ASoC: fsl: imx-spdif: cleanup platform which is using Generic DMA

If CPU is using soc-generic-dmaengine-pcm, Platform Component will be
same as CPU Component. In this case, we can use CPU dlc for Platform dlc.
This patch shares CPU dlc with Platform, and add comment.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Tested-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/87a5z2f61w.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/imx-spdif.c b/sound/soc/fsl/imx-spdif.c
index 4446fba..ab97843 100644 (file)
--- a/sound/soc/fsl/imx-spdif.c
+++ b/sound/soc/fsl/imx-spdif.c
@@ -26,15 +26,19 @@ static int imx_spdif_audio_probe(struct platform_device *pdev)
        }
 
        data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
-       comp = devm_kzalloc(&pdev->dev, 3 * sizeof(*comp), GFP_KERNEL);
+       comp = devm_kzalloc(&pdev->dev, 2 * sizeof(*comp), GFP_KERNEL);
        if (!data || !comp) {
                ret = -ENOMEM;
                goto end;
        }
 
-       data->dai.cpus          = &comp[0];
+       /*
+        * CPU == Platform
+        * platform is using soc-generic-dmaengine-pcm
+        */
+       data->dai.cpus          =
+       data->dai.platforms     = &comp[0];
        data->dai.codecs        = &comp[1];
-       data->dai.platforms     = &comp[2];
 
        data->dai.num_cpus      = 1;
        data->dai.num_codecs    = 1;
@@ -45,7 +49,6 @@ static int imx_spdif_audio_probe(struct platform_device *pdev)
        data->dai.codecs->dai_name = "snd-soc-dummy-dai";
        data->dai.codecs->name = "snd-soc-dummy";
        data->dai.cpus->of_node = spdif_np;
-       data->dai.platforms->of_node = spdif_np;
        data->dai.playback_only = true;
        data->dai.capture_only = true;