int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var);
+ int snd_pcm_hw_rule_noresample(struct snd_pcm_runtime *runtime,
+ unsigned int base_rate);
int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime,
unsigned int cond,
int var,
atomic_dec(&substream->mmap_count);
}
+int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *area);
/* mmap for io-memory area */
#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_ALPHA)
#define SNDRV_PCM_INFO_MMAP_IOMEM SNDRV_PCM_INFO_MMAP
static int snd_pcm_open_file(struct file *file,
struct snd_pcm *pcm,
- int stream,
- struct snd_pcm_file **rpcm_file)
+ int stream)
{
struct snd_pcm_file *pcm_file;
struct snd_pcm_substream *substream;
int err;
- if (rpcm_file)
- *rpcm_file = NULL;
-
err = snd_pcm_open_substream(pcm, stream, file, &substream);
if (err < 0)
return err;
substream->pcm_release = pcm_release_private;
}
file->private_data = pcm_file;
- if (rpcm_file)
- *rpcm_file = pcm_file;
+
return 0;
}
static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
{
int err;
- struct snd_pcm_file *pcm_file;
wait_queue_t wait;
if (pcm == NULL) {
add_wait_queue(&pcm->open_wait, &wait);
mutex_lock(&pcm->open_mutex);
while (1) {
- err = snd_pcm_open_file(file, pcm, stream, &pcm_file);
+ err = snd_pcm_open_file(file, pcm, stream);
if (err >= 0)
break;
if (err == -EAGAIN) {
/*
* mmap the DMA buffer on RAM
*/
-static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
- struct vm_area_struct *area)
+int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *area)
{
area->vm_flags |= VM_RESERVED;
#ifdef ARCH_HAS_DMA_MMAP_COHERENT
area->vm_ops = &snd_pcm_vm_ops_data_fault;
return 0;
}
+EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
/*
* mmap the DMA buffer on I/O memory area
if (substream->ops->mmap)
err = substream->ops->mmap(substream, area);
else
- err = snd_pcm_default_mmap(substream, area);
+ err = snd_pcm_lib_default_mmap(substream, area);
if (!err)
atomic_inc(&substream->mmap_count);
return err;
#include "helper.h"
#include "debug.h"
#include "pcm.h"
- #include "urb.h"
#include "format.h"
#include "power.h"
+ #include "stream.h"
MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
MODULE_DESCRIPTION("USB Audio");
return -EINVAL;
}
- if (! snd_usb_parse_audio_endpoints(chip, interface)) {
+ if (! snd_usb_parse_audio_interface(chip, interface)) {
usb_set_interface(dev, interface, 0); /* reset the current interface */
usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L);
return -EINVAL;
return chip;
__error:
- if (chip && !chip->num_interfaces)
- snd_card_free(chip->card);
+ if (chip) {
+ if (!chip->num_interfaces)
+ snd_card_free(chip->card);
+ chip->probing = 0;
+ }
mutex_unlock(®ister_mutex);
__err_val:
return NULL;