openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ALSA: bebob: code refactoring for callback function to rawmidi interface 

The pairs of rawmidi.hw_params callback functions and .hw_free callback
functions for both direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-06-15 18:10:57 +09:00 committed by Takashi Iwai
parent f69fc17947
commit 73f7864eb5
1 changed files with 6 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
sound/firewire/bebob/bebob_midi.c
View File

@ -8,7 +8,7 @@
#include "bebob.h"
static int midi_capture_open(struct snd_rawmidi_substream *substream)
static int midi_open(struct snd_rawmidi_substream *substream)
{
struct snd_bebob *bebob = substream->rmidi->private_data;
int err;
@ -30,42 +30,7 @@ static int midi_capture_open(struct snd_rawmidi_substream *substream)
return err;
}
static int midi_playback_open(struct snd_rawmidi_substream *substream)
{
struct snd_bebob *bebob = substream->rmidi->private_data;
int err;
err = snd_bebob_stream_lock_try(bebob);
if (err < 0)
return err;
mutex_lock(&bebob->mutex);
err = snd_bebob_stream_reserve_duplex(bebob, 0);
if (err >= 0) {
++bebob->substreams_counter;
err = snd_bebob_stream_start_duplex(bebob);
}
mutex_unlock(&bebob->mutex);
if (err < 0)
snd_bebob_stream_lock_release(bebob);
return err;
}
static int midi_capture_close(struct snd_rawmidi_substream *substream)
{
struct snd_bebob *bebob = substream->rmidi->private_data;
mutex_lock(&bebob->mutex);
bebob->substreams_counter--;
snd_bebob_stream_stop_duplex(bebob);
mutex_unlock(&bebob->mutex);
snd_bebob_stream_lock_release(bebob);
return 0;
}
static int midi_playback_close(struct snd_rawmidi_substream *substream)
static int midi_close(struct snd_rawmidi_substream *substream)
{
struct snd_bebob *bebob = substream->rmidi->private_data;
@ -127,13 +92,13 @@ static void set_midi_substream_names(struct snd_bebob *bebob,
int snd_bebob_create_midi_devices(struct snd_bebob *bebob)
{
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;