Change the argument of snd_midi_process_event() to receive a const snd_midi_op pointer and its callers respectively. This allows further optimizations.
There should be no functional changes by this patch.
Signed-off-by: Takashi Iwai tiwai@suse.de --- include/sound/seq_midi_emul.h | 3 ++- sound/core/seq/seq_midi_emul.c | 37 ++++++++++++++++++++++--------------- sound/drivers/opl3/opl3_seq.c | 2 +- sound/drivers/opl3/opl3_voice.h | 2 +- sound/drivers/opl4/opl4_seq.c | 2 +- sound/synth/emux/emux_seq.c | 2 +- 6 files changed, 28 insertions(+), 20 deletions(-)
diff --git a/include/sound/seq_midi_emul.h b/include/sound/seq_midi_emul.h index d6b74059b4b1..88799d1e1f53 100644 --- a/include/sound/seq_midi_emul.h +++ b/include/sound/seq_midi_emul.h @@ -174,7 +174,8 @@ enum { };
/* Prototypes for midi_process.c */ -void snd_midi_process_event(struct snd_midi_op *ops, struct snd_seq_event *ev, +void snd_midi_process_event(const struct snd_midi_op *ops, + struct snd_seq_event *ev, struct snd_midi_channel_set *chanset); void snd_midi_channel_set_clear(struct snd_midi_channel_set *chset); struct snd_midi_channel_set *snd_midi_channel_alloc_set(int n); diff --git a/sound/core/seq/seq_midi_emul.c b/sound/core/seq/seq_midi_emul.c index 770d3f4eee7c..536ccf48ee72 100644 --- a/sound/core/seq/seq_midi_emul.c +++ b/sound/core/seq/seq_midi_emul.c @@ -30,22 +30,25 @@ MODULE_DESCRIPTION("Advanced Linux Sound Architecture sequencer MIDI emulation." 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); @@ -66,7 +69,7 @@ static void reset_all_channels(struct snd_midi_channel_set *chset); * 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) { @@ -229,7 +232,8 @@ EXPORT_SYMBOL(snd_midi_process_event); * 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) { @@ -251,7 +255,8 @@ note_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan, * 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; @@ -402,7 +407,7 @@ EXPORT_SYMBOL(snd_midi_channel_set_clear); * 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; @@ -442,7 +447,7 @@ rpn(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan, * 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 */ @@ -470,7 +475,7 @@ get_channel(unsigned char cmd) * 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 */ @@ -584,7 +589,8 @@ sysex(struct snd_midi_op *ops, void *private, unsigned char *buf, int len, * 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;
@@ -602,7 +608,8 @@ all_sounds_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan * 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;
diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c index 20f2f5125394..cd2a01b5e2e1 100644 --- a/sound/drivers/opl3/opl3_seq.c +++ b/sound/drivers/opl3/opl3_seq.c @@ -128,7 +128,7 @@ static int snd_opl3_synth_unuse(void *private_data, struct snd_seq_port_subscrib /* * MIDI emulation operators */ -struct snd_midi_op opl3_ops = { +const struct snd_midi_op opl3_ops = { .note_on = snd_opl3_note_on, .note_off = snd_opl3_note_off, .key_press = snd_opl3_key_press, diff --git a/sound/drivers/opl3/opl3_voice.h b/sound/drivers/opl3/opl3_voice.h index dc0626a2dd61..be9ccca2d952 100644 --- a/sound/drivers/opl3/opl3_voice.h +++ b/sound/drivers/opl3/opl3_voice.h @@ -41,6 +41,6 @@ void snd_opl3_free_seq_oss(struct snd_opl3 *opl3);
extern char snd_opl3_regmap[MAX_OPL2_VOICES][4]; extern bool use_internal_drums; -extern struct snd_midi_op opl3_ops; +extern const struct snd_midi_op opl3_ops;
#endif diff --git a/sound/drivers/opl4/opl4_seq.c b/sound/drivers/opl4/opl4_seq.c index 03d6202f4829..f59ca660c616 100644 --- a/sound/drivers/opl4/opl4_seq.c +++ b/sound/drivers/opl4/opl4_seq.c @@ -100,7 +100,7 @@ static int snd_opl4_seq_unuse(void *private_data, struct snd_seq_port_subscribe return 0; }
-static struct snd_midi_op opl4_ops = { +static const struct snd_midi_op opl4_ops = { .note_on = snd_opl4_note_on, .note_off = snd_opl4_note_off, .note_terminate = snd_opl4_terminate_note, diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c index 9d8a69f1a644..b227c7e0bc2a 100644 --- a/sound/synth/emux/emux_seq.c +++ b/sound/synth/emux/emux_seq.c @@ -19,7 +19,7 @@ static int snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *inf /* * MIDI emulation operators */ -static struct snd_midi_op emux_ops = { +static const struct snd_midi_op emux_ops = { .note_on = snd_emux_note_on, .note_off = snd_emux_note_off, .key_press = snd_emux_key_press,