From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/core/seq/seq_midi_emul.c | 61 +++++++++++++-----------------
1 files changed, 27 insertions(+), 34 deletions(-)
diff --git a/kernel/sound/core/seq/seq_midi_emul.c b/kernel/sound/core/seq/seq_midi_emul.c
index c1975dd..81d2ef5 100644
--- a/kernel/sound/core/seq/seq_midi_emul.c
+++ b/kernel/sound/core/seq/seq_midi_emul.c
@@ -1,24 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* GM/GS/XG midi module.
*
* Copyright (C) 1999 Steve Ratcliffe
*
* Based on awe_wave.c by Takashi Iwai
- *
- * 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
- *
*/
/*
* This module is used to keep track of the current midi state.
@@ -44,22 +30,25 @@
MODULE_LICENSE("GPL");
/* Prototypes for static functions */
-static void note_off(struct snd_midi_op *ops, void *drv,
+static void note_off(const struct snd_midi_op *ops, void *drv,
struct snd_midi_channel *chan,
int note, int vel);
-static void do_control(struct snd_midi_op *ops, void *private,
+static void do_control(const struct snd_midi_op *ops, void *private,
struct snd_midi_channel_set *chset,
struct snd_midi_channel *chan,
int control, int value);
-static void rpn(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
+static void rpn(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel *chan,
struct snd_midi_channel_set *chset);
-static void nrpn(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
+static void nrpn(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel *chan,
struct snd_midi_channel_set *chset);
-static void sysex(struct snd_midi_op *ops, void *private, unsigned char *sysex,
+static void sysex(const struct snd_midi_op *ops, void *private,
+ unsigned char *sysex,
int len, struct snd_midi_channel_set *chset);
-static void all_sounds_off(struct snd_midi_op *ops, void *private,
+static void all_sounds_off(const struct snd_midi_op *ops, void *private,
struct snd_midi_channel *chan);
-static void all_notes_off(struct snd_midi_op *ops, void *private,
+static void all_notes_off(const struct snd_midi_op *ops, void *private,
struct snd_midi_channel *chan);
static void snd_midi_reset_controllers(struct snd_midi_channel *chan);
static void reset_all_channels(struct snd_midi_channel_set *chset);
@@ -80,7 +69,7 @@
* be interpreted.
*/
void
-snd_midi_process_event(struct snd_midi_op *ops,
+snd_midi_process_event(const struct snd_midi_op *ops,
struct snd_seq_event *ev,
struct snd_midi_channel_set *chanset)
{
@@ -243,7 +232,8 @@
* release note
*/
static void
-note_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
+note_off(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel *chan,
int note, int vel)
{
if (chan->gm_hold) {
@@ -265,7 +255,8 @@
* events that need to take place immediately to the driver.
*/
static void
-do_control(struct snd_midi_op *ops, void *drv, struct snd_midi_channel_set *chset,
+do_control(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel_set *chset,
struct snd_midi_channel *chan, int control, int value)
{
int i;
@@ -318,7 +309,7 @@
break;
case MIDI_CTL_MSB_DATA_ENTRY:
chan->control[MIDI_CTL_LSB_DATA_ENTRY] = 0;
- /* fall through */
+ fallthrough;
case MIDI_CTL_LSB_DATA_ENTRY:
if (chan->param_type == SNDRV_MIDI_PARAM_TYPE_REGISTERED)
rpn(ops, drv, chan, chset);
@@ -416,7 +407,7 @@
* Process a rpn message.
*/
static void
-rpn(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
+rpn(const struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
struct snd_midi_channel_set *chset)
{
int type;
@@ -456,7 +447,7 @@
* Process an nrpn message.
*/
static void
-nrpn(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
+nrpn(const struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
struct snd_midi_channel_set *chset)
{
/* parse XG NRPNs here if possible */
@@ -484,15 +475,15 @@
* Process a sysex message.
*/
static void
-sysex(struct snd_midi_op *ops, void *private, unsigned char *buf, int len,
+sysex(const struct snd_midi_op *ops, void *private, unsigned char *buf, int len,
struct snd_midi_channel_set *chset)
{
/* GM on */
- static unsigned char gm_on_macro[] = {
+ static const unsigned char gm_on_macro[] = {
0x7e,0x7f,0x09,0x01,
};
/* XG on */
- static unsigned char xg_on_macro[] = {
+ static const unsigned char xg_on_macro[] = {
0x43,0x10,0x4c,0x00,0x00,0x7e,0x00,
};
/* GS prefix
@@ -501,7 +492,7 @@
* chorus mode: XX=0x01, YY=0x38, ZZ=0-7
* master vol: XX=0x00, YY=0x04, ZZ=0-127
*/
- static unsigned char gs_pfx_macro[] = {
+ static const unsigned char gs_pfx_macro[] = {
0x41,0x10,0x42,0x12,0x40,/*XX,YY,ZZ*/
};
@@ -598,7 +589,8 @@
* all sound off
*/
static void
-all_sounds_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan)
+all_sounds_off(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel *chan)
{
int n;
@@ -616,7 +608,8 @@
* all notes off
*/
static void
-all_notes_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan)
+all_notes_off(const struct snd_midi_op *ops, void *drv,
+ struct snd_midi_channel *chan)
{
int n;
--
Gitblit v1.6.2