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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/mediatek/common/mtk-afe-platform-driver.c
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@@ -77,13 +77,12 @@
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 }
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 EXPORT_SYMBOL_GPL(mtk_afe_add_sub_dai_control);
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-static snd_pcm_uframes_t mtk_afe_pcm_pointer
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-			 (struct snd_pcm_substream *substream)
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+snd_pcm_uframes_t mtk_afe_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_soc_pcm_runtime *rtd = substream->private_data;
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-	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
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-	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
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+	struct mtk_base_afe_memif *memif = &afe->memif[asoc_rtd_to_cpu(rtd, 0)->id];
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 	const struct mtk_base_memif_data *memif_data = memif->data;
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 	struct regmap *regmap = afe->regmap;
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 	struct device *dev = afe->dev;
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@@ -111,38 +110,26 @@
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 POINTER_RETURN_FRAMES:
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 	return bytes_to_frames(substream->runtime, pcm_ptr_bytes);
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 }
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+EXPORT_SYMBOL_GPL(mtk_afe_pcm_pointer);
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-const struct snd_pcm_ops mtk_afe_pcm_ops = {
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-	.ioctl = snd_pcm_lib_ioctl,
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-	.pointer = mtk_afe_pcm_pointer,
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-};
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-EXPORT_SYMBOL_GPL(mtk_afe_pcm_ops);
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-
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-int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
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+int mtk_afe_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;
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 	struct snd_pcm *pcm = rtd->pcm;
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-	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
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 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
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 	size = afe->mtk_afe_hardware->buffer_bytes_max;
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-	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
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-						     afe->dev,
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-						     size, size);
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+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
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+				       afe->dev, size, size);
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+	return 0;
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 }
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 EXPORT_SYMBOL_GPL(mtk_afe_pcm_new);
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-void mtk_afe_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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-EXPORT_SYMBOL_GPL(mtk_afe_pcm_free);
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-
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 const struct snd_soc_component_driver mtk_afe_pcm_platform = {
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-	.name = AFE_PCM_NAME,
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-	.ops = &mtk_afe_pcm_ops,
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-	.pcm_new = mtk_afe_pcm_new,
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-	.pcm_free = mtk_afe_pcm_free,
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+	.name		= AFE_PCM_NAME,
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+	.pointer	= mtk_afe_pcm_pointer,
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+	.pcm_construct	= mtk_afe_pcm_new,
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 };
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 EXPORT_SYMBOL_GPL(mtk_afe_pcm_platform);
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