firewire: Implement functionality to stop isochronous DMA contexts.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 9ccbed80ceb..b2a0a030c0f 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -386,6 +386,9 @@ int
 fw_iso_context_start(struct fw_iso_context *ctx,
 		    int channel, int speed, int cycle);
 
+int
+fw_iso_context_stop(struct fw_iso_context *ctx);
+
 struct fw_card_driver {
 	const char *name;
 
@@ -428,6 +431,8 @@ struct fw_card_driver {
 			 struct fw_iso_packet *packet,
 			 struct fw_iso_buffer *buffer,
 			 unsigned long payload);
+
+	int (*stop_iso)(struct fw_iso_context *ctx);
 };
 
 int