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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:14:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-01 17:14:06 +0000 |
| commit | e616d72f8b12df275e5afd05b0f5ed251f6d56a1 (patch) | |
| tree | cfbdd162315fce0266b5aa12c070ff08a6d8f4a7 /sound/core/ump.c | |
| parent | Releasing progress-linux version 6.9.2-1~exp1~progress7.99u1. (diff) | |
| download | linux-e616d72f8b12df275e5afd05b0f5ed251f6d56a1.tar.xz linux-e616d72f8b12df275e5afd05b0f5ed251f6d56a1.zip | |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/core/ump.c')
| -rw-r--r-- | sound/core/ump.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/core/ump.c b/sound/core/ump.c index fd6a68a542..117c7ecc48 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -685,10 +685,17 @@ static void seq_notify_protocol(struct snd_ump_endpoint *ump) */ int snd_ump_switch_protocol(struct snd_ump_endpoint *ump, unsigned int protocol) { + unsigned int type; + protocol &= ump->info.protocol_caps; if (protocol == ump->info.protocol) return 0; + type = protocol & SNDRV_UMP_EP_INFO_PROTO_MIDI_MASK; + if (type != SNDRV_UMP_EP_INFO_PROTO_MIDI1 && + type != SNDRV_UMP_EP_INFO_PROTO_MIDI2) + return 0; + ump->info.protocol = protocol; ump_dbg(ump, "New protocol = %x (caps = %x)\n", protocol, ump->info.protocol_caps); |