From c495a4a36e763de3eb164280fd7445f1bf666a52 Mon Sep 17 00:00:00 2001 From: Takashi Sakamoto Date: Fri, 25 Apr 2014 22:45:28 +0900 Subject: [PATCH 47/61] ALSA: bebob: Add a quirk of data blocks for MIDI messages for some M-Audio devices The firmwares for M-Audio Firewire 410/1814 and ProjectMix I/O has a quirk to ignore MIDI messages in data blocks more than 8. This commit uses a flag which Fireworks uses for a similar quirk. Signed-off-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- sound/firewire/bebob/bebob_stream.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c index 3e74d9b1e357..452e93684e49 100644 --- a/sound/firewire/bebob/bebob_stream.c +++ b/sound/firewire/bebob/bebob_stream.c @@ -472,6 +472,13 @@ int snd_bebob_stream_init_duplex(struct snd_bebob *bebob) amdtp_stream_destroy(&bebob->rx_stream); destroy_both_connections(bebob); } + /* + * The firmware for these devices ignore MIDI messages in more than + * first 8 data blocks of an received AMDTP packet. + */ + if (bebob->spec == &maudio_fw410_spec || + bebob->spec == &maudio_special_spec) + bebob->rx_stream.rx_blocks_for_midi = 8; end: return err; } -- 1.8.5.5