Dnia 2014-07-24, czw o godzinie 14:13 -0400, Benjamin Tissoires pisze:
[..]
Hi Benjamin,
I'm testing the whole series including the OLED patch that's not on the
list yet.

Hardware: 2 x Intuos4 Wireless tested on usb and bluetooth until noted
otherwise.

What works:
1. Tablet in general, pressure, tilt, buttons etc.
2. Battery reporting (including gnome). The double wireless tablet bug
is gone:

$ ls /sys/class/power_supply/
AC  BAT0  wacom_ac_2  wacom_ac_3  wacom_battery_2  wacom_battery_3

3. Setting LED selector value
4. Setting LED selector brightness (default and pressed)
5. Rendering images to button displays works on usb ONLY.

$ i4oled -d 
/sys/bus/hid/drivers/wacom/0003\:056A\:00BC.0009/wacom_led/button0_rawimg -t 
Linux

On bluetooth writing image goes fine (no error), but there is nothing showing 
up,
so I suspect the brightness of OLED displays is not set properly.

That's the code before changes:

        led = wdata->led_selector | 0x04;
        buf = kzalloc(9, GFP_KERNEL);
        if (buf) {
                buf[0] = WAC_CMD_LED_CONTROL;
                buf[1] = led;
                buf[2] = value >> 2;
                buf[3] = value;
                /* use fixed brightness for OLEDs */
                buf[4] = 0x08;
                hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT,
                                   HID_REQ_SET_REPORT);
                kfree(buf);
        }

I don't remember for sure, but I think the range of brightness might be 
different
over usb and over bluetooth.

TL;DR: the only thing that needs to be fixed is image-over-bluetooth, probably 
caused by not
setting or incorrect setting of OLED brightness. 

-- 
Kind regards,
Przemo Firszt


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