ALSA: ctxfi - Support SG-buffers
Use SG-buffers instead of contiguous pages.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h
index 17d2d37..01e4fd0 100644
--- a/sound/pci/ctxfi/ctvmem.h
+++ b/sound/pci/ctxfi/ctvmem.h
@@ -37,6 +37,8 @@
struct list_head list;
};
+struct snd_pcm_substream;
+
/* Virtual memory management object for card device */
struct ct_vm {
void *ptp[CT_PTP_NUM]; /* Device page table pages */
@@ -46,7 +48,8 @@
struct mutex lock;
/* Map host addr (kmalloced/vmalloced) to device logical addr. */
- struct ct_vm_block *(*map)(struct ct_vm *, void *host_addr, int size);
+ struct ct_vm_block *(*map)(struct ct_vm *, struct snd_pcm_substream *,
+ int size);
/* Unmap device logical addr area. */
void (*unmap)(struct ct_vm *, struct ct_vm_block *block);
void *(*get_ptp_virt)(struct ct_vm *vm, int index);