcm_stop(ua->capture.substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(ua->capture.substream, flags);
+ }
}
static void abort_alsa_playback(struct ua101 *ua)
{
- if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states))
+ unsigned long flags;
+
+ if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) {
+ snd_pcm_stream_lock_irqsave(ua->playback.substream, flags);
snd_pcm_stop(ua->playback.substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(ua->playback.substream, flags);
+ }
}
static int set_stream_hw(struct ua101 *ua, struct snd_pcm_substream *substream,
@@ -645,7 +659,7 @@ static int set_stream_hw(struct ua101 *ua, struct snd_pcm_substream *substream,
err = snd_pcm_hw_constraint_minmax(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIOD_TIME,
1500000 / ua->packets_per_second,
- 8192000);
+ UINT_MAX);
if (err < 0)
return err;
err = snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);
@@ -1116,8 +1130,7 @@ static int alloc_stream_urbs(struct ua101 *ua, struct ua101_stream *stream,
usb_init_urb(&urb->urb);
urb->urb.dev = ua->dev;
urb->urb.pipe = stream->usb_pipe;
- urb->urb.transfer_flags = URB_ISO_ASAP |
- URB_NO_TRANSFER_DMA_MAP;
+ urb->urb.transfer_flags = URB_NO_TRANSFER_DMA_MAP;
urb->urb.transfer_buffer = addr;
urb->urb.transfer_dma = dma;
urb->urb.transfer_buffer_length = max_packet_size;
@@ -1144,27 +1157,37 @@ static void free_stream_urbs(struct ua101_stream *stream)
{
unsigned int i;
- for (i = 0; i < stream->queue_length; ++i)
+ for (i = 0; i < stream->queue_length; ++i) {
kfree(stream->urbs[i]);
+ stream->urbs[i] = NULL;
+ }
}
static void free_usb_related_resources(struct ua101 *ua,
struct usb_interface *interface)
{
unsigned int i;
+ struct usb_interface *intf;
+ mutex_lock(&ua->mutex);
free_stream_urbs(&ua->capture);
free_stream_urbs(&ua->playback);
+ mutex_unlock(&ua->mutex);
free_stream_buffers(ua, &ua->capture);
free_stream_buffers(ua, &ua->playback);
- for (i = 0; i < ARRAY_SIZE(ua->intf); ++i)
- if (ua->intf[i]) {
- usb_set_intfdata(ua->intf[i], NULL);
- if (ua->intf[i] != interface)
+ for (i = 0; i < ARRAY_SIZE(ua->intf); ++i) {
+ mutex_lock(&ua->mutex);
+ intf = ua->intf[i];
+ ua->intf[i] = NULL;
+ mutex_unlock(&ua->mutex);
+ if (intf) {
+ usb_set_intfdata(intf, NULL);
+ if (intf != interface)
usb_driver_release_interface(&ua101_driver,
- ua->intf[i]);
+ intf);
}
+ }
}
static void ua101_card_free(struct snd_card *card)
@@ -1220,8 +1243,9 @@ static int ua101_probe(struct usb_interface *interface,
mutex_unlock(&devices_mutex);
return -ENOENT;
}
- err = snd_card_create(index[card_index], id[card_index], THIS_MODULE,
- sizeof(*ua), &card);
+ err = snd_card_new(&interface->dev,
+ index[card_index], id[card_index], THIS_MODULE,
+ sizeof(*ua), &card);
if (err < 0) {
mutex_unlock(&devices_mutex);
return err;
@@ -1260,8 +1284,6 @@ static int ua101_probe(struct usb_interface *interface,
}
}
- snd_card_set_dev(card, &interface->dev);
-
err = detect_usb_format(ua);
if (err < 0)
goto probe_error;
@@ -1336,7 +1358,7 @@ static void ua101_disconnect(struct usb_interface *interface)
snd_card_disconnect(ua->card);
/* make sure that there are no pending USB requests */
- __list_for_each(midi, &ua->midi_list)
+ list_for_each(midi, &ua->midi_list)
snd_usbmidi_disconnect(midi);
abort_alsa_playback(ua);
abort_alsa_capture(ua);
@@ -1373,16 +1395,4 @@ static struct usb_driver ua101_driver = {
#endif
};
-static int __init alsa_card_ua101_init(void)
-{
- return usb_register(&ua101_driver);
-}
-
-static void __exit alsa_card_ua101_exit(void)
-{
- usb_deregister(&ua101_driver);
- mutex_destroy(&devices_mutex);
-}
-
-module_init(alsa_card_ua101_init);
-module_exit(alsa_card_ua101_exit);
+module_usb_driver(ua101_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 08:08:54 +0000