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/drivers/dummy.c | 84 ++++++++++++-----------------------------
1 files changed, 25 insertions(+), 59 deletions(-)
diff --git a/kernel/sound/drivers/dummy.c b/kernel/sound/drivers/dummy.c
index b78cc8d..b5486de 100644
--- a/kernel/sound/drivers/dummy.c
+++ b/kernel/sound/drivers/dummy.c
@@ -1,21 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Dummy soundcard
* Copyright (c) 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/init.h>
@@ -131,7 +117,7 @@
struct snd_dummy {
struct snd_card *card;
- struct dummy_model *model;
+ const struct dummy_model *model;
struct snd_pcm *pcm;
struct snd_pcm_hardware pcm_hw;
spinlock_t mixer_lock;
@@ -158,13 +144,13 @@
return 0;
}
-static struct dummy_model model_emu10k1 = {
+static const struct dummy_model model_emu10k1 = {
.name = "emu10k1",
.playback_constraints = emu10k1_playback_constraints,
.buffer_bytes_max = 128 * 1024,
};
-static struct dummy_model model_rme9652 = {
+static const struct dummy_model model_rme9652 = {
.name = "rme9652",
.buffer_bytes_max = 26 * 64 * 1024,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
@@ -174,7 +160,7 @@
.periods_max = 2,
};
-static struct dummy_model model_ice1712 = {
+static const struct dummy_model model_ice1712 = {
.name = "ice1712",
.buffer_bytes_max = 256 * 1024,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
@@ -184,7 +170,7 @@
.periods_max = 1024,
};
-static struct dummy_model model_uda1341 = {
+static const struct dummy_model model_uda1341 = {
.name = "uda1341",
.buffer_bytes_max = 16380,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
@@ -194,7 +180,7 @@
.periods_max = 255,
};
-static struct dummy_model model_ac97 = {
+static const struct dummy_model model_ac97 = {
.name = "ac97",
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 2,
@@ -204,7 +190,7 @@
.rate_max = 48000,
};
-static struct dummy_model model_ca0106 = {
+static const struct dummy_model model_ca0106 = {
.name = "ca0106",
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.buffer_bytes_max = ((65536-64)*8),
@@ -218,7 +204,7 @@
.rate_max = 192000,
};
-static struct dummy_model *dummy_models[] = {
+static const struct dummy_model *dummy_models[] = {
&model_emu10k1,
&model_rme9652,
&model_ice1712,
@@ -543,21 +529,13 @@
substream->runtime->dma_bytes = params_buffer_bytes(hw_params);
return 0;
}
- return snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
-}
-
-static int dummy_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- if (fake_buffer)
- return 0;
- return snd_pcm_lib_free_pages(substream);
+ return 0;
}
static int dummy_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
- struct dummy_model *model = dummy->model;
+ const struct dummy_model *model = dummy->model;
struct snd_pcm_runtime *runtime = substream->runtime;
const struct dummy_timer_ops *ops;
int err;
@@ -666,23 +644,19 @@
return virt_to_page(dummy_page[substream->stream]); /* the same page */
}
-static struct snd_pcm_ops dummy_pcm_ops = {
+static const struct snd_pcm_ops dummy_pcm_ops = {
.open = dummy_pcm_open,
.close = dummy_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
.hw_params = dummy_pcm_hw_params,
- .hw_free = dummy_pcm_hw_free,
.prepare = dummy_pcm_prepare,
.trigger = dummy_pcm_trigger,
.pointer = dummy_pcm_pointer,
};
-static struct snd_pcm_ops dummy_pcm_ops_no_buf = {
+static const struct snd_pcm_ops dummy_pcm_ops_no_buf = {
.open = dummy_pcm_open,
.close = dummy_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
.hw_params = dummy_pcm_hw_params,
- .hw_free = dummy_pcm_hw_free,
.prepare = dummy_pcm_prepare,
.trigger = dummy_pcm_trigger,
.pointer = dummy_pcm_pointer,
@@ -696,7 +670,7 @@
int substreams)
{
struct snd_pcm *pcm;
- struct snd_pcm_ops *ops;
+ const struct snd_pcm_ops *ops;
int err;
err = snd_pcm_new(dummy->card, "Dummy PCM", device,
@@ -714,9 +688,9 @@
pcm->info_flags = 0;
strcpy(pcm->name, "Dummy PCM");
if (!fake_buffer) {
- snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_set_managed_buffer_all(pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
+ NULL,
0, 64*1024);
}
return 0;
@@ -875,7 +849,7 @@
return changed;
}
-static struct snd_kcontrol_new snd_dummy_controls[] = {
+static const struct snd_kcontrol_new snd_dummy_controls[] = {
DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER),
DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH),
@@ -927,10 +901,10 @@
static void print_formats(struct snd_dummy *dummy,
struct snd_info_buffer *buffer)
{
- int i;
+ snd_pcm_format_t i;
- for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) {
- if (dummy->pcm_hw.formats & (1ULL << i))
+ pcm_for_each_format(i) {
+ if (dummy->pcm_hw.formats & pcm_format_to_bits(i))
snd_iprintf(buffer, " %s", snd_pcm_format_name(i));
}
}
@@ -938,7 +912,7 @@
static void print_rates(struct snd_dummy *dummy,
struct snd_info_buffer *buffer)
{
- static int rates[] = {
+ static const int rates[] = {
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
64000, 88200, 96000, 176400, 192000,
};
@@ -970,7 +944,7 @@
.offset = offsetof(struct snd_pcm_hardware, item), \
.size = sizeof(dummy_pcm_hardware.item) }
-static struct dummy_hw_field fields[] = {
+static const struct dummy_hw_field fields[] = {
FIELD_ENTRY(formats, "%#llx"),
FIELD_ENTRY(rates, "%#x"),
FIELD_ENTRY(rate_min, "%d"),
@@ -1037,14 +1011,8 @@
static void dummy_proc_init(struct snd_dummy *chip)
{
- struct snd_info_entry *entry;
-
- if (!snd_card_proc_new(chip->card, "dummy_pcm", &entry)) {
- snd_info_set_text_ops(entry, chip, dummy_proc_read);
- entry->c.text.write = dummy_proc_write;
- entry->mode |= 0200;
- entry->private_data = chip;
- }
+ snd_card_rw_proc_new(chip->card, "dummy_pcm", chip,
+ dummy_proc_read, dummy_proc_write);
}
#else
#define dummy_proc_init(x)
@@ -1054,7 +1022,7 @@
{
struct snd_card *card;
struct snd_dummy *dummy;
- struct dummy_model *m = NULL, **mdl;
+ const struct dummy_model *m = NULL, **mdl;
int idx, err;
int dev = devptr->id;
@@ -1138,10 +1106,8 @@
static int snd_dummy_suspend(struct device *pdev)
{
struct snd_card *card = dev_get_drvdata(pdev);
- struct snd_dummy *dummy = card->private_data;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
- snd_pcm_suspend_all(dummy->pcm);
return 0;
}
--
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