From 223293205a7265c8b02882461ba8996650048ade Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 06:33:33 +0000
Subject: [PATCH] audio ok

---
 kernel/drivers/iio/dac/ad5592r-base.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/iio/dac/ad5592r-base.h b/kernel/drivers/iio/dac/ad5592r-base.h
index 841457e..23dac2f 100644
--- a/kernel/drivers/iio/dac/ad5592r-base.h
+++ b/kernel/drivers/iio/dac/ad5592r-base.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * AD5592R / AD5593R Digital <-> Analog converters driver
  *
  * Copyright 2015-2016 Analog Devices Inc.
  * Author: Paul Cercueil <paul.cercueil@analog.com>
- *
- * Licensed under the GPL-2.
  */
 
 #ifndef __DRIVERS_IIO_DAC_AD5592R_BASE_H__
@@ -53,6 +52,7 @@
 	struct regulator *reg;
 	struct gpio_chip gpiochip;
 	struct mutex gpio_lock;	/* Protect cached gpio_out, gpio_val, etc. */
+	struct mutex lock;
 	unsigned int num_channels;
 	const struct ad5592r_rw_ops *ops;
 	int scale_avail[2][2];

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