From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/sound/firewire/oxfw/oxfw-midi.c | 27 +++++++++++++++++----------
1 files changed, 17 insertions(+), 10 deletions(-)
diff --git a/kernel/sound/firewire/oxfw/oxfw-midi.c b/kernel/sound/firewire/oxfw/oxfw-midi.c
index b7bbd77..775cba3 100644
--- a/kernel/sound/firewire/oxfw/oxfw-midi.c
+++ b/kernel/sound/firewire/oxfw/oxfw-midi.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* oxfw_midi.c - a part of driver for OXFW970/971 based devices
*
* Copyright (c) 2014 Takashi Sakamoto
- *
- * Licensed under the terms of the GNU General Public License, version 2.
*/
#include "oxfw.h"
@@ -19,8 +18,13 @@
mutex_lock(&oxfw->mutex);
- oxfw->capture_substreams++;
- err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->tx_stream, 0, 0);
+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->tx_stream, 0, 0, 0, 0);
+ if (err >= 0) {
+ ++oxfw->substreams_count;
+ err = snd_oxfw_stream_start_duplex(oxfw);
+ if (err < 0)
+ --oxfw->substreams_count;
+ }
mutex_unlock(&oxfw->mutex);
@@ -41,8 +45,11 @@
mutex_lock(&oxfw->mutex);
- oxfw->playback_substreams++;
- err = snd_oxfw_stream_start_simplex(oxfw, &oxfw->rx_stream, 0, 0);
+ err = snd_oxfw_stream_reserve_duplex(oxfw, &oxfw->rx_stream, 0, 0, 0, 0);
+ if (err >= 0) {
+ ++oxfw->substreams_count;
+ err = snd_oxfw_stream_start_duplex(oxfw);
+ }
mutex_unlock(&oxfw->mutex);
@@ -58,8 +65,8 @@
mutex_lock(&oxfw->mutex);
- oxfw->capture_substreams--;
- snd_oxfw_stream_stop_simplex(oxfw, &oxfw->tx_stream);
+ --oxfw->substreams_count;
+ snd_oxfw_stream_stop_duplex(oxfw);
mutex_unlock(&oxfw->mutex);
@@ -73,8 +80,8 @@
mutex_lock(&oxfw->mutex);
- oxfw->playback_substreams--;
- snd_oxfw_stream_stop_simplex(oxfw, &oxfw->rx_stream);
+ --oxfw->substreams_count;
+ snd_oxfw_stream_stop_duplex(oxfw);
mutex_unlock(&oxfw->mutex);
--
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