修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/sound/pci/au88x0/au88x0_pcm.c
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@@ -1,17 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU Library General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  */
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 /*
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@@ -221,15 +209,7 @@
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 {
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 	vortex_t *chip = snd_pcm_substream_chip(substream);
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 	stream_t *stream = (stream_t *) (substream->runtime->private_data);
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-	int err;
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-	// Alloc buffer memory.
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-	err =
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-	    snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
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-	if (err < 0) {
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-		dev_err(chip->card->dev, "Vortex: pcm page alloc failed!\n");
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-		return err;
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-	}
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 	/*
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 	   pr_info( "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
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 	   params_period_bytes(hw_params), params_channels(hw_params));
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@@ -316,7 +296,7 @@
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 	substream->runtime->private_data = NULL;
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 	spin_unlock_irq(&chip->lock);
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-	return snd_pcm_lib_free_pages(substream);
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+	return 0;
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 }
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 /* prepare callback */
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@@ -442,27 +422,25 @@
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 static const struct snd_pcm_ops snd_vortex_playback_ops = {
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 	.open = snd_vortex_pcm_open,
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 	.close = snd_vortex_pcm_close,
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-	.ioctl = snd_pcm_lib_ioctl,
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 	.hw_params = snd_vortex_pcm_hw_params,
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 	.hw_free = snd_vortex_pcm_hw_free,
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 	.prepare = snd_vortex_pcm_prepare,
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 	.trigger = snd_vortex_pcm_trigger,
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 	.pointer = snd_vortex_pcm_pointer,
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-	.page = snd_pcm_sgbuf_ops_page,
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 };
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 /*
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 *  definitions of capture are omitted here...
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 */
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-static char *vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
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+static const char * const vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
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 	CARD_NAME " ADB",
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 	CARD_NAME " SPDIF",
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 	CARD_NAME " A3D",
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 	CARD_NAME " WT",
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 	CARD_NAME " I2S",
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 };
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-static char *vortex_pcm_name[VORTEX_PCM_LAST] = {
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+static const char * const vortex_pcm_name[VORTEX_PCM_LAST] = {
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 	"adb",
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 	"spdif",
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 	"a3d",
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@@ -519,7 +497,7 @@
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 }
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 /* spdif controls */
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-static struct snd_kcontrol_new snd_vortex_mixer_spdif[] = {
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+static const struct snd_kcontrol_new snd_vortex_mixer_spdif[] = {
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 	{
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 		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
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 		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
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@@ -649,9 +627,8 @@
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 	/* pre-allocation of Scatter-Gather buffers */
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-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
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-					      snd_dma_pci_data(chip->pci_dev),
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-					      0x10000, 0x10000);
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+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
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+				       &chip->pci_dev->dev, 0x10000, 0x10000);
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 	switch (VORTEX_PCM_TYPE(pcm)) {
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 	case VORTEX_PCM_ADB: