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HID: wacom: Use half of brightness for low state

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Intuos4 WL leds have 2 states: high and low. With no activity tablet
uses low state; using pen triggers high state. Both can be set
independently, but it would require setting another led device to
control them separately. This patch uses the brightness set through leds
subsytem as high and half of that value as low.

Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Przemo Firszt 2012-07-31 18:27:55 +01:00 committed by Jiri Kosina
parent e8ff13b0bf
commit 530a76c14f
1 changed files with 2 additions and 1 deletions
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3
drivers/hid/hid-wacom.c
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@ -91,7 +91,8 @@ static void wacom_leds_set_brightness(struct led_classdev *led_dev,
if (buf) {
buf[0] = WAC_CMD_LED_CONTROL;
buf[1] = led;
buf[2] = value;
buf[2] = value >> 2;
buf[3] = value;
hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
kfree(buf);
}