ASoC: stm: stm32_adfsdm: set debugfs_prefix via Component driver

We can set component->debugfs_prefix via component_driver->debugfs_prefix.
Use it.

Now it no longer need to use snd_soc_component_initialize() /
snd_soc_component_add(). Use snd_soc_component_register() instead.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87fr35k5vs.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c
index a585cb9fc011a678914b33835a6439070de77528..66efb9a0acb9ebd617d27a3c50f57b651f36f567 100644 (file)
--- a/sound/soc/stm/stm32_adfsdm.c
+++ b/sound/soc/stm/stm32_adfsdm.c
@@ -312,6 +312,7 @@ static const struct snd_soc_component_driver stm32_adfsdm_soc_platform = {
        .trigger        = stm32_adfsdm_trigger,
        .pointer        = stm32_adfsdm_pcm_pointer,
        .pcm_new        = stm32_adfsdm_pcm_new,
+       .debugfs_prefix = "pcm",
 };
 
 static const struct of_device_id stm32_adfsdm_of_match[] = {
@@ -323,7 +324,6 @@ MODULE_DEVICE_TABLE(of, stm32_adfsdm_of_match);
 static int stm32_adfsdm_probe(struct platform_device *pdev)
 {
        struct stm32_adfsdm_priv *priv;
-       struct snd_soc_component *component;
        int ret;
 
        priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -357,20 +357,9 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
                return ret;
        }
 
-       component = devm_kzalloc(&pdev->dev, sizeof(*component), GFP_KERNEL);
-       if (!component)
-               return -ENOMEM;
-
-       ret = snd_soc_component_initialize(component,
-                                          &stm32_adfsdm_soc_platform,
-                                          &pdev->dev);
-       if (ret < 0)
-               return ret;
-#ifdef CONFIG_DEBUG_FS
-       component->debugfs_prefix = "pcm";
-#endif
-
-       ret = snd_soc_add_component(component, NULL, 0);
+       ret = devm_snd_soc_register_component(&pdev->dev,
+                                             &stm32_adfsdm_soc_platform,
+                                             NULL, 0);
        if (ret < 0) {
                dev_err(&pdev->dev, "%s: Failed to register PCM platform\n",
                        __func__);