linux-kernel - [PATCH -next v2 1/2] ASoC: max98396: Fix build error for implicit function declaration

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Message-ID: <20220512074640.75550-2-tanghui20@huawei.com>
Date:   Thu, 12 May 2022 15:46:39 +0800
From:   Hui Tang <tanghui20@...wei.com>
To:     <lgirdwood@...il.com>
CC:     <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>,
        <ryan.lee.analog@...il.com>, <ricardw@...s.com>, <steve@....org>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <tanghui20@...wei.com>
Subject: [PATCH -next v2 1/2] ASoC: max98396: Fix build error for implicit function declaration

sound/soc/codecs/max98396.c: In function ‘max98396_i2c_probe’:
sound/soc/codecs/max98396.c:1555:25: error: implicit declaration of function ‘devm_gpiod_get_optional’; did you mean ‘devm_regulator_get_optional’? [-Werror=implicit-function-declaration]
  max98396->reset_gpio = devm_gpiod_get_optional(&i2c->dev,
                         ^~~~~~~~~~~~~~~~~~~~~~~
                         devm_regulator_get_optional
sound/soc/codecs/max98396.c:1556:23: error: ‘GPIOD_OUT_HIGH’ undeclared (first use in this function); did you mean ‘GPIOF_INIT_HIGH’?
              "reset", GPIOD_OUT_HIGH);
                       ^~~~~~~~~~~~~~
                       GPIOF_INIT_HIGH
sound/soc/codecs/max98396.c:1556:23: note: each undeclared identifier is reported only once for each function it appears in
sound/soc/codecs/max98396.c:1565:3: error: implicit declaration of function ‘gpiod_set_value_cansleep’; did you mean ‘gpio_set_value_cansleep’? [-Werror=implicit-function-declaration]
   gpiod_set_value_cansleep(max98396->reset_gpio, 0);
   ^~~~~~~~~~~~~~~~~~~~~~~~
   gpio_set_value_cansleep
cc1: all warnings being treated as errors

Include header file <linux/gpio/consumer.h>

Fixes: b58581136770 ("ASoC: max98396: add amplifier driver")
Signed-off-by: Hui Tang <tanghui20@...wei.com>
---
Changes in v2:
 * Add missing header files instead of adding dependencies

 sound/soc/codecs/max98396.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/max98396.c b/sound/soc/codecs/max98396.c
index 745d7e761680..56eb62bb041f 100644
--- a/sound/soc/codecs/max98396.c
+++ b/sound/soc/codecs/max98396.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (c) 2022, Analog Devices Inc.
 
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
 #include <sound/pcm_params.h>
-- 
2.17.1