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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/samsung/spdif.c
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@@ -1,14 +1,9 @@
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-/* sound/soc/samsung/spdif.c
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- *
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- * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
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- *
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- * Copyright (c) 2010 Samsung Electronics Co. Ltd
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- *		http://www.samsung.com/
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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 version 2 as
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- * published by the Free Software Foundation.
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- */
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+// SPDX-License-Identifier: GPL-2.0
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+//
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+// ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
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+//
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+// Copyright (c) 2010 Samsung Electronics Co. Ltd
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+//		http://www.samsung.com/
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7
 
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 #include <linux/clk.h>
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9
 #include <linux/io.h>
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@@ -75,9 +70,9 @@
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  * @clk_rate: Current clock rate for calcurate ratio.
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  * @pclk: The peri-clock pointer for spdif master operation.
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  * @sclk: The source clock pointer for making sync signals.
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- * @save_clkcon: Backup clkcon reg. in suspend.
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- * @save_con: Backup con reg. in suspend.
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- * @save_cstas: Backup cstas reg. in suspend.
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+ * @saved_clkcon: Backup clkcon reg. in suspend.
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+ * @saved_con: Backup con reg. in suspend.
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+ * @saved_cstas: Backup cstas reg. in suspend.
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  * @dma_playback: DMA information for playback channel.
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  */
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 struct samsung_spdif_info {
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@@ -95,6 +90,12 @@
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90
 
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 static struct snd_dmaengine_dai_dma_data spdif_stereo_out;
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 static struct samsung_spdif_info spdif_info;
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+
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+static inline struct samsung_spdif_info
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+*component_to_info(struct snd_soc_component *component)
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+{
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+	return snd_soc_component_get_drvdata(component);
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+}
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 static inline struct samsung_spdif_info *to_info(struct snd_soc_dai *cpu_dai)
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 {
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@@ -140,8 +141,8 @@
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 static int spdif_trigger(struct snd_pcm_substream *substream, int cmd,
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 				struct snd_soc_dai *dai)
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 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct samsung_spdif_info *spdif = to_info(asoc_rtd_to_cpu(rtd, 0));
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 	unsigned long flags;
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 	dev_dbg(spdif->dev, "Entered %s\n", __func__);
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@@ -176,8 +177,8 @@
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 				struct snd_pcm_hw_params *params,
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 				struct snd_soc_dai *socdai)
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 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct samsung_spdif_info *spdif = to_info(asoc_rtd_to_cpu(rtd, 0));
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 	void __iomem *regs = spdif->regs;
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 	struct snd_dmaengine_dai_dma_data *dma_data;
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 	u32 con, clkcon, cstas;
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@@ -193,7 +194,7 @@
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 		return -EINVAL;
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 	}
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-	snd_soc_dai_set_dma_data(rtd->cpu_dai, substream, dma_data);
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+	snd_soc_dai_set_dma_data(asoc_rtd_to_cpu(rtd, 0), substream, dma_data);
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 	spin_lock_irqsave(&spdif->lock, flags);
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@@ -278,8 +279,8 @@
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 static void spdif_shutdown(struct snd_pcm_substream *substream,
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 				struct snd_soc_dai *dai)
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 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct samsung_spdif_info *spdif = to_info(rtd->cpu_dai);
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct samsung_spdif_info *spdif = to_info(asoc_rtd_to_cpu(rtd, 0));
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 	void __iomem *regs = spdif->regs;
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 	u32 con, clkcon;
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@@ -295,9 +296,9 @@
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 }
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 #ifdef CONFIG_PM
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-static int spdif_suspend(struct snd_soc_dai *cpu_dai)
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+static int spdif_suspend(struct snd_soc_component *component)
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 {
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-	struct samsung_spdif_info *spdif = to_info(cpu_dai);
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+	struct samsung_spdif_info *spdif = component_to_info(component);
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 	u32 con = spdif->saved_con;
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 	dev_dbg(spdif->dev, "Entered %s\n", __func__);
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@@ -312,9 +313,9 @@
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 	return 0;
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 }
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-static int spdif_resume(struct snd_soc_dai *cpu_dai)
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+static int spdif_resume(struct snd_soc_component *component)
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 {
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-	struct samsung_spdif_info *spdif = to_info(cpu_dai);
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+	struct samsung_spdif_info *spdif = component_to_info(component);
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 	dev_dbg(spdif->dev, "Entered %s\n", __func__);
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@@ -348,12 +349,12 @@
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 				SNDRV_PCM_RATE_96000),
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 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
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 	.ops = &spdif_dai_ops,
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-	.suspend = spdif_suspend,
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-	.resume = spdif_resume,
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 };
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 static const struct snd_soc_component_driver samsung_spdif_component = {
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 	.name		= "samsung-spdif",
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+	.suspend	= spdif_suspend,
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+	.resume		= spdif_resume,
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 };
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 static int spdif_probe(struct platform_device *pdev)
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@@ -430,7 +431,7 @@
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 	spdif->dma_playback = &spdif_stereo_out;
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 	ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
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-						 NULL, NULL);
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+						 NULL, NULL, NULL);
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 	if (ret) {
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 		dev_err(&pdev->dev, "failed to register DMA: %d\n", ret);
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 		goto err4;