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/dice/dice-midi.c | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/kernel/sound/firewire/dice/dice-midi.c b/kernel/sound/firewire/dice/dice-midi.c
index 84eca8a..4c29980 100644
--- a/kernel/sound/firewire/dice/dice-midi.c
+++ b/kernel/sound/firewire/dice/dice-midi.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* dice_midi.c - a part of driver for Dice based devices
*
* Copyright (c) 2014 Takashi Sakamoto
- *
- * Licensed under the terms of the GNU General Public License, version 2.
*/
#include "dice.h"
@@ -18,8 +17,13 @@
mutex_lock(&dice->mutex);
- dice->substreams_counter++;
- err = snd_dice_stream_start_duplex(dice, 0);
+ err = snd_dice_stream_reserve_duplex(dice, 0, 0, 0);
+ if (err >= 0) {
+ ++dice->substreams_counter;
+ err = snd_dice_stream_start_duplex(dice);
+ if (err < 0)
+ --dice->substreams_counter;
+ }
mutex_unlock(&dice->mutex);
@@ -35,7 +39,7 @@
mutex_lock(&dice->mutex);
- dice->substreams_counter--;
+ --dice->substreams_counter;
snd_dice_stream_stop_duplex(dice);
mutex_unlock(&dice->mutex);
--
Gitblit v1.6.2