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Diffstat (limited to 'sound/synth/emux/emux_nrpn.c')
-rw-r--r--sound/synth/emux/emux_nrpn.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/sound/synth/emux/emux_nrpn.c b/sound/synth/emux/emux_nrpn.c
index 00fc005ecf6e..0d6b82ae2955 100644
--- a/sound/synth/emux/emux_nrpn.c
+++ b/sound/synth/emux/emux_nrpn.c
@@ -1,22 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* NRPN / SYSEX callbacks for Emu8k/Emu10k1
*
* Copyright (c) 1999-2000 Takashi Iwai <tiwai@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
*/
#include "emux_voice.h"
@@ -48,7 +34,8 @@ struct nrpn_conv_table {
* convert NRPN/control values
*/
-static int send_converted_effect(struct nrpn_conv_table *table, int num_tables,
+static int send_converted_effect(const struct nrpn_conv_table *table,
+ int num_tables,
struct snd_emux_port *port,
struct snd_midi_channel *chan,
int type, int val, int mode)
@@ -76,16 +63,16 @@ static int send_converted_effect(struct nrpn_conv_table *table, int num_tables,
/* effect sensitivities for GS NRPN:
* adjusted for chaos 8MB soundfonts
*/
-static int gs_sense[] =
+static const int gs_sense[] =
{
DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE,
DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY
};
-/* effect sensitivies for XG controls:
+/* effect sensitivities for XG controls:
* adjusted for chaos 8MB soundfonts
*/
-static int xg_sense[] =
+static const int xg_sense[] =
{
DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE,
DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY
@@ -179,7 +166,7 @@ static int fx_conv_Q(int val)
}
-static struct nrpn_conv_table awe_effects[] =
+static const struct nrpn_conv_table awe_effects[] =
{
{ 0, EMUX_FX_LFO1_DELAY, fx_lfo1_delay},
{ 1, EMUX_FX_LFO1_FREQ, fx_lfo1_freq},
@@ -266,7 +253,7 @@ static int gs_vib_delay(int val)
return -(val - 64) * gs_sense[FX_VIBDELAY] / 50;
}
-static struct nrpn_conv_table gs_effects[] =
+static const struct nrpn_conv_table gs_effects[] =
{
{32, EMUX_FX_CUTOFF, gs_cutoff},
{33, EMUX_FX_FILTERQ, gs_filterQ},
@@ -350,7 +337,7 @@ static int xg_release(int val)
return -(val - 64) * xg_sense[FX_RELEASE] / 64;
}
-static struct nrpn_conv_table xg_effects[] =
+static const struct nrpn_conv_table xg_effects[] =
{
{71, EMUX_FX_CUTOFF, xg_cutoff},
{74, EMUX_FX_FILTERQ, xg_filterQ},
@@ -362,6 +349,9 @@ int
snd_emux_xg_control(struct snd_emux_port *port, struct snd_midi_channel *chan,
int param)
{
+ if (param >= ARRAY_SIZE(chan->control))
+ return -EINVAL;
+
return send_converted_effect(xg_effects, ARRAY_SIZE(xg_effects),
port, chan, param,
chan->control[param],