linux-kernel - drivers/input/touchscreen/hideep.c:670:3: error: implicit declaration of function 'gpiod_set_value

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Message-ID: <201711280255.u9nE5HEp%fengguang.wu@intel.com>
Date:   Tue, 28 Nov 2017 02:18:20 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Anthony Kim <anthony.kim@...eep.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: drivers/input/touchscreen/hideep.c:670:3: error: implicit
 declaration of function 'gpiod_set_value_cansleep'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323
commit: 842ff286166e8512450573f6b6eb5e04e626a07f Input: add support for HiDeep touchscreen
date:   2 weeks ago
config: x86_64-randconfig-s0-11280111 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        git checkout 842ff286166e8512450573f6b6eb5e04e626a07f
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/input/touchscreen/hideep.c: In function 'hideep_power_on':
>> drivers/input/touchscreen/hideep.c:670:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration]
      gpiod_set_value_cansleep(ts->reset_gpio, 0);
      ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/input/touchscreen/hideep.c: In function 'hideep_power_off':
>> drivers/input/touchscreen/hideep.c:688:3: error: implicit declaration of function 'gpiod_set_value' [-Werror=implicit-function-declaration]
      gpiod_set_value(ts->reset_gpio, 1);
      ^~~~~~~~~~~~~~~
   drivers/input/touchscreen/hideep.c: In function 'hideep_probe':
>> drivers/input/touchscreen/hideep.c:1039:19: error: implicit declaration of function 'devm_gpiod_get_optional' [-Werror=implicit-function-declaration]
     ts->reset_gpio = devm_gpiod_get_optional(&client->dev,
                      ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/input/touchscreen/hideep.c:1040:17: error: 'GPIOD_OUT_HIGH' undeclared (first use in this function)
           "reset", GPIOD_OUT_HIGH);
                    ^~~~~~~~~~~~~~
   drivers/input/touchscreen/hideep.c:1040:17: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/gpiod_set_value_cansleep +670 drivers/input/touchscreen/hideep.c

   649	
   650	static int hideep_power_on(struct hideep_ts *ts)
   651	{
   652		int error = 0;
   653	
   654		error = regulator_enable(ts->vcc_vdd);
   655		if (error)
   656			dev_err(&ts->client->dev,
   657				"failed to enable 'vdd' regulator: %d", error);
   658	
   659		usleep_range(999, 1000);
   660	
   661		error = regulator_enable(ts->vcc_vid);
   662		if (error)
   663			dev_err(&ts->client->dev,
   664				"failed to enable 'vcc_vid' regulator: %d",
   665				error);
   666	
   667		msleep(30);
   668	
   669		if (ts->reset_gpio) {
 > 670			gpiod_set_value_cansleep(ts->reset_gpio, 0);
   671		} else {
   672			error = regmap_write(ts->reg, HIDEEP_RESET_CMD, 0x01);
   673			if (error)
   674				dev_err(&ts->client->dev,
   675					"failed to send 'reset' command: %d\n", error);
   676		}
   677	
   678		msleep(50);
   679	
   680		return error;
   681	}
   682	
   683	static void hideep_power_off(void *data)
   684	{
   685		struct hideep_ts *ts = data;
   686	
   687		if (ts->reset_gpio)
 > 688			gpiod_set_value(ts->reset_gpio, 1);
   689	
   690		regulator_disable(ts->vcc_vid);
   691		regulator_disable(ts->vcc_vdd);
   692	}
   693	

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