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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/dwc/dwc-pcm.c
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@@ -135,11 +135,12 @@
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 	dw_pcm_transfer(dev, false);
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 }
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-static int dw_pcm_open(struct snd_pcm_substream *substream)
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+static int dw_pcm_open(struct snd_soc_component *component,
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+		       struct snd_pcm_substream *substream)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
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 	snd_soc_set_runtime_hwparams(substream, &dw_pcm_hardware);
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 	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
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@@ -148,18 +149,19 @@
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 	return 0;
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 }
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-static int dw_pcm_close(struct snd_pcm_substream *substream)
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+static int dw_pcm_close(struct snd_soc_component *component,
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+			struct snd_pcm_substream *substream)
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 {
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 	synchronize_rcu();
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 	return 0;
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 }
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-static int dw_pcm_hw_params(struct snd_pcm_substream *substream,
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-		struct snd_pcm_hw_params *hw_params)
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+static int dw_pcm_hw_params(struct snd_soc_component *component,
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+			    struct snd_pcm_substream *substream,
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+			    struct snd_pcm_hw_params *hw_params)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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 	struct dw_i2s_dev *dev = runtime->private_data;
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-	int ret;
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 	switch (params_channels(hw_params)) {
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 	case 2:
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@@ -184,20 +186,11 @@
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 		return -EINVAL;
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 	}
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-	ret = snd_pcm_lib_malloc_pages(substream,
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-			params_buffer_bytes(hw_params));
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-	if (ret < 0)
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-		return ret;
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-	else
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-		return 0;
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+	return 0;
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 }
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-static int dw_pcm_hw_free(struct snd_pcm_substream *substream)
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-{
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-	return snd_pcm_lib_free_pages(substream);
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-}
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-
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-static int dw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
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+static int dw_pcm_trigger(struct snd_soc_component *component,
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+			  struct snd_pcm_substream *substream, int cmd)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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 	struct dw_i2s_dev *dev = runtime->private_data;
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@@ -231,7 +224,8 @@
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 	return ret;
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 }
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-static snd_pcm_uframes_t dw_pcm_pointer(struct snd_pcm_substream *substream)
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+static snd_pcm_uframes_t dw_pcm_pointer(struct snd_soc_component *component,
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+					struct snd_pcm_substream *substream)
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 {
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 	struct snd_pcm_runtime *runtime = substream->runtime;
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 	struct dw_i2s_dev *dev = runtime->private_data;
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@@ -245,34 +239,24 @@
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 	return pos < runtime->buffer_size ? pos : 0;
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 }
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-static int dw_pcm_new(struct snd_soc_pcm_runtime *rtd)
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+static int dw_pcm_new(struct snd_soc_component *component,
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+		      struct snd_soc_pcm_runtime *rtd)
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 {
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 	size_t size = dw_pcm_hardware.buffer_bytes_max;
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-	return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
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+	snd_pcm_set_managed_buffer_all(rtd->pcm,
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 			SNDRV_DMA_TYPE_CONTINUOUS,
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-			snd_dma_continuous_data(GFP_KERNEL), size, size);
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+			NULL, size, size);
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+	return 0;
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 }
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-
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-static void dw_pcm_free(struct snd_pcm *pcm)
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-{
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-	snd_pcm_lib_preallocate_free_for_all(pcm);
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-}
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-
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-static const struct snd_pcm_ops dw_pcm_ops = {
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-	.open = dw_pcm_open,
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-	.close = dw_pcm_close,
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-	.ioctl = snd_pcm_lib_ioctl,
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-	.hw_params = dw_pcm_hw_params,
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-	.hw_free = dw_pcm_hw_free,
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-	.trigger = dw_pcm_trigger,
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-	.pointer = dw_pcm_pointer,
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-};
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 static const struct snd_soc_component_driver dw_pcm_component = {
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-	.pcm_new = dw_pcm_new,
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-	.pcm_free = dw_pcm_free,
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-	.ops = &dw_pcm_ops,
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+	.open		= dw_pcm_open,
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+	.close		= dw_pcm_close,
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+	.hw_params	= dw_pcm_hw_params,
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+	.trigger	= dw_pcm_trigger,
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+	.pointer	= dw_pcm_pointer,
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+	.pcm_construct	= dw_pcm_new,
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 };
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 int dw_pcm_register(struct platform_device *pdev)