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leds: trigger: gpio: Use sysfs_emit() to instead of s*printf()

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Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231103195310.948327-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Andy Shevchenko
2023-11-03 21:53:09 +02:00
committed by Lee Jones
parent 7d6766f537
commit 7b9c5500f4
1 changed files with 1 additions and 1 deletions
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drivers/leds/trigger/ledtrig-gpio.c
+1 -1
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@@ -46,7 +46,7 @@ static ssize_t gpio_trig_brightness_show(struct device *dev,
{
struct gpio_trig_data *gpio_data = led_trigger_get_drvdata(dev);
return sprintf(buf, "%u\n", gpio_data->desired_brightness);
return sysfs_emit(buf, "%u\n", gpio_data->desired_brightness);
}
static ssize_t gpio_trig_brightness_store(struct device *dev,