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[v2,resend,5/9] HID: lenovo: Set LEDs max_brightness value

Message ID 20210404080432.4322-6-hdegoede@redhat.com
State New
Headers show
Series HID: lenovo: LED fixes and Thinkpad X1 Tablet kbd support | expand

Commit Message

Hans de Goede April 4, 2021, 8:04 a.m. UTC 
The LEDs can only by turned on/off, so max_brightness should be set to 1.
Without this the max_brightness sysfs-attribute will report 255 which is
wrong.

Reviewed-by: Marek Behún <kabel@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
Changes in v3:
- Use 1 instead of LED_ON

Changes in v2:
- New patch in v2 of this patch-set
---
 drivers/hid/hid-lenovo.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 1b8dd85ceb05..668762663f69 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -822,6 +822,7 @@  static int lenovo_register_leds(struct hid_device *hdev)
 
 	data->led_mute.name = name_mute;
 	data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
+	data->led_mute.max_brightness = 1;
 	data->led_mute.flags = LED_HW_PLUGGABLE;
 	data->led_mute.dev = &hdev->dev;
 	ret = led_classdev_register(&hdev->dev, &data->led_mute);
@@ -830,6 +831,7 @@  static int lenovo_register_leds(struct hid_device *hdev)
 
 	data->led_micmute.name = name_micm;
 	data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
+	data->led_micmute.max_brightness = 1;
 	data->led_micmute.flags = LED_HW_PLUGGABLE;
 	data->led_micmute.dev = &hdev->dev;
 	ret = led_classdev_register(&hdev->dev, &data->led_micmute);