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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-05-24 18:03:39 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2019-05-24 11:18:01 +0200 |
| commit | 3c194923154132836d143d9ba37f5ee94d790c75 (patch) | |
| tree | b619bef30ffcd0d353c4ee66cedf55e589e186f7 /sound/firewire/amdtp-stream.c | |
| parent | ALSA: firewire-lib: use 8 byte packet header for IT context to separate CIP header from CIP payload (diff) | |
| download | linux-dev-3c194923154132836d143d9ba37f5ee94d790c75.tar.xz linux-dev-3c194923154132836d143d9ba37f5ee94d790c75.zip | |
ALSA: firewire-lib: fix data block counter for incoming packet without CIP header
The value of data block counter is not calculated for incoming packet
without CIP header. This commit fixes the bug.
Fixes: 947b437e1263 ("ALSA: firewire-lib: unify packet handler for IR context")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/amdtp-stream.c')
| -rw-r--r-- | sound/firewire/amdtp-stream.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 791efa5585c2..8a7da86650ea 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -674,6 +674,8 @@ static int handle_in_packet(struct amdtp_stream *s, unsigned int cycle, cip_header = NULL; data_blocks = payload_length / 4 / s->data_block_quadlets; syt = 0; + s->data_block_counter = + (s->data_block_counter + data_blocks) & 0xff; } trace_amdtp_packet(s, cycle, cip_header, payload_length, data_blocks, |