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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-01-22 16:17:04 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-22 19:20:54 +0300 |
| commit | 82b6297b4434d1bc523f3470be4875ab185c6663 (patch) | |
| tree | 27bdbce1a069da4f3e3a31bf104078c9703162a8 /sound/firewire/fireface/ff.h | |
| parent | 481e09ac9a82644af697884cc522b76b4dd07e4d (diff) | |
| download | linux-82b6297b4434d1bc523f3470be4875ab185c6663.tar.xz | |
ALSA: fireface: add protocol-specific operation to fill transaction buffer with MIDI messages
Between former and latter models, content of asynchronous transaction
for MIDI messages from driver to device is different.
This commit is a preparation to support latter models. A protocol-specific
operation is added to encode MIDI messages to the transaction.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/fireface/ff.h')
| -rw-r--r-- | sound/firewire/fireface/ff.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h index edad75a4b260..e52ad11803e0 100644 --- a/sound/firewire/fireface/ff.h +++ b/sound/firewire/fireface/ff.h @@ -107,6 +107,9 @@ enum snd_ff_clock_src { struct snd_ff_protocol { void (*handle_midi_msg)(struct snd_ff *ff, unsigned int offset, __le32 *buf, size_t length); + int (*fill_midi_msg)(struct snd_ff *ff, + struct snd_rawmidi_substream *substream, + unsigned int port); int (*get_clock)(struct snd_ff *ff, unsigned int *rate, enum snd_ff_clock_src *src); int (*switch_fetching_mode)(struct snd_ff *ff, bool enable); |