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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2021-03-21 04:28:31 +0100
committerTakashi Iwai <tiwai@suse.de>2021-03-22 12:23:12 +0100
commitd2b6f15bc18ac8fbce25398290774c21f5b2cd44 (patch)
tree64240145e29af7b76dc52815b56f3effc13a6d0e /sound/firewire/bebob
parentALSA: bebob: detect the number of available MIDI ports (diff)
downloadlinux-d2b6f15bc18ac8fbce25398290774c21f5b2cd44.tar.xz
linux-d2b6f15bc18ac8fbce25398290774c21f5b2cd44.zip
ALSA: bebob: enable to deliver MIDI messages for multiple ports
Current implementation of bebob driver doesn't correctly handle the case that the device has multiple MIDI ports. The cause is the number of MIDI conformant data channels is passed to AM824 data block processing layer. This commit fixes the bug. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20210321032831.340278-4-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/bebob')
-rw-r--r--sound/firewire/bebob/bebob_stream.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index 23579a73e038..b612ee3e33b6 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -517,20 +517,22 @@ int snd_bebob_stream_init_duplex(struct snd_bebob *bebob)
static int keep_resources(struct snd_bebob *bebob, struct amdtp_stream *stream,
unsigned int rate, unsigned int index)
{
- struct snd_bebob_stream_formation *formation;
+ unsigned int pcm_channels;
+ unsigned int midi_ports;
struct cmp_connection *conn;
int err;
if (stream == &bebob->tx_stream) {
- formation = bebob->tx_stream_formations + index;
+ pcm_channels = bebob->tx_stream_formations[index].pcm;
+ midi_ports = bebob->midi_input_ports;
conn = &bebob->out_conn;
} else {
- formation = bebob->rx_stream_formations + index;
+ pcm_channels = bebob->rx_stream_formations[index].pcm;
+ midi_ports = bebob->midi_output_ports;
conn = &bebob->in_conn;
}
- err = amdtp_am824_set_parameters(stream, rate, formation->pcm,
- formation->midi, false);
+ err = amdtp_am824_set_parameters(stream, rate, pcm_channels, midi_ports, false);
if (err < 0)
return err;