change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/media/usb/usbtv/usbtv-audio.c
..
..
@@ -85,30 +85,6 @@
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 	return 0;
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 }
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-static int snd_usbtv_hw_params(struct snd_pcm_substream *substream,
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-		struct snd_pcm_hw_params *hw_params)
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-{
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-	int rv;
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-	struct usbtv *chip = snd_pcm_substream_chip(substream);
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-
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-	rv = snd_pcm_lib_malloc_pages(substream,
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-		params_buffer_bytes(hw_params));
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-
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-	if (rv < 0) {
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-		dev_warn(chip->dev, "pcm audio buffer allocation failure %i\n",
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-			rv);
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-		return rv;
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-	}
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-
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-	return 0;
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-}
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-
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-static int snd_usbtv_hw_free(struct snd_pcm_substream *substream)
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-{
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-	snd_pcm_lib_free_pages(substream);
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-	return 0;
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-}
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-
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 static int snd_usbtv_prepare(struct snd_pcm_substream *substream)
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 {
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 	struct usbtv *chip = snd_pcm_substream_chip(substream);
..
..
@@ -336,9 +312,6 @@
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 static const struct snd_pcm_ops snd_usbtv_pcm_ops = {
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 	.open = snd_usbtv_pcm_open,
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 	.close = snd_usbtv_pcm_close,
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-	.ioctl = snd_pcm_lib_ioctl,
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-	.hw_params = snd_usbtv_hw_params,
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-	.hw_free = snd_usbtv_hw_free,
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 	.prepare = snd_usbtv_prepare,
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 	.trigger = snd_usbtv_card_trigger,
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 	.pointer = snd_usbtv_pointer,
..
..
@@ -358,8 +331,8 @@
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 	if (rv < 0)
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 		return rv;
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-	strlcpy(card->driver, usbtv->dev->driver->name, sizeof(card->driver));
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-	strlcpy(card->shortname, "usbtv", sizeof(card->shortname));
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+	strscpy(card->driver, usbtv->dev->driver->name, sizeof(card->driver));
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+	strscpy(card->shortname, "usbtv", sizeof(card->shortname));
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 	snprintf(card->longname, sizeof(card->longname),
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 		"USBTV Audio at bus %d device %d", usbtv->udev->bus->busnum,
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 		usbtv->udev->devnum);
..
..
@@ -372,14 +345,13 @@
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 	if (rv < 0)
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 		goto err;
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-	strlcpy(pcm->name, "USBTV Audio Input", sizeof(pcm->name));
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+	strscpy(pcm->name, "USBTV Audio Input", sizeof(pcm->name));
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 	pcm->info_flags = 0;
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 	pcm->private_data = usbtv;
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 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usbtv_pcm_ops);
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-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
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-		snd_dma_continuous_data(GFP_KERNEL), USBTV_AUDIO_BUFFER,
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-		USBTV_AUDIO_BUFFER);
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+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
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+		NULL, USBTV_AUDIO_BUFFER, USBTV_AUDIO_BUFFER);
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 	rv = snd_card_register(card);
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 	if (rv)