[ALSA] rawmidi: add get_port_info callback for sequencer information flags
Add a get_port_info callback to the snd_rawmidi_global_ops structure to
allow the USB MIDI driver to supply information flags for the sequencer
ports created by seq_midi.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index f873742..1daa5b0 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -278,6 +278,7 @@
struct seq_midisynth *msynth, *ms;
struct snd_seq_port_info *port;
struct snd_rawmidi_info *info;
+ struct snd_rawmidi *rmidi = dev->private_data;
int newclient = 0;
unsigned int p, ports;
struct snd_seq_port_callback pcallbacks;
@@ -389,6 +390,8 @@
pcallbacks.unuse = midisynth_unuse;
pcallbacks.event_input = event_process_midi;
port->kernel = &pcallbacks;
+ if (rmidi->ops && rmidi->ops->get_port_info)
+ rmidi->ops->get_port_info(rmidi, p, port);
if (snd_seq_kernel_client_ctl(client->seq_client, SNDRV_SEQ_IOCTL_CREATE_PORT, port)<0)
goto __nomem;
ms->seq_client = client->seq_client;
