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/pcmcia/pdaudiocf/pdaudiocf_pcm.c | 44 ++++++--------------------------------------
1 files changed, 6 insertions(+), 38 deletions(-)
diff --git a/kernel/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c b/kernel/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
index 98a6863..dfc4295 100644
--- a/kernel/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
+++ b/kernel/sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Sound Core PDAudioCF soundcards
*
* PCM part
*
* Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/delay.h>
@@ -58,7 +45,7 @@
case SNDRV_PCM_TRIGGER_START:
chip->pcm_hwptr = 0;
chip->pcm_tdone = 0;
- /* fall thru */
+ fallthrough;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
mask = 0;
@@ -94,24 +81,6 @@
mutex_unlock(&chip->reg_lock);
snd_ak4117_check_rate_and_errors(chip->ak4117, AK4117_CHECK_NO_RATE);
return ret;
-}
-
-/*
- * pdacf_pcm_hw_params - hw_params callback for playback and capture
- */
-static int pdacf_pcm_hw_params(struct snd_pcm_substream *subs,
- struct snd_pcm_hw_params *hw_params)
-{
- return snd_pcm_lib_alloc_vmalloc_32_buffer
- (subs, params_buffer_bytes(hw_params));
-}
-
-/*
- * pdacf_pcm_hw_free - hw_free callback for playback and capture
- */
-static int pdacf_pcm_hw_free(struct snd_pcm_substream *subs)
-{
- return snd_pcm_lib_free_vmalloc_buffer(subs);
}
/*
@@ -163,7 +132,7 @@
case SNDRV_PCM_FORMAT_S24_3LE:
case SNDRV_PCM_FORMAT_S24_3BE:
chip->pcm_sample = 3;
- /* fall through */
+ fallthrough;
default: /* 24-bit */
aval = AK4117_DIF_24R;
chip->pcm_frame = 3;
@@ -269,13 +238,9 @@
static const struct snd_pcm_ops pdacf_pcm_capture_ops = {
.open = pdacf_pcm_capture_open,
.close = pdacf_pcm_capture_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = pdacf_pcm_hw_params,
- .hw_free = pdacf_pcm_hw_free,
.prepare = pdacf_pcm_prepare,
.trigger = pdacf_pcm_trigger,
.pointer = pdacf_pcm_capture_pointer,
- .page = snd_pcm_lib_get_vmalloc_page,
};
@@ -292,6 +257,9 @@
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pdacf_pcm_capture_ops);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC,
+ snd_dma_continuous_data(GFP_KERNEL | GFP_DMA32),
+ 0, 0);
pcm->private_data = chip;
pcm->info_flags = 0;
--
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