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From:   Zhang Jianhua <zhangjianhua18@huawei.com>
To:     <adrien.grassein@gmail.com>, <a.hajda@samsung.com>,
        <narmstrong@baylibre.com>, <robert.foss@linaro.org>,
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        <jernej.skrabec@siol.net>, <airlied@linux.ie>, <daniel@ffwll.ch>,
        <zhangjianhua18@huawei.com>
CC:     <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
        <johnny.chenyi@huawei.com>, <heying24@huawei.com>
Subject: [PATCH -next v2] drm/bridge: lt8912b: Add header file <linux/gpio/consumer.h>
Date:   Thu, 8 Apr 2021 11:54:35 +0800
Message-ID: <20210408035435.250677-1-zhangjianhua18@huawei.com>
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Precedence: bulk

If CONFIG_DRM_LONTIUM_LT8912B=m, the following errors will be seen while
compiling lontium-lt8912b.c

drivers/gpu/drm/bridge/lontium-lt8912b.c: In function
‘lt8912_hard_power_on’:
drivers/gpu/drm/bridge/lontium-lt8912b.c:252:2: error: implicit
declaration of function ‘gpiod_set_value_cansleep’; did you mean
‘gpio_set_value_cansleep’? [-Werror=implicit-function-declaration]
  gpiod_set_value_cansleep(lt->gp_reset, 0);
  ^~~~~~~~~~~~~~~~~~~~~~~~
  gpio_set_value_cansleep
drivers/gpu/drm/bridge/lontium-lt8912b.c: In function ‘lt8912_parse_dt’:
drivers/gpu/drm/bridge/lontium-lt8912b.c:628:13: error: implicit
declaration of function ‘devm_gpiod_get_optional’; did you mean
‘devm_gpio_request_one’? [-Werror=implicit-function-declaration]
  gp_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
             ^~~~~~~~~~~~~~~~~~~~~~~
             devm_gpio_request_one
drivers/gpu/drm/bridge/lontium-lt8912b.c:628:51: error: ‘GPIOD_OUT_HIGH’
undeclared (first use in this function); did you mean ‘GPIOF_INIT_HIGH’?
  gp_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
                                                   ^~~~~~~~~~~~~~
                                                   GPIOF_INIT_HIGH

Signed-off-by: Zhang Jianhua <zhangjianhua18@huawei.com>
---
v2:
- add header file <linux/gpio/consumer.h> for lontium-lt8912b.c instead
  of add config dependence for CONFIG_DRM_LONTIUM_LT8912B
---
 drivers/gpu/drm/bridge/lontium-lt8912b.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index 61491615bad0..79845b3b19e1 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -3,6 +3,7 @@
  * Copyright (c) 2018, The Linux Foundation. All rights reserved.
  */
 
+#include <linux/gpio/consumer.h>
 #include <linux/device.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
-- 
2.17.1