Re: [PATCH v2 2/4] leds: core: add color LED sysfs extension

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Hi Heiner,

On 02/16/2016 08:28 PM, Heiner Kallweit wrote:
Extend brightness sysfs property handling to deal with monochrome
and color mode as well.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
v2:
- split from patch 1
---
  drivers/leds/led-class.c | 9 ++++++---
  1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index aa84e5b..09e0007 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -32,7 +32,10 @@ static ssize_t brightness_show(struct device *dev,
  	/* no lock needed for this */
  	led_update_brightness(led_cdev);

-	return sprintf(buf, "%u\n", led_cdev->brightness);
+	if (led_cdev->brightness > LED_FULL)
+		return sprintf(buf, "%#06x\n", led_cdev->brightness);
+	else
+		return sprintf(buf, "%u\n", led_cdev->brightness);
  }

  static ssize_t brightness_store(struct device *dev,
@@ -49,11 +52,11 @@ static ssize_t brightness_store(struct device *dev,
  		goto unlock;
  	}

-	ret = kstrtoul(buf, 10, &state);
+	ret = kstrtoul(buf, 0, &state);
  	if (ret)
  		goto unlock;

Please leave only this change in the patch, as it extends the scope
of possible arguments for user space. Remaining changes can be moved
to 1/4.



-	if (state == LED_OFF)
+	if (is_off(state))
  		led_trigger_remove(led_cdev);
  	led_set_brightness(led_cdev, state);




--
Best regards,
Jacek Anaszewski
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