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ALSA: fireface: constify ALSA specific operations

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ALSA fireface driver has ALSA specific operations for MIDI/PCM data.
Structured data for the operations can be constified. Additionally,
The structured data can be function local.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto
2017-06-07 09:38:06 +09:00
committed by Takashi Iwai
parent 875becf841
commit d2dc2a96de
2 changed files with 35 additions and 39 deletions
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22
sound/firewire/fireface/ff-midi.c
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@@ -74,18 +74,6 @@ static void midi_playback_trigger(struct snd_rawmidi_substream *substream,
spin_unlock_irqrestore(&ff->lock, flags);
}
static struct snd_rawmidi_ops midi_capture_ops = {
.open = midi_capture_open,
.close = midi_capture_close,
.trigger = midi_capture_trigger,
};
static struct snd_rawmidi_ops midi_playback_ops = {
.open = midi_playback_open,
.close = midi_playback_close,
.trigger = midi_playback_trigger,
};
static void set_midi_substream_names(struct snd_rawmidi_str *stream,
const char *const name)
{
@@ -99,6 +87,16 @@ static void set_midi_substream_names(struct snd_rawmidi_str *stream,
int snd_ff_create_midi_devices(struct snd_ff *ff)
{
static const struct snd_rawmidi_ops midi_capture_ops = {
.open = midi_capture_open,
.close = midi_capture_close,
.trigger = midi_capture_trigger,
};
static const struct snd_rawmidi_ops midi_playback_ops = {
.open = midi_playback_open,
.close = midi_playback_close,
.trigger = midi_playback_trigger,
};
struct snd_rawmidi *rmidi;
struct snd_rawmidi_str *stream;
int err;