Re: [RESEND PATCH] pwm-backlight: fix the panel power sequence

From: kbuild test robot
Date: Thu Oct 15 2015 - 22:43:17 EST


Hi YH,

[auto build test ERROR on pwm/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url: https://github.com/0day-ci/linux/commits/YH-Huang/pwm-backlight-fix-the-panel-power-sequence/20151016-093957
config: i386-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/video/backlight/pwm_bl.c: In function 'pwm_backlight_probe':
>> drivers/video/backlight/pwm_bl.c:245:20: error: too few arguments to function 'devm_gpiod_get_optional'
pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable");
^
In file included from drivers/video/backlight/pwm_bl.c:13:0:
include/linux/gpio/consumer.h:80:32: note: declared here
struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev,
^

vim +/devm_gpiod_get_optional +245 drivers/video/backlight/pwm_bl.c

239 pb->notify_after = data->notify_after;
240 pb->check_fb = data->check_fb;
241 pb->exit = data->exit;
242 pb->dev = &pdev->dev;
243 pb->enabled = false;
244
> 245 pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable");
246 if (IS_ERR(pb->enable_gpio)) {
247 ret = PTR_ERR(pb->enable_gpio);
248 goto err_alloc;

---
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