diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2018-11-23 05:13:03 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-11-23 15:31:08 +0100 |
| commit | 33b2e1442aeaacabb4e29f8adb31469e87599b16 (patch) | |
| tree | 21e65c35bffdf823c29dcd81ade13860d27631aa /include/uapi/sound | |
| parent | ALSA: aoa: Use device_type helpers to access the node type (diff) | |
| download | linux-33b2e1442aeaacabb4e29f8adb31469e87599b16.tar.xz linux-33b2e1442aeaacabb4e29f8adb31469e87599b16.zip | |
ALSA: firewire-tascam: pick up data of state from tx isochronous pakcets
Units of TASCAM FireWire series multiplex PCM frames and state of
control surface into the same tx isochronous packets. One isochronous
packet includes a part of the state in a quadlet data. An image of the
state consists of 64 quadlet data.
This commit demultiplexes the state from tx isochronous packets.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/sound')
| -rw-r--r-- | include/uapi/sound/firewire.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h index f0a547d86679..b9bc4bb1756b 100644 --- a/include/uapi/sound/firewire.h +++ b/include/uapi/sound/firewire.h @@ -88,4 +88,6 @@ struct snd_firewire_get_info { * Returns -EBUSY if the driver is already streaming. */ +#define SNDRV_FIREWIRE_TASCAM_STATE_COUNT 64 + #endif /* _UAPI_SOUND_FIREWIRE_H_INCLUDED */ |