ALSA: ctxfi - Support SG-buffers

Use SG-buffers instead of contiguous pages.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h
index 17d2d37a9ea..01e4fd0386a 100644
--- a/sound/pci/ctxfi/ctvmem.h
+++ b/sound/pci/ctxfi/ctvmem.h
@@ -37,6 +37,8 @@ struct ct_vm_block {
         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 ct_vm {
         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);