diff options
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/midi2.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sound/usb/midi2.c b/sound/usb/midi2.c index fa655aa4a56f..4fb43d9743d7 100644 --- a/sound/usb/midi2.c +++ b/sound/usb/midi2.c @@ -863,9 +863,23 @@ static int create_gtb_block(struct snd_usb_midi2_ump *rmidi, int dir, int blk) fb->info.flags |= SNDRV_UMP_BLOCK_IS_MIDI1 | SNDRV_UMP_BLOCK_IS_LOWSPEED; + /* if MIDI 2.0 protocol is supported and yet the GTB shows MIDI 1.0, + * treat it as a MIDI 1.0-specific block + */ + if (rmidi->ump->info.protocol_caps & SNDRV_UMP_EP_INFO_PROTO_MIDI2) { + switch (desc->bMIDIProtocol) { + case USB_MS_MIDI_PROTO_1_0_64: + case USB_MS_MIDI_PROTO_1_0_64_JRTS: + case USB_MS_MIDI_PROTO_1_0_128: + case USB_MS_MIDI_PROTO_1_0_128_JRTS: + fb->info.flags |= SNDRV_UMP_BLOCK_IS_MIDI1; + break; + } + } + usb_audio_dbg(umidi->chip, - "Created a UMP block %d from GTB, name=%s\n", - blk, fb->info.name); + "Created a UMP block %d from GTB, name=%s, flags=0x%x\n", + blk, fb->info.name, fb->info.flags); return 0; } |