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ALSA: opl3: Declare common variables properly

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Move the declarations of common variables into opl3_voice.h instead of
declaring at each file multiple times, which was error-prone.

This fixes sparse warnings like:
  sound/drivers/opl3/opl3_synth.c:51:6: warning: symbol 'snd_opl3_regmap' was not declared. Should it be static?

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2018-07-25 23:00:52 +02:00
parent ebd836edfc
commit 7e9c20f403
6 changed files with 6 additions and 10 deletions
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2
sound/drivers/opl3/opl3_drums.c
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@ -21,8 +21,6 @@
#include "opl3_voice.h"
extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
static char snd_opl3_drum_table[47] =
{
OPL3_BASSDRUM_ON, OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, /* 35 - 37 */

3
sound/drivers/opl3/opl3_lib.c
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@ -31,13 +31,12 @@
#include <linux/slab.h>
#include <linux/ioport.h>
#include <sound/minors.h>
#include "opl3_voice.h"
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Hannu Savolainen 1993-1996, Rob Hooft");
MODULE_DESCRIPTION("Routines for control of AdLib FM cards (OPL2/OPL3/OPL4 chips)");
MODULE_LICENSE("GPL");
extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
static void snd_opl2_command(struct snd_opl3 * opl3, unsigned short cmd, unsigned char val)
{
unsigned long flags;

4
sound/drivers/opl3/opl3_midi.c
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@ -25,10 +25,6 @@
#include "opl3_voice.h"
#include <sound/asoundef.h>
extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
extern bool use_internal_drums;
static void snd_opl3_note_off_unsafe(void *p, int note, int vel,
struct snd_midi_channel *chan);
/*

2
sound/drivers/opl3/opl3_oss.c
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@ -29,8 +29,6 @@ static int snd_opl3_reset_seq_oss(struct snd_seq_oss_arg *arg);
/* operators */
extern struct snd_midi_op opl3_ops;
static struct snd_seq_oss_callback oss_callback = {
.owner = THIS_MODULE,
.open = snd_opl3_open_seq_oss,

1
sound/drivers/opl3/opl3_synth.c
View File

@ -24,6 +24,7 @@
#include <linux/nospec.h>
#include <sound/opl3.h>
#include <sound/asound_fm.h>
#include "opl3_voice.h"
#if IS_ENABLED(CONFIG_SND_SEQUENCER)
#define OPL3_SUPPORT_SYNTH

4
sound/drivers/opl3/opl3_voice.h
View File

@ -52,4 +52,8 @@ void snd_opl3_free_seq_oss(struct snd_opl3 *opl3);
#define snd_opl3_free_seq_oss(opl3) /* NOP */
#endif
extern char snd_opl3_regmap[MAX_OPL2_VOICES][4];
extern bool use_internal_drums;
extern struct snd_midi_op opl3_ops;
#endif