The is_visible logic for it is plain wrong: 1. it is used only during devnode creation; 2. it was using the wrong field (id, instead of indicator). Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- drivers/staging/nuc-led/nuc-wmi.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/staging/nuc-led/nuc-wmi.c b/drivers/staging/nuc-led/nuc-wmi.c index 68143d45c34c..fab0094a20e4 100644 --- a/drivers/staging/nuc-led/nuc-wmi.c +++ b/drivers/staging/nuc-led/nuc-wmi.c @@ -1476,6 +1476,9 @@ static ssize_t show_blink_behavior(struct device *dev, if (led->api_rev == LED_API_NUC6) return nuc6_show_blink_behavior(dev, attr, buf); + if (led->indicator != LED_IND_SOFTWARE) + return -EINVAL; + return offset_show_blink_behavior(dev, attr, 0, buf); } @@ -1489,6 +1492,9 @@ static ssize_t store_blink_behavior(struct device *dev, if (led->api_rev == LED_API_NUC6) return nuc6_store_blink_behavior(dev, attr, buf, len); + if (led->indicator != LED_IND_SOFTWARE) + return -EINVAL; + return offset_store_blink_behavior(dev, attr, 0, buf, len); } @@ -1593,6 +1599,9 @@ static ssize_t show_blink_frequency(struct device *dev, if (led->api_rev == LED_API_NUC6) return nuc6_show_blink_frequency(dev, attr, buf); + if (led->indicator != LED_IND_SOFTWARE) + return -EINVAL; + return offset_show_blink_frequency(dev, attr, 0, buf); } @@ -1606,26 +1615,12 @@ static ssize_t store_blink_frequency(struct device *dev, if (led->api_rev == LED_API_NUC6) return nuc6_store_blink_frequency(dev, attr, buf, len); + if (led->indicator != LED_IND_SOFTWARE) + return -EINVAL; + return offset_store_blink_frequency(dev, attr, 0, buf, len); } -static umode_t nuc_wmi_led_blink_is_visible(struct kobject *kobj, - struct attribute *attr, int idx) -{ - struct device *dev = kobj_to_dev(kobj); - struct led_classdev *cdev = dev_get_drvdata(dev); - struct nuc_nmi_led *led = container_of(cdev, struct nuc_nmi_led, cdev); - umode_t mode = attr->mode; - - if (led->api_rev == LED_API_NUC6) - return mode; - - if (led->id == LED_IND_SOFTWARE) - return mode; - - return 0; -} - /* HDD activity behavior */ static ssize_t show_hdd_default(struct device *dev, struct device_attribute *attr, @@ -1785,7 +1780,6 @@ static struct attribute *nuc_wmi_led_blink_behavior_attr[] = { }; static const struct attribute_group nuc_wmi_led_blink_attribute_group = { - .is_visible = nuc_wmi_led_blink_is_visible, .attrs = nuc_wmi_led_blink_behavior_attr, }; -- 2.31.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel