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-rw-r--r--sound/firewire/amdtp-stream.c40
-rw-r--r--sound/firewire/amdtp-stream.h35
2 files changed, 11 insertions, 64 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index a22e5594d2ed..3468419259a0 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -91,7 +91,6 @@ int amdtp_stream_init(struct amdtp_stream *s, struct fw_unit *unit,
init_waitqueue_head(&s->callback_wait);
s->callbacked = false;
- s->sync_slave = NULL;
s->fmt = fmt;
s->process_data_blocks = process_data_blocks;
@@ -650,54 +649,25 @@ static void in_stream_callback(struct fw_iso_context *context, u32 tstamp,
dev_err(&s->unit->device,
"Detect jumbo payload: %02x %02x\n",
payload_quadlets, max_payload_quadlets);
- s->packet_index = -1;
break;
}
syt = be32_to_cpu(buffer[1]) & CIP_SYT_MASK;
if (handle_in_packet(s, payload_quadlets, buffer,
- &data_blocks, cycle, syt) < 0) {
- s->packet_index = -1;
+ &data_blocks, cycle, syt) < 0)
break;
- }
-
- /* Process sync slave stream */
- if (s->sync_slave && s->sync_slave->callbacked) {
- if (handle_out_packet(s->sync_slave,
- data_blocks, cycle, syt) < 0) {
- s->packet_index = -1;
- break;
- }
- }
}
- /* Queueing error or detecting discontinuity */
- if (s->packet_index < 0) {
+ /* Queueing error or detecting invalid payload. */
+ if (p < packets) {
+ s->packet_index = -1;
amdtp_stream_pcm_abort(s);
-
- /* Abort sync slave. */
- if (s->sync_slave) {
- s->sync_slave->packet_index = -1;
- amdtp_stream_pcm_abort(s->sync_slave);
- }
return;
}
- /* when sync to device, flush the packets for slave stream */
- if (s->sync_slave && s->sync_slave->callbacked)
- fw_iso_context_queue_flush(s->sync_slave->context);
-
fw_iso_context_queue_flush(s->context);
}
-/* processing is done by master callback */
-static void slave_stream_callback(struct fw_iso_context *context, u32 tstamp,
- size_t header_length, void *header,
- void *private_data)
-{
- return;
-}
-
/* this is executed one time */
static void amdtp_stream_first_callback(struct fw_iso_context *context,
u32 tstamp, size_t header_length,
@@ -714,8 +684,6 @@ static void amdtp_stream_first_callback(struct fw_iso_context *context,
if (s->direction == AMDTP_IN_STREAM)
context->callback.sc = in_stream_callback;
- else if (s->flags & CIP_SYNC_TO_DEVICE)
- context->callback.sc = slave_stream_callback;
else
context->callback.sc = out_stream_callback;
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index 8775704a3665..da028b0afb48 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -17,8 +17,6 @@
* @CIP_BLOCKING: In blocking mode, each packet contains either zero or
* SYT_INTERVAL samples, with these two types alternating so that
* the overall sample rate comes out right.
- * @CIP_SYNC_TO_DEVICE: In sync to device mode, time stamp in out packets is
- * generated by in packets. Defaultly this driver generates timestamp.
* @CIP_EMPTY_WITH_TAG0: Only for in-stream. Empty in-packets have TAG0.
* @CIP_DBC_IS_END_EVENT: Only for in-stream. The value of dbc in an in-packet
* corresponds to the end of event in the packet. Out of IEC 61883.
@@ -37,14 +35,13 @@
enum cip_flags {
CIP_NONBLOCKING = 0x00,
CIP_BLOCKING = 0x01,
- CIP_SYNC_TO_DEVICE = 0x02,
- CIP_EMPTY_WITH_TAG0 = 0x04,
- CIP_DBC_IS_END_EVENT = 0x08,
- CIP_WRONG_DBS = 0x10,
- CIP_SKIP_DBC_ZERO_CHECK = 0x20,
- CIP_SKIP_INIT_DBC_CHECK = 0x40,
- CIP_EMPTY_HAS_WRONG_DBC = 0x80,
- CIP_JUMBO_PAYLOAD = 0x100,
+ CIP_EMPTY_WITH_TAG0 = 0x02,
+ CIP_DBC_IS_END_EVENT = 0x04,
+ CIP_WRONG_DBS = 0x08,
+ CIP_SKIP_DBC_ZERO_CHECK = 0x10,
+ CIP_SKIP_INIT_DBC_CHECK = 0x20,
+ CIP_EMPTY_HAS_WRONG_DBC = 0x40,
+ CIP_JUMBO_PAYLOAD = 0x80,
};
/**
@@ -137,7 +134,6 @@ struct amdtp_stream {
/* To wait for first packet. */
bool callbacked;
wait_queue_head_t callback_wait;
- struct amdtp_stream *sync_slave;
/* For backends to process data blocks. */
void *protocol;
@@ -223,23 +219,6 @@ static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc)
return sfc & 1;
}
-static inline void amdtp_stream_set_sync(enum cip_flags sync_mode,
- struct amdtp_stream *master,
- struct amdtp_stream *slave)
-{
- if (sync_mode == CIP_SYNC_TO_DEVICE) {
- master->flags |= CIP_SYNC_TO_DEVICE;
- slave->flags |= CIP_SYNC_TO_DEVICE;
- master->sync_slave = slave;
- } else {
- master->flags &= ~CIP_SYNC_TO_DEVICE;
- slave->flags &= ~CIP_SYNC_TO_DEVICE;
- master->sync_slave = NULL;
- }
-
- slave->sync_slave = NULL;
-}
-
/**
* amdtp_stream_wait_callback - sleep till callbacked or timeout
* @s: the AMDTP stream