diff options
Diffstat (limited to 'sound/firewire/amdtp.h')
| -rw-r--r-- | sound/firewire/amdtp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 2bd3b27ac93..e8d62ace6ff 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -51,6 +51,12 @@ enum cip_sfc { /* + * This module supports maximum 64 PCM channels for one PCM stream + * This is for our convenience. + */ +#define AMDTP_MAX_CHANNELS_FOR_PCM 64 + +/* * AMDTP packet can include channels for MIDI conformant data. * Each MIDI conformant data channel includes 8 MPX-MIDI data stream. * Each MPX-MIDI data stream includes one data stream from/to MIDI ports. @@ -85,6 +91,8 @@ struct amdtp_stream { void (*transfer_samples)(struct amdtp_stream *s, struct snd_pcm_substream *pcm, __be32 *buffer, unsigned int frames); + u8 pcm_positions[AMDTP_MAX_CHANNELS_FOR_PCM]; + u8 midi_position; unsigned int syt_interval; unsigned int transfer_delay; |