From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/sound/soc/codecs/adau1977.c | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/kernel/sound/soc/codecs/adau1977.c b/kernel/sound/soc/codecs/adau1977.c
index 116af6a..0a36e52 100644
--- a/kernel/sound/soc/codecs/adau1977.c
+++ b/kernel/sound/soc/codecs/adau1977.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ADAU1977/ADAU1978/ADAU1979 driver
*
* Copyright 2014 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2.
*/
#include <linux/delay.h>
@@ -885,13 +884,15 @@
struct adau1977_platform_data *pdata = adau1977->dev->platform_data;
unsigned int micbias;
- if (pdata) {
+ if (pdata)
micbias = pdata->micbias;
- if (micbias > ADAU1977_MICBIAS_9V0)
- return -EINVAL;
-
- } else {
+ else if (device_property_read_u32(adau1977->dev, "adi,micbias",
+ &micbias))
micbias = ADAU1977_MICBIAS_8V5;
+
+ if (micbias > ADAU1977_MICBIAS_9V0) {
+ dev_err(adau1977->dev, "Invalid value for 'adi,micbias'\n");
+ return -EINVAL;
}
return regmap_update_bits(adau1977->regmap, ADAU1977_REG_MICBIAS,
--
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