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path: root/sound/soc/fsl/imx-spdif.c
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Diffstat (limited to 'sound/soc/fsl/imx-spdif.c')
-rw-r--r--sound/soc/fsl/imx-spdif.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c
deleted file mode 100644
index 1e57939a7e29..000000000000
--- a/sound/soc/fsl/imx-spdif.c
+++ /dev/null
@@ -1,103 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-//
-// Copyright (C) 2013 Freescale Semiconductor, Inc.
-
-#include <linux/module.h>
-#include <linux/of_platform.h>
-#include <sound/soc.h>
-
-struct imx_spdif_data {
- struct snd_soc_dai_link dai;
- struct snd_soc_card card;
-};
-
-static int imx_spdif_audio_probe(struct platform_device *pdev)
-{
- struct device_node *spdif_np, *np = pdev->dev.of_node;
- struct imx_spdif_data *data;
- struct snd_soc_dai_link_component *comp;
- int ret = 0;
-
- spdif_np = of_parse_phandle(np, "spdif-controller", 0);
- if (!spdif_np) {
- dev_err(&pdev->dev, "failed to find spdif-controller\n");
- ret = -EINVAL;
- goto end;
- }
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- comp = devm_kzalloc(&pdev->dev, sizeof(*comp), GFP_KERNEL);
- if (!data || !comp) {
- ret = -ENOMEM;
- goto end;
- }
-
- /*
- * CPU == Platform
- * platform is using soc-generic-dmaengine-pcm
- */
- data->dai.cpus =
- data->dai.platforms = comp;
- data->dai.codecs = &snd_soc_dummy_dlc;
-
- data->dai.num_cpus = 1;
- data->dai.num_codecs = 1;
- data->dai.num_platforms = 1;
-
- data->dai.name = "S/PDIF PCM";
- data->dai.stream_name = "S/PDIF PCM";
- data->dai.cpus->of_node = spdif_np;
- data->dai.playback_only = true;
- data->dai.capture_only = true;
-
- if (of_property_read_bool(np, "spdif-out"))
- data->dai.capture_only = false;
-
- if (of_property_read_bool(np, "spdif-in"))
- data->dai.playback_only = false;
-
- if (data->dai.playback_only && data->dai.capture_only) {
- dev_err(&pdev->dev, "no enabled S/PDIF DAI link\n");
- goto end;
- }
-
- data->card.dev = &pdev->dev;
- data->card.dai_link = &data->dai;
- data->card.num_links = 1;
- data->card.owner = THIS_MODULE;
-
- ret = snd_soc_of_parse_card_name(&data->card, "model");
- if (ret)
- goto end;
-
- ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
- if (ret)
- dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");
-
-end:
- of_node_put(spdif_np);
-
- return ret;
-}
-
-static const struct of_device_id imx_spdif_dt_ids[] = {
- { .compatible = "fsl,imx-audio-spdif", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, imx_spdif_dt_ids);
-
-static struct platform_driver imx_spdif_driver = {
- .driver = {
- .name = "imx-spdif",
- .pm = &snd_soc_pm_ops,
- .of_match_table = imx_spdif_dt_ids,
- },
- .probe = imx_spdif_audio_probe,
-};
-
-module_platform_driver(imx_spdif_driver);
-
-MODULE_AUTHOR("Freescale Semiconductor, Inc.");
-MODULE_DESCRIPTION("Freescale i.MX S/PDIF machine driver");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:imx-spdif");