summaryrefslogtreecommitdiffstats
path: root/sound/firewire
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:25:19 +0000
commit68b7faa497774b94377d3a8215d917bd006eae0b (patch)
treebab1434b47a284ca2893dcc0b908d1b95d982e7c /sound/firewire
parentAdding upstream version 6.1.85. (diff)
downloadlinux-68b7faa497774b94377d3a8215d917bd006eae0b.tar.xz
linux-68b7faa497774b94377d3a8215d917bd006eae0b.zip
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/firewire')
-rw-r--r--sound/firewire/amdtp-stream.c12
-rw-r--r--sound/firewire/amdtp-stream.h4
2 files changed, 12 insertions, 4 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index f8b644cb9..875312568 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -771,10 +771,14 @@ static int check_cip_header(struct amdtp_stream *s, const __be32 *buf,
} else {
unsigned int dbc_interval;
- if (*data_blocks > 0 && s->ctx_data.tx.dbc_interval > 0)
- dbc_interval = s->ctx_data.tx.dbc_interval;
- else
- dbc_interval = *data_blocks;
+ if (!(s->flags & CIP_DBC_IS_PAYLOAD_QUADLETS)) {
+ if (*data_blocks > 0 && s->ctx_data.tx.dbc_interval > 0)
+ dbc_interval = s->ctx_data.tx.dbc_interval;
+ else
+ dbc_interval = *data_blocks;
+ } else {
+ dbc_interval = payload_length / sizeof(__be32);
+ }
lost = dbc != ((*data_block_counter + dbc_interval) & 0xff);
}
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index 1f957c946..cf9ab3472 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -37,6 +37,9 @@
* the value of current SYT_INTERVAL; e.g. initial value is not zero.
* @CIP_UNAWARE_SYT: For outgoing packet, the value in SYT field of CIP is 0xffff.
* For incoming packet, the value in SYT field of CIP is not handled.
+ * @CIP_DBC_IS_PAYLOAD_QUADLETS: Available for incoming packet, and only effective with
+ * CIP_DBC_IS_END_EVENT flag. The value of dbc field is the number of accumulated quadlets
+ * in CIP payload, instead of the number of accumulated data blocks.
*/
enum cip_flags {
CIP_NONBLOCKING = 0x00,
@@ -51,6 +54,7 @@ enum cip_flags {
CIP_NO_HEADER = 0x100,
CIP_UNALIGHED_DBC = 0x200,
CIP_UNAWARE_SYT = 0x400,
+ CIP_DBC_IS_PAYLOAD_QUADLETS = 0x800,
};
/**