1 // SPDX-License-Identifier: GPL-2.0+
10 	struct snd_soc_dai_link dai;  member
16 	struct device_node *spdif_np, *np = pdev->dev.of_node;  in imx_spdif_audio_probe()
21 	spdif_np = of_parse_phandle(np, "spdif-controller", 0);  in imx_spdif_audio_probe()
23 		dev_err(&pdev->dev, "failed to find spdif-controller\n");  in imx_spdif_audio_probe()
24 		ret = -EINVAL;  in imx_spdif_audio_probe()
28 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in imx_spdif_audio_probe()
29 	comp = devm_kzalloc(&pdev->dev, 3 * sizeof(*comp), GFP_KERNEL);  in imx_spdif_audio_probe()
31 		ret = -ENOMEM;  in imx_spdif_audio_probe()
35 	data->dai.cpus		= &comp[0];  in imx_spdif_audio_probe()
36 	data->dai.codecs	= &comp[1];  in imx_spdif_audio_probe()
37 	data->dai.platforms	= &comp[2];  in imx_spdif_audio_probe()
39 	data->dai.num_cpus	= 1;  in imx_spdif_audio_probe()
40 	data->dai.num_codecs	= 1;  in imx_spdif_audio_probe()
41 	data->dai.num_platforms	= 1;  in imx_spdif_audio_probe()
43 	data->dai.name = "S/PDIF PCM";  in imx_spdif_audio_probe()
44 	data->dai.stream_name = "S/PDIF PCM";  in imx_spdif_audio_probe()
45 	data->dai.codecs->dai_name = "snd-soc-dummy-dai";  in imx_spdif_audio_probe()
46 	data->dai.codecs->name = "snd-soc-dummy";  in imx_spdif_audio_probe()
47 	data->dai.cpus->of_node = spdif_np;  in imx_spdif_audio_probe()
48 	data->dai.platforms->of_node = spdif_np;  in imx_spdif_audio_probe()
49 	data->dai.playback_only = true;  in imx_spdif_audio_probe()
50 	data->dai.capture_only = true;  in imx_spdif_audio_probe()
52 	if (of_property_read_bool(np, "spdif-out"))  in imx_spdif_audio_probe()
53 		data->dai.capture_only = false;  in imx_spdif_audio_probe()
55 	if (of_property_read_bool(np, "spdif-in"))  in imx_spdif_audio_probe()
56 		data->dai.playback_only = false;  in imx_spdif_audio_probe()
58 	if (data->dai.playback_only && data->dai.capture_only) {  in imx_spdif_audio_probe()
59 		dev_err(&pdev->dev, "no enabled S/PDIF DAI link\n");  in imx_spdif_audio_probe()
63 	data->card.dev = &pdev->dev;  in imx_spdif_audio_probe()
64 	data->card.dai_link = &data->dai;  in imx_spdif_audio_probe()
65 	data->card.num_links = 1;  in imx_spdif_audio_probe()
66 	data->card.owner = THIS_MODULE;  in imx_spdif_audio_probe()
68 	ret = snd_soc_of_parse_card_name(&data->card, "model");  in imx_spdif_audio_probe()
72 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);  in imx_spdif_audio_probe()
73 	if (ret && ret != -EPROBE_DEFER)  in imx_spdif_audio_probe()
74 		dev_err(&pdev->dev, "snd_soc_register_card failed: %d\n", ret);  in imx_spdif_audio_probe()
83 	{ .compatible = "fsl,imx-audio-spdif", },
90 		.name = "imx-spdif",
102 MODULE_ALIAS("platform:imx-spdif");