~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,9 +1,8 @@
	1	+// SPDX-License-Identifier: GPL-2.0-only
1	2	/*
2	3	* oxfw_midi.c - a part of driver for OXFW970/971 based devices
3	4	*
4	5	* Copyright (c) 2014 Takashi Sakamoto
5		- *
6		- * Licensed under the terms of the GNU General Public License, version 2.
7	6	*/
8	7
9	8	#include "oxfw.h"
..	..	@@ -19,8 +18,13 @@
19	18
20	19	mutex_lock(&oxfw->mutex);
21	20
22		- oxfw->capture_substreams++;
23		- err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->tx_stream, 0, 0);
	21	+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0, 0);
	22	+ if (err >= 0) {
	23	+ ++oxfw->substreams_count;
	24	+ err = snd_oxfw_stream_start_duplex(oxfw);
	25	+ if (err < 0)
	26	+ --oxfw->substreams_count;
	27	+ }
24	28
25	29	mutex_unlock(&oxfw->mutex);
26	30
..	..	@@ -41,8 +45,11 @@
41	45
42	46	mutex_lock(&oxfw->mutex);
43	47
44		- oxfw->playback_substreams++;
45		- err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->rx_stream, 0, 0);
	48	+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0, 0);
	49	+ if (err >= 0) {
	50	+ ++oxfw->substreams_count;
	51	+ err = snd_oxfw_stream_start_duplex(oxfw);
	52	+ }
46	53
47	54	mutex_unlock(&oxfw->mutex);
48	55
..	..	@@ -58,8 +65,8 @@
58	65
59	66	mutex_lock(&oxfw->mutex);
60	67
61		- oxfw->capture_substreams--;
62		- snd_oxfw_stream_stop_simplex(oxfw, &oxfw->tx_stream);
	68	+ --oxfw->substreams_count;
	69	+ snd_oxfw_stream_stop_duplex(oxfw);
63	70
64	71	mutex_unlock(&oxfw->mutex);
65	72
..	..	@@ -73,8 +80,8 @@
73	80
74	81	mutex_lock(&oxfw->mutex);
75	82
76		- oxfw->playback_substreams--;
77		- snd_oxfw_stream_stop_simplex(oxfw, &oxfw->rx_stream);
	83	+ --oxfw->substreams_count;
	84	+ snd_oxfw_stream_stop_duplex(oxfw);
78	85
79	86	mutex_unlock(&oxfw->mutex);
80	87