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ALSA: fireworks: code refactoring for rawmidi.open/close 

Two sets of callbacks for rawmidi.open/close but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-06-12 17:44:09 +09:00 committed by Takashi Iwai
parent 1dc5921082
commit add147ad55
1 changed files with 6 additions and 39 deletions
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45
sound/firewire/fireworks/fireworks_midi.c
View File

@ -8,27 +8,7 @@
*/
#include "fireworks.h"
static int midi_capture_open(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
int err;
err = snd_efw_stream_lock_try(efw);
if (err < 0)
goto end;
mutex_lock(&efw->mutex);
++efw->substreams_counter;
err = snd_efw_stream_start_duplex(efw, 0);
mutex_unlock(&efw->mutex);
if (err < 0)
snd_efw_stream_lock_release(efw);
end:
return err;
}
static int midi_playback_open(struct snd_rawmidi_substream *substream)
static int midi_open(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
int err;
@ -47,20 +27,7 @@ end:
return err;
}
static int midi_capture_close(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
mutex_lock(&efw->mutex);
--efw->substreams_counter;
snd_efw_stream_stop_duplex(efw);
mutex_unlock(&efw->mutex);
snd_efw_stream_lock_release(efw);
return 0;
}
static int midi_playback_close(struct snd_rawmidi_substream *substream)
static int midi_close(struct snd_rawmidi_substream *substream)
{
struct snd_efw *efw = substream->rmidi->private_data;
@ -121,13 +88,13 @@ static void set_midi_substream_names(struct snd_efw *efw,
int snd_efw_create_midi_devices(struct snd_efw *efw)
{
static const struct snd_rawmidi_ops capture_ops = {
.open = midi_capture_open,
.close = midi_capture_close,
.open = midi_open,
.close = midi_close,
.trigger = midi_capture_trigger,
};
static const struct snd_rawmidi_ops playback_ops = {
.open = midi_playback_open,
.close = midi_playback_close,
.open = midi_open,
.close = midi_close,
.trigger = midi_playback_trigger,
};
struct snd_rawmidi *rmidi;