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authorClemens Ladisch <clemens@ladisch.de>2009-06-22 10:01:59 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-07-02 16:32:04 -0700
commita3cb500ff7a003a1148fbd74dd90f6a9b4a4e45c (patch)
tree1b26cc6c1d250eb652058db67a1d4eb5b269b9ca /sound
parent843a9e3da2d8b9e1e5114d7e224e7faf33602411 (diff)
sound: seq_midi_event: fix decoding of (N)RPN events
commit 6423f9ea8035138d70bae1a278d3b57b743f8b3e upstream. When decoding (N)RPN sequencer events into raw MIDI commands, the extra_decode_xrpn() function had accidentally swapped the MSB and LSB controller values of both the parameter number and the data value. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/core/seq/seq_midi_event.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/core/seq/seq_midi_event.c b/sound/core/seq/seq_midi_event.c
index 8284f176a342..b5d6ea4904c0 100644
--- a/sound/core/seq/seq_midi_event.c
+++ b/sound/core/seq/seq_midi_event.c
@@ -504,10 +504,10 @@ static int extra_decode_xrpn(struct snd_midi_event *dev, unsigned char *buf,
if (dev->nostat && count < 12)
return -ENOMEM;
cmd = MIDI_CMD_CONTROL|(ev->data.control.channel & 0x0f);
- bytes[0] = ev->data.control.param & 0x007f;
- bytes[1] = (ev->data.control.param & 0x3f80) >> 7;
- bytes[2] = ev->data.control.value & 0x007f;
- bytes[3] = (ev->data.control.value & 0x3f80) >> 7;
+ bytes[0] = (ev->data.control.param & 0x3f80) >> 7;
+ bytes[1] = ev->data.control.param & 0x007f;
+ bytes[2] = (ev->data.control.value & 0x3f80) >> 7;
+ bytes[3] = ev->data.control.value & 0x007f;
if (cmd != dev->lastcmd && !dev->nostat) {
if (count < 9)
return -ENOMEM;