add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/media/pci/tw686x/tw686x-audio.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2015 VanguardiaSur - www.vanguardiasur.com.ar
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  *
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@@ -7,10 +8,6 @@
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  * Based on:
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  * Driver for Intersil|Techwell TW6869 based DVR cards
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  * (c) 2011-12 liran <jli11@intersil.com> [Intersil|Techwell China]
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of version 2 of the GNU General Public License
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- * as published by the Free Software Foundation.
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  */
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 #include <linux/types.h>
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@@ -79,17 +76,6 @@
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 		ac->ptr = done->dma - ac->buf[0].dma;
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 		snd_pcm_period_elapsed(ac->ss);
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 	}
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-}
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-
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-static int tw686x_pcm_hw_params(struct snd_pcm_substream *ss,
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-				struct snd_pcm_hw_params *hw_params)
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-{
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-	return snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
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-}
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-
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-static int tw686x_pcm_hw_free(struct snd_pcm_substream *ss)
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-{
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-	return snd_pcm_lib_free_pages(ss);
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 }
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 /*
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@@ -272,9 +258,6 @@
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 static const struct snd_pcm_ops tw686x_pcm_ops = {
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 	.open = tw686x_pcm_open,
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 	.close = tw686x_pcm_close,
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-	.ioctl = snd_pcm_lib_ioctl,
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-	.hw_params = tw686x_pcm_hw_params,
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-	.hw_free = tw686x_pcm_hw_free,
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 	.prepare = tw686x_pcm_prepare,
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 	.trigger = tw686x_pcm_trigger,
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 	.pointer = tw686x_pcm_pointer,
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@@ -295,17 +278,18 @@
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 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &tw686x_pcm_ops);
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 	snd_pcm_chip(pcm) = dev;
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 	pcm->info_flags = 0;
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-	strlcpy(pcm->name, "tw686x PCM", sizeof(pcm->name));
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+	strscpy(pcm->name, "tw686x PCM", sizeof(pcm->name));
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 	for (i = 0, ss = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
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 	     ss; ss = ss->next, i++)
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 		snprintf(ss->name, sizeof(ss->name), "vch%u audio", i);
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-	return snd_pcm_lib_preallocate_pages_for_all(pcm,
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+	snd_pcm_set_managed_buffer_all(pcm,
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 				SNDRV_DMA_TYPE_DEV,
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-				snd_dma_pci_data(dev->pci_dev),
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+				&dev->pci_dev->dev,
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 				TW686X_AUDIO_PAGE_MAX * AUDIO_DMA_SIZE_MAX,
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 				TW686X_AUDIO_PAGE_MAX * AUDIO_DMA_SIZE_MAX);
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+	return 0;
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 }
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 static void tw686x_audio_dma_free(struct tw686x_dev *dev,
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@@ -390,9 +374,9 @@
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 		return err;
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 	dev->snd_card = card;
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-	strlcpy(card->driver, "tw686x", sizeof(card->driver));
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-	strlcpy(card->shortname, "tw686x", sizeof(card->shortname));
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-	strlcpy(card->longname, pci_name(pci_dev), sizeof(card->longname));
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+	strscpy(card->driver, "tw686x", sizeof(card->driver));
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+	strscpy(card->shortname, "tw686x", sizeof(card->shortname));
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+	strscpy(card->longname, pci_name(pci_dev), sizeof(card->longname));
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 	snd_card_set_dev(card, &pci_dev->dev);
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 	for (ch = 0; ch < max_channels(dev); ch++) {