修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/sound/soc/fsl/mpc8610_hpcd.c
..
..
@@ -1,14 +1,10 @@
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-/**
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- * Freescale MPC8610HPCD ALSA SoC Machine driver
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- *
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- * Author: Timur Tabi <timur@freescale.com>
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- *
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- * Copyright 2007-2010 Freescale Semiconductor, Inc.
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- *
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- * This file is licensed under the terms of the GNU General Public License
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- * version 2.  This program is licensed "as is" without any warranty of any
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- * kind, whether express or implied.
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- */
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+// SPDX-License-Identifier: GPL-2.0
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+//
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+// Freescale MPC8610HPCD ALSA SoC Machine driver
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+//
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+// Author: Timur Tabi <timur@freescale.com>
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+//
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+// Copyright 2007-2010 Freescale Semiconductor, Inc.
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8
 
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 #include <linux/module.h>
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10
 #include <linux/interrupt.h>
..
..
@@ -102,14 +98,14 @@
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  */
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 static int mpc8610_hpcd_startup(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_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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 	struct mpc8610_hpcd_data *machine_data =
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 		container_of(rtd->card, struct mpc8610_hpcd_data, card);
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 	struct device *dev = rtd->card->dev;
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 	int ret = 0;
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 	/* Tell the codec driver what the serial protocol is. */
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-	ret = snd_soc_dai_set_fmt(rtd->codec_dai, machine_data->dai_format);
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+	ret = snd_soc_dai_set_fmt(asoc_rtd_to_codec(rtd, 0), machine_data->dai_format);
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 	if (ret < 0) {
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 		dev_err(dev, "could not set codec driver audio format\n");
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 		return ret;
..
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@@ -119,7 +115,7 @@
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 	 * Tell the codec driver what the MCLK frequency is, and whether it's
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 	 * a slave or master.
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 	 */
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-	ret = snd_soc_dai_set_sysclk(rtd->codec_dai, 0,
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+	ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), 0,
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 				     machine_data->clk_frequency,
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 				     machine_data->codec_clk_direction);
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 	if (ret < 0) {
..
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@@ -193,6 +189,7 @@
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 	struct device_node *np = ssi_pdev->dev.of_node;
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 	struct device_node *codec_np = NULL;
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 	struct mpc8610_hpcd_data *machine_data;
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+	struct snd_soc_dai_link_component *comp;
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 	int ret = -ENODEV;
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 	const char *sprop;
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 	const u32 *iprop;
..
..
@@ -210,14 +207,36 @@
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 		goto error_alloc;
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 	}
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-	machine_data->dai[0].cpu_dai_name = dev_name(&ssi_pdev->dev);
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+	comp = devm_kzalloc(&pdev->dev, 6 * sizeof(*comp), GFP_KERNEL);
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+	if (!comp) {
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+		ret = -ENOMEM;
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+		goto error_alloc;
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+	}
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+
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+	machine_data->dai[0].cpus	= &comp[0];
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+	machine_data->dai[0].codecs	= &comp[1];
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+	machine_data->dai[0].platforms	= &comp[2];
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+
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+	machine_data->dai[0].num_cpus		= 1;
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+	machine_data->dai[0].num_codecs		= 1;
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+	machine_data->dai[0].num_platforms	= 1;
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+
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+	machine_data->dai[1].cpus	= &comp[3];
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+	machine_data->dai[1].codecs	= &comp[4];
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+	machine_data->dai[1].platforms	= &comp[5];
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+
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+	machine_data->dai[1].num_cpus		= 1;
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+	machine_data->dai[1].num_codecs		= 1;
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+	machine_data->dai[1].num_platforms	= 1;
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+
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+	machine_data->dai[0].cpus->dai_name = dev_name(&ssi_pdev->dev);
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 	machine_data->dai[0].ops = &mpc8610_hpcd_ops;
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 	/* ASoC core can match codec with device node */
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-	machine_data->dai[0].codec_of_node = codec_np;
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+	machine_data->dai[0].codecs->of_node = codec_np;
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 	/* The DAI name from the codec (snd_soc_dai_driver.name) */
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-	machine_data->dai[0].codec_dai_name = "cs4270-hifi";
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+	machine_data->dai[0].codecs->dai_name = "cs4270-hifi";
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 	/* We register two DAIs per SSI, one for playback and the other for
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 	 * capture.  Currently, we only support codecs that have one DAI for
..
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@@ -310,7 +329,7 @@
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 	}
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 	/* Find the playback DMA channel to use. */
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-	machine_data->dai[0].platform_name = machine_data->platform_name[0];
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+	machine_data->dai[0].platforms->name = machine_data->platform_name[0];
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 	ret = fsl_asoc_get_dma_channel(np, "fsl,playback-dma",
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 				       &machine_data->dai[0],
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 				       &machine_data->dma_channel_id[0],
..
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@@ -321,7 +340,7 @@
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 	}
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 	/* Find the capture DMA channel to use. */
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-	machine_data->dai[1].platform_name = machine_data->platform_name[1];
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+	machine_data->dai[1].platforms->name = machine_data->platform_name[1];
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 	ret = fsl_asoc_get_dma_channel(np, "fsl,capture-dma",
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 				       &machine_data->dai[1],
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 				       &machine_data->dma_channel_id[1],
..
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@@ -407,9 +426,11 @@
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 	guts_np = of_find_compatible_node(NULL, NULL, "fsl,mpc8610-guts");
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 	if (of_address_to_resource(guts_np, 0, &res)) {
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 		pr_err("mpc8610-hpcd: missing/invalid global utilities node\n");
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+		of_node_put(guts_np);
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 		return -EINVAL;
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 	}
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 	guts_phys = res.start;
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+	of_node_put(guts_np);
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 	return platform_driver_register(&mpc8610_hpcd_driver);
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 }