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/usb/line6/pcm.c | 21 ++++-----------------
1 files changed, 4 insertions(+), 17 deletions(-)
diff --git a/kernel/sound/usb/line6/pcm.c b/kernel/sound/usb/line6/pcm.c
index 5315642..fdbdfb7 100644
--- a/kernel/sound/usb/line6/pcm.c
+++ b/kernel/sound/usb/line6/pcm.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Line 6 Linux USB driver
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2.
- *
*/
#include <linux/slab.h>
@@ -363,13 +359,6 @@
if (ret < 0)
goto error;
- ret = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- if (ret < 0) {
- line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);
- goto error;
- }
-
pstr->period = params_period_bytes(hw_params);
error:
mutex_unlock(&line6pcm->state_mutex);
@@ -385,7 +374,7 @@
mutex_lock(&line6pcm->state_mutex);
line6_buffer_release(line6pcm, pstr, LINE6_STREAM_PCM);
mutex_unlock(&line6pcm->state_mutex);
- return snd_pcm_lib_free_pages(substream);
+ return 0;
}
@@ -505,10 +494,8 @@
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_line6_capture_ops);
/* pre-allocation of buffers */
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data
- (GFP_KERNEL), 64 * 1024,
- 128 * 1024);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
+ NULL, 64 * 1024, 128 * 1024);
return 0;
}
--
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