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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/ux500/ux500_pcm.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) ST-Ericsson SA 2012
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  *
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@@ -6,10 +7,6 @@
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  *         for ST-Ericsson.
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  *
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  * License terms:
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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 published
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- * by the Free Software Foundation.
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  */
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 #include <asm/page.h>
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@@ -49,7 +46,7 @@
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 static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd,
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 	struct snd_pcm_substream *substream)
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 {
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-	struct snd_soc_dai *dai = rtd->cpu_dai;
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+	struct snd_soc_dai *dai = asoc_rtd_to_cpu(rtd, 0);
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 	u16 per_data_width, mem_data_width;
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 	struct stedma40_chan_cfg *dma_cfg;
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 	struct ux500_msp_dma_params *dma_params;
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@@ -88,8 +85,8 @@
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 		struct snd_pcm_hw_params *params,
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 		struct dma_slave_config *slave_config)
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 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct msp_i2s_platform_data *pdata = rtd->cpu_dai->dev->platform_data;
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct msp_i2s_platform_data *pdata = asoc_rtd_to_cpu(rtd, 0)->dev->platform_data;
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 	struct snd_dmaengine_dai_dma_data *snd_dma_params;
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 	struct ux500_msp_dma_params *ste_dma_params;
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 	dma_addr_t dma_addr;
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@@ -97,11 +94,11 @@
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 	if (pdata) {
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 		ste_dma_params =
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-			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
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+			snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
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 		dma_addr = ste_dma_params->tx_rx_addr;
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 	} else {
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 		snd_dma_params =
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-			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
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+			snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
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 		dma_addr = snd_dma_params->addr;
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 	}
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