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author | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:16:45 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:24:19 +0100 |
commit | aad7ebb544072bcb9335fa4eb0fbd1b85a6c495b (patch) | |
tree | 313468de9b1e0fdaaa0760a1ba4e578070cce857 /sound/core/seq/seq_midi_emul.c | |
parent | d25ff26840bd0af3283d8e478669abc104bb873a (diff) | |
download | linux-stable-aad7ebb544072bcb9335fa4eb0fbd1b85a6c495b.tar.gz linux-stable-aad7ebb544072bcb9335fa4eb0fbd1b85a6c495b.tar.bz2 linux-stable-aad7ebb544072bcb9335fa4eb0fbd1b85a6c495b.zip |
ALSA: seq: Constify struct snd_midi_op
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.
Link: https://lore.kernel.org/r/20200103081714.9560-30-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/seq/seq_midi_emul.c')
-rw-r--r-- | sound/core/seq/seq_midi_emul.c | 37 |
1 files changed, 22 insertions, 15 deletions
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; |