}
-static void i_usX2Y_usbpcm_urb_complete(struct urb *urb, struct pt_regs *regs)
+static void i_usX2Y_usbpcm_urb_complete(struct urb *urb)
{
struct snd_usX2Y_substream *subs = urb->context;
struct usX2Ydev *usX2Y = subs->usX2Y;
usX2Y_error_urb_status(usX2Y, subs, urb);
return;
}
- if (likely((0xFFFF & urb->start_frame) == usX2Y->wait_iso_frame))
+ if (likely((urb->start_frame & 0xFFFF) == (usX2Y->wait_iso_frame & 0xFFFF)))
subs->completed_urb = urb;
else {
usX2Y_error_sequence(usX2Y, subs, urb);
if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED &&
(NULL == capsubs2 || capsubs2->completed_urb) &&
(playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) {
- if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) {
- if (nr_of_packs() <= urb->start_frame &&
- urb->start_frame <= (2 * nr_of_packs() - 1)) // uhci and ohci
- usX2Y->wait_iso_frame = urb->start_frame - nr_of_packs();
- else
- usX2Y->wait_iso_frame += nr_of_packs();
- } else {
+ if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame))
+ usX2Y->wait_iso_frame += nr_of_packs();
+ else {
snd_printdd("\n");
usX2Y_clients_stop(usX2Y);
}
usX2Y->prepare_subs = NULL;
}
-static void i_usX2Y_usbpcm_subs_startup(struct urb *urb, struct pt_regs *regs)
+static void i_usX2Y_usbpcm_subs_startup(struct urb *urb)
{
struct snd_usX2Y_substream *subs = urb->context;
struct usX2Ydev *usX2Y = subs->usX2Y;
wake_up(&usX2Y->prepare_wait_queue);
}
- i_usX2Y_usbpcm_urb_complete(urb, regs);
+ i_usX2Y_usbpcm_urb_complete(urb);
}
/*
if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED)
goto start;
}
- usX2Y->wait_iso_frame = -1;
start:
usX2Y_usbpcm_subs_startup(subs);
goto cleanup;
} else {
snd_printdd("%i\n", urb->start_frame);
- if (0 > usX2Y->wait_iso_frame)
+ if (u == 0)
usX2Y->wait_iso_frame = urb->start_frame;
}
urb->transfer_flags = 0;
for (s = 0; s < 2; ++s) {
struct snd_pcm_substream *substream;
substream = pcm->streams[s].substream;
- if (SUBSTREAM_BUSY(substream))
+ if (substream && SUBSTREAM_BUSY(substream))
err = -EBUSY;
}
}
}
-static struct page * snd_usX2Y_hwdep_pcm_vm_nopage(struct vm_area_struct *area, unsigned long address, int *type)
+static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_area_struct *area,
+ struct vm_fault *vmf)
{
unsigned long offset;
- struct page *page;
void *vaddr;
- offset = area->vm_pgoff << PAGE_SHIFT;
- offset += address - area->vm_start;
- snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM);
+ offset = vmf->pgoff << PAGE_SHIFT;
vaddr = (char*)((struct usX2Ydev *)area->vm_private_data)->hwdep_pcm_shm + offset;
- page = virt_to_page(vaddr);
- get_page(page);
-
- if (type)
- *type = VM_FAULT_MINOR;
-
- return page;
+ vmf->page = virt_to_page(vaddr);
+ get_page(vmf->page);
+ return 0;
}
static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = {
.open = snd_usX2Y_hwdep_pcm_vm_open,
.close = snd_usX2Y_hwdep_pcm_vm_close,
- .nopage = snd_usX2Y_hwdep_pcm_vm_nopage,
+ .fault = snd_usX2Y_hwdep_pcm_vm_fault,
};
return -ENODEV;
}
area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops;
- area->vm_flags |= VM_RESERVED;
+ area->vm_flags |= VM_RESERVED | VM_DONTEXPAND;
area->vm_private_data = hw->private_data;
return 0;
}