1 files changed, 29 insertions, 0 deletions

diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c
index 2e117311e582..4d99f4858a14 100644
--- a/sound/soc/fsl/imx-rpmsg.c
+++ b/sound/soc/fsl/imx-rpmsg.c
@@ -19,6 +19,7 @@
 struct imx_rpmsg {
 	struct snd_soc_dai_link dai;
 	struct snd_soc_card card;
+	unsigned long sysclk;
 };
 
 static const struct snd_soc_dapm_widget imx_rpmsg_dapm_widgets[] = {
@@ -28,6 +29,27 @@ static const struct snd_soc_dapm_widget imx_rpmsg_dapm_widgets[] = {
 	SND_SOC_DAPM_MIC("Main MIC", NULL),
 };
 
+static int imx_rpmsg_late_probe(struct snd_soc_card *card)
+{
+	struct imx_rpmsg *data = snd_soc_card_get_drvdata(card);
+	struct snd_soc_pcm_runtime *rtd = list_first_entry(&card->rtd_list,
+							   struct snd_soc_pcm_runtime, list);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct device *dev = card->dev;
+	int ret;
+
+	if (!data->sysclk)
+		return 0;
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, data->sysclk, SND_SOC_CLOCK_IN);
+	if (ret && ret != -ENOTSUPP) {
+		dev_err(dev, "failed to set sysclk in %s\n", __func__);
+		return ret;
+	}
+
+	return 0;
+}
+
 static int imx_rpmsg_probe(struct platform_device *pdev)
 {
 	struct snd_soc_dai_link_component *dlc;
@@ -72,12 +94,18 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
 		data->dai.codecs->dai_name = "snd-soc-dummy-dai";
 		data->dai.codecs->name = "snd-soc-dummy";
 	} else {
+		struct clk *clk;
+
 		data->dai.codecs->of_node = args.np;
 		ret = snd_soc_get_dai_name(&args, &data->dai.codecs->dai_name);
 		if (ret) {
 			dev_err(&pdev->dev, "Unable to get codec_dai_name\n");
 			goto fail;
 		}
+
+		clk = devm_get_clk_from_child(&pdev->dev, args.np, NULL);
+		if (!IS_ERR(clk))
+			data->sysclk = clk_get_rate(clk);
 	}
 
 	data->dai.cpus->dai_name = dev_name(&rpmsg_pdev->dev);
@@ -103,6 +131,7 @@ static int imx_rpmsg_probe(struct platform_device *pdev)
 	data->card.owner = THIS_MODULE;
 	data->card.dapm_widgets = imx_rpmsg_dapm_widgets;
 	data->card.num_dapm_widgets = ARRAY_SIZE(imx_rpmsg_dapm_widgets);
+	data->card.late_probe = imx_rpmsg_late_probe;
 	/*
 	 * Inoder to use common api to get card name and audio routing.
 	 * Use parent of_node for this device, revert it after finishing using