From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/sound/firewire/bebob/bebob_midi.c | 60 ++++++++++++++++--------------------------------------------
1 files changed, 16 insertions(+), 44 deletions(-)
diff --git a/kernel/sound/firewire/bebob/bebob_midi.c b/kernel/sound/firewire/bebob/bebob_midi.c
index 3befa3e..6f597d0 100644
--- a/kernel/sound/firewire/bebob/bebob_midi.c
+++ b/kernel/sound/firewire/bebob/bebob_midi.c
@@ -1,65 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* bebob_midi.c - a part of driver for BeBoB based devices
*
* Copyright (c) 2013-2014 Takashi Sakamoto
- *
- * Licensed under the terms of the GNU General Public License, version 2.
*/
#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;
err = snd_bebob_stream_lock_try(bebob);
if (err < 0)
- goto end;
+ return err;
mutex_lock(&bebob->mutex);
- bebob->substreams_counter++;
- err = snd_bebob_stream_start_duplex(bebob, 0);
+ err = snd_bebob_stream_reserve_duplex(bebob, 0, 0, 0);
+ if (err >= 0) {
+ ++bebob->substreams_counter;
+ err = snd_bebob_stream_start_duplex(bebob);
+ if (err < 0)
+ --bebob->substreams_counter;
+ }
mutex_unlock(&bebob->mutex);
if (err < 0)
snd_bebob_stream_lock_release(bebob);
-end:
+
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)
- goto end;
-
- mutex_lock(&bebob->mutex);
- bebob->substreams_counter++;
- err = snd_bebob_stream_start_duplex(bebob, 0);
- mutex_unlock(&bebob->mutex);
- if (err < 0)
- snd_bebob_stream_lock_release(bebob);
-end:
- 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;
@@ -121,13 +93,13 @@
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;
--
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