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[4/4] ASoC: ac97: Add DT support

Message ID 20250115-loongson1-ac97-v1-4-2087b04dcd7f@gmail.com (mailing list archive)
State New
Headers show
Series Add support for Loongson-1 AC97 | expand

Commit Message

Keguang Zhang via B4 Relay Jan. 15, 2025, 11:03 a.m. UTC 
From: Keguang Zhang <keguang.zhang@gmail.com>

Add an of_match_table with 'realtek,alc203' to provide
DT support for the AC97 generic codec driver.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
---
 sound/soc/codecs/ac97.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c
index 0e013edfe63d..d8444a083af2 100644
--- a/sound/soc/codecs/ac97.c
+++ b/sound/soc/codecs/ac97.c
@@ -13,6 +13,7 @@ 
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/ac97_codec.h>
@@ -127,9 +128,18 @@  static int ac97_probe(struct platform_device *pdev)
 			&soc_component_dev_ac97, &ac97_dai, 1);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ac97_codec_of_match[] = {
+	{ .compatible = "realtek,alc203", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, ac97_codec_of_match);
+#endif
+
 static struct platform_driver ac97_codec_driver = {
 	.driver = {
 		.name = "ac97-codec",
+		.of_match_table = of_match_ptr(ac97_codec_of_match),
 	},
 
 	.probe = ac97_probe,