diff options
Diffstat (limited to 'sound/soc/fsl/imx-spdif.c')
-rw-r--r-- | sound/soc/fsl/imx-spdif.c | 85 |
1 files changed, 21 insertions, 64 deletions
diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c index 8499d5292f0..e1dc4014360 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); |