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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.c85
1 files changed, 21 insertions, 64 deletions
diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c
index 8499d5292f08..e1dc40143600 100644
--- a/sound/soc/fsl/imx-spdif.c
+++ b/sound/soc/fsl/imx-spdif.c
@@ -14,17 +14,15 @@
#include <sound/soc.h>
struct imx_spdif_data {
- struct snd_soc_dai_link dai[2];
+ struct snd_soc_dai_link dai;
struct snd_soc_card card;
- struct platform_device *txdev;
- struct platform_device *rxdev;
};
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;
- int ret = 0, num_links = 0;
+ int ret = 0;
spdif_np = of_parse_phandle(np, "spdif-controller", 0);
if (!spdif_np) {
@@ -35,74 +33,46 @@ static int imx_spdif_audio_probe(struct platform_device *pdev)
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
ret = -ENOMEM;
goto end;
}
- if (of_property_read_bool(np, "spdif-out")) {
- data->dai[num_links].name = "S/PDIF TX";
- data->dai[num_links].stream_name = "S/PDIF PCM Playback";
- data->dai[num_links].codec_dai_name = "dit-hifi";
- data->dai[num_links].codec_name = "spdif-dit";
- data->dai[num_links].cpu_of_node = spdif_np;
- data->dai[num_links].platform_of_node = spdif_np;
- num_links++;
-
- data->txdev = platform_device_register_simple("spdif-dit", -1, NULL, 0);
- if (IS_ERR(data->txdev)) {
- ret = PTR_ERR(data->txdev);
- dev_err(&pdev->dev, "register dit failed: %d\n", ret);
- goto end;
- }
- }
+ data->dai.name = "S/PDIF PCM";
+ data->dai.stream_name = "S/PDIF PCM";
+ data->dai.codec_dai_name = "snd-soc-dummy-dai";
+ data->dai.codec_name = "snd-soc-dummy";
+ data->dai.cpu_of_node = spdif_np;
+ data->dai.platform_of_node = spdif_np;
+ data->dai.playback_only = true;
+ data->dai.capture_only = true;
- if (of_property_read_bool(np, "spdif-in")) {
- data->dai[num_links].name = "S/PDIF RX";
- data->dai[num_links].stream_name = "S/PDIF PCM Capture";
- data->dai[num_links].codec_dai_name = "dir-hifi";
- data->dai[num_links].codec_name = "spdif-dir";
- data->dai[num_links].cpu_of_node = spdif_np;
- data->dai[num_links].platform_of_node = spdif_np;
- num_links++;
-
- data->rxdev = platform_device_register_simple("spdif-dir", -1, NULL, 0);
- if (IS_ERR(data->rxdev)) {
- ret = PTR_ERR(data->rxdev);
- dev_err(&pdev->dev, "register dir failed: %d\n", ret);
- goto error_dit;
- }
- }
+ 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 (!num_links) {
+ if (data->dai.playback_only && data->dai.capture_only) {
dev_err(&pdev->dev, "no enabled S/PDIF DAI link\n");
- goto error_dir;
+ goto end;
}
data->card.dev = &pdev->dev;
- data->card.num_links = num_links;
- data->card.dai_link = data->dai;
+ data->card.dai_link = &data->dai;
+ data->card.num_links = 1;
ret = snd_soc_of_parse_card_name(&data->card, "model");
if (ret)
- goto error_dir;
+ goto end;
ret = devm_snd_soc_register_card(&pdev->dev, &data->card);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card failed: %d\n", ret);
- goto error_dir;
+ goto end;
}
platform_set_drvdata(pdev, data);
- goto end;
-
-error_dir:
- if (data->rxdev)
- platform_device_unregister(data->rxdev);
-error_dit:
- if (data->txdev)
- platform_device_unregister(data->txdev);
end:
if (spdif_np)
of_node_put(spdif_np);
@@ -110,18 +80,6 @@ end:
return ret;
}
-static int imx_spdif_audio_remove(struct platform_device *pdev)
-{
- struct imx_spdif_data *data = platform_get_drvdata(pdev);
-
- if (data->rxdev)
- platform_device_unregister(data->rxdev);
- if (data->txdev)
- platform_device_unregister(data->txdev);
-
- return 0;
-}
-
static const struct of_device_id imx_spdif_dt_ids[] = {
{ .compatible = "fsl,imx-audio-spdif", },
{ /* sentinel */ }
@@ -135,7 +93,6 @@ static struct platform_driver imx_spdif_driver = {
.of_match_table = imx_spdif_dt_ids,
},
.probe = imx_spdif_audio_probe,
- .remove = imx_spdif_audio_remove,
};
module_platform_driver(imx_spdif_driver);