[PATCH 6/6] ASOC: SOF: simplify nocodec mode

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From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

Replace ugly #if (!IS_ENABLED) by if (!IS_ENABLED), remove
cross-module dependencies and use classic mechanism to pass
information to the machine driver.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
 include/sound/sof.h       |  3 ---
 sound/soc/sof/nocodec.c   | 39 +++++++++++++++++++++------------------
 sound/soc/sof/sof-audio.c | 32 ++++++++++++++------------------
 3 files changed, 35 insertions(+), 39 deletions(-)

diff --git a/include/sound/sof.h b/include/sound/sof.h
index b93bb8038080..502ed9b8d6a1 100644
--- a/include/sound/sof.h
+++ b/include/sound/sof.h
@@ -100,9 +100,6 @@ struct sof_dev_desc {
 	const struct snd_sof_dsp_ops *ops;
 };
 
-int sof_nocodec_setup(struct device *dev, const struct snd_sof_dsp_ops *ops,
-		      int (*pcm_dai_link_fixup)(struct snd_soc_pcm_runtime *rtd,
-						struct snd_pcm_hw_params *params));
 int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
 
 #endif
diff --git a/sound/soc/sof/nocodec.c b/sound/soc/sof/nocodec.c
index 3b9bb2e83a86..356497fe4f4c 100644
--- a/sound/soc/sof/nocodec.c
+++ b/sound/soc/sof/nocodec.c
@@ -20,16 +20,14 @@ static struct snd_soc_card sof_nocodec_card = {
 };
 
 static int sof_nocodec_bes_setup(struct device *dev,
-				 const struct snd_sof_dsp_ops *ops,
+				 struct snd_soc_dai_driver *drv,
 				 struct snd_soc_dai_link *links,
-				 int link_num, struct snd_soc_card *card,
-				 int (*pcm_dai_link_fixup)(struct snd_soc_pcm_runtime *rtd,
-							   struct snd_pcm_hw_params *params))
+				 int link_num, struct snd_soc_card *card)
 {
 	struct snd_soc_dai_link_component *dlc;
 	int i;
 
-	if (!ops || !links || !card)
+	if (!drv || !links || !card)
 		return -EINVAL;
 
 	/* set up BE dai_links */
@@ -55,16 +53,16 @@ static int sof_nocodec_bes_setup(struct device *dev,
 
 		links[i].id = i;
 		links[i].no_pcm = 1;
-		links[i].cpus->dai_name = ops->drv[i].name;
-		links[i].platforms->name = dev_name(dev);
+		links[i].cpus->dai_name = drv[i].name;
+		links[i].platforms->name = dev_name(dev->parent);
 		links[i].codecs->dai_name = "snd-soc-dummy-dai";
 		links[i].codecs->name = "snd-soc-dummy";
-		if (ops->drv[i].playback.channels_min)
+		if (drv[i].playback.channels_min)
 			links[i].dpcm_playback = 1;
-		if (ops->drv[i].capture.channels_min)
+		if (drv[i].capture.channels_min)
 			links[i].dpcm_capture = 1;
 
-		links[i].be_hw_params_fixup = pcm_dai_link_fixup;
+		links[i].be_hw_params_fixup = sof_pcm_dai_link_fixup;
 	}
 
 	card->dai_link = links;
@@ -73,29 +71,34 @@ static int sof_nocodec_bes_setup(struct device *dev,
 	return 0;
 }
 
-int sof_nocodec_setup(struct device *dev, const struct snd_sof_dsp_ops *ops,
-		      int (*pcm_dai_link_fixup)(struct snd_soc_pcm_runtime *rtd,
-						struct snd_pcm_hw_params *params))
+static int sof_nocodec_setup(struct device *dev,
+			     u32 num_dai_drivers,
+			     struct snd_soc_dai_driver *dai_drivers)
 {
 	struct snd_soc_dai_link *links;
 
 	/* create dummy BE dai_links */
-	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
-			     ops->num_drv, GFP_KERNEL);
+	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * num_dai_drivers, GFP_KERNEL);
 	if (!links)
 		return -ENOMEM;
 
-	return sof_nocodec_bes_setup(dev, ops, links, ops->num_drv,
-				     &sof_nocodec_card, pcm_dai_link_fixup);
+	return sof_nocodec_bes_setup(dev, dai_drivers, links, num_dai_drivers, &sof_nocodec_card);
 }
-EXPORT_SYMBOL(sof_nocodec_setup);
 
 static int sof_nocodec_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = &sof_nocodec_card;
+	struct snd_soc_acpi_mach *mach;
+	int ret;
 
 	card->dev = &pdev->dev;
 	card->topology_shortname_created = true;
+	mach = pdev->dev.platform_data;
+
+	ret = sof_nocodec_setup(card->dev, mach->mach_params.num_dai_drivers,
+				mach->mach_params.dai_drivers);
+	if (ret < 0)
+		return ret;
 
 	return devm_snd_soc_register_card(&pdev->dev, card);
 }
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 5d13bafd4736..0d0d47dc0246 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -468,24 +468,24 @@ int sof_machine_check(struct snd_sof_dev *sdev)
 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
 	const struct sof_dev_desc *desc = sof_pdata->desc;
 	struct snd_soc_acpi_mach *mach;
-	int ret;
 
-#if !IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
+	if (!IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)) {
 
-	/* find machine */
-	snd_sof_machine_select(sdev);
-	if (sof_pdata->machine) {
-		snd_sof_set_mach_params(sof_pdata->machine, sdev);
-		return 0;
+		/* find machine */
+		snd_sof_machine_select(sdev);
+		if (sof_pdata->machine) {
+			snd_sof_set_mach_params(sof_pdata->machine, sdev);
+			return 0;
+		}
+
+		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)) {
+			dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n");
+			return -ENODEV;
+		}
+	} else {
+		dev_warn(sdev->dev, "Force to use nocodec mode\n");
 	}
 
-#if !IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
-	dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n");
-	return -ENODEV;
-#endif
-#else
-	dev_warn(sdev->dev, "Force to use nocodec mode\n");
-#endif
 	/* select nocodec mode */
 	dev_warn(sdev->dev, "Using nocodec machine driver\n");
 	mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL);
@@ -495,10 +495,6 @@ int sof_machine_check(struct snd_sof_dev *sdev)
 	mach->drv_name = "sof-nocodec";
 	sof_pdata->tplg_filename = desc->nocodec_tplg_filename;
 
-	ret = sof_nocodec_setup(sdev->dev, desc->ops, sof_pcm_dai_link_fixup);
-	if (ret < 0)
-		return ret;
-
 	sof_pdata->machine = mach;
 	snd_sof_set_mach_params(sof_pdata->machine, sdev);
 
-- 
2.25.1




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