[PATCH v2 2/4] leds: core: add color LED sysfs extension
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2016-02-16 19:30:44
Subsystem:
led subsystem, the rest · Maintainers:
Lee Jones, Pavel Machek, Linus Torvalds
Extend brightness sysfs property handling to deal with monochrome and color mode as well. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- 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; - if (state == LED_OFF) + if (is_off(state)) led_trigger_remove(led_cdev); led_set_brightness(led_cdev, state);
--
2.7.1