oxfw-midi.c (05588d340a128ff5c7b768c517150e31842a78aa) oxfw-midi.c (8985f4ac1c42bd25799f294f4e87fa73064673c7)
1/*
2 * oxfw_midi.c - a part of driver for OXFW970/971 based devices
3 *
4 * Copyright (c) 2014 Takashi Sakamoto
5 *
6 * Licensed under the terms of the GNU General Public License, version 2.
7 */
8
9#include "oxfw.h"
10
11static int midi_capture_open(struct snd_rawmidi_substream *substream)
12{
13 struct snd_oxfw *oxfw = substream->rmidi->private_data;
14 int err;
15
1/*
2 * oxfw_midi.c - a part of driver for OXFW970/971 based devices
3 *
4 * Copyright (c) 2014 Takashi Sakamoto
5 *
6 * Licensed under the terms of the GNU General Public License, version 2.
7 */
8
9#include "oxfw.h"
10
11static int midi_capture_open(struct snd_rawmidi_substream *substream)
12{
13 struct snd_oxfw *oxfw = substream->rmidi->private_data;
14 int err;
15
16 err = snd_oxfw_stream_lock_try(oxfw);
17 if (err < 0)
18 return err;
19
16 mutex_lock(&oxfw->mutex);
17
18 oxfw->capture_substreams++;
19 err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->tx_stream, 0, 0);
20
21 mutex_unlock(&oxfw->mutex);
22
20 mutex_lock(&oxfw->mutex);
21
22 oxfw->capture_substreams++;
23 err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->tx_stream, 0, 0);
24
25 mutex_unlock(&oxfw->mutex);
26
27 if (err < 0)
28 snd_oxfw_stream_lock_release(oxfw);
29
23 return err;
24}
25
26static int midi_playback_open(struct snd_rawmidi_substream *substream)
27{
28 struct snd_oxfw *oxfw = substream->rmidi->private_data;
29 int err;
30
30 return err;
31}
32
33static int midi_playback_open(struct snd_rawmidi_substream *substream)
34{
35 struct snd_oxfw *oxfw = substream->rmidi->private_data;
36 int err;
37
38 err = snd_oxfw_stream_lock_try(oxfw);
39 if (err < 0)
40 return err;
41
31 mutex_lock(&oxfw->mutex);
32
33 oxfw->playback_substreams++;
34 err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->rx_stream, 0, 0);
35
36 mutex_unlock(&oxfw->mutex);
37
42 mutex_lock(&oxfw->mutex);
43
44 oxfw->playback_substreams++;
45 err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->rx_stream, 0, 0);
46
47 mutex_unlock(&oxfw->mutex);
48
49 if (err < 0)
50 snd_oxfw_stream_lock_release(oxfw);
51
38 return err;
39}
40
41static int midi_capture_close(struct snd_rawmidi_substream *substream)
42{
43 struct snd_oxfw *oxfw = substream->rmidi->private_data;
44
45 mutex_lock(&oxfw->mutex);
46
47 oxfw->capture_substreams--;
48 snd_oxfw_stream_stop_simplex(oxfw, &oxfw->tx_stream);
49
50 mutex_unlock(&oxfw->mutex);
51
52 return err;
53}
54
55static int midi_capture_close(struct snd_rawmidi_substream *substream)
56{
57 struct snd_oxfw *oxfw = substream->rmidi->private_data;
58
59 mutex_lock(&oxfw->mutex);
60
61 oxfw->capture_substreams--;
62 snd_oxfw_stream_stop_simplex(oxfw, &oxfw->tx_stream);
63
64 mutex_unlock(&oxfw->mutex);
65
66 snd_oxfw_stream_lock_release(oxfw);
52 return 0;
53}
54
55static int midi_playback_close(struct snd_rawmidi_substream *substream)
56{
57 struct snd_oxfw *oxfw = substream->rmidi->private_data;
58
59 mutex_lock(&oxfw->mutex);
60
61 oxfw->playback_substreams--;
62 snd_oxfw_stream_stop_simplex(oxfw, &oxfw->rx_stream);
63
64 mutex_unlock(&oxfw->mutex);
65
67 return 0;
68}
69
70static int midi_playback_close(struct snd_rawmidi_substream *substream)
71{
72 struct snd_oxfw *oxfw = substream->rmidi->private_data;
73
74 mutex_lock(&oxfw->mutex);
75
76 oxfw->playback_substreams--;
77 snd_oxfw_stream_stop_simplex(oxfw, &oxfw->rx_stream);
78
79 mutex_unlock(&oxfw->mutex);
80
81 snd_oxfw_stream_lock_release(oxfw);
66 return 0;
67}
68
69static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up)
70{
71 struct snd_oxfw *oxfw = substrm->rmidi->private_data;
72 unsigned long flags;
73

--- 118 unchanged lines hidden --- 		82 return 0;
83}
84
85static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up)
86{
87 struct snd_oxfw *oxfw = substrm->rmidi->private_data;
88 unsigned long flags;
89

--- 118 unchanged lines hidden ---