[ddccontrol-users] Lenovo ThinkVision P34w-20 monitor

[Michael L. <mi...@la...>]

Hi there,

I have a Lenovo ThinkVision P34w-20 ultrawide monitor that I'd like to 
use with ddccontrol. It doesn't seem to be supported so I'm sending you 
the output of LANG= LC_ALL= ddccontrol -p -c -d as recommended by 
ddccontrol.

I am running an updated Pop-OS (based on Ubunto 22.04).

Output of ddccontrol below:


mike@pop-os:~$ LANG= LC_ALL= ddccontrol -p -c -d
ddccontrol version 0.6.0
Copyright 2004-2005 Oleg I. Vdovikin (ol...@cs...)
Copyright 2004-2006 Nicolas Boichat (ni...@bo...)
This program comes with ABSOLUTELY NO WARRANTY.
You may redistribute copies of this program under the terms of the GNU 
General Public License.

Detected monitors :
  - Device: dev:/dev/i2c-7
    DDC/CI supported: No
    Monitor Name: VESA standard monitor
    Input type: Digital
  - Device: dev:/dev/i2c-8
    DDC/CI supported: Yes
    Monitor Name: VESA standard monitor
    Input type: Digital
   (Automatically selected)
Reading EDID and initializing DDC/CI at bus dev:/dev/i2c-8...
Can't convert value to int, invalid CAPS (buf=06(00, pos=480).
I/O warning : failed to load external entity 
"/usr/share/ddccontrol-db/monitor/LEN62CC.xml"
Document not parsed successfully.

EDID readings:
     Plug and Play ID: LEN62CC [VESA standard monitor]
     Input type: Analog
=============================== WARNING ===============================
There is no support for your monitor in the database, but ddccontrol is
using a basic generic profile. Many controls will not be supported, and
some controls may not work as expected.
Please update ddccontrol-db, or, if you are already using the latest
version, please send the output of the following command to
ddc...@li...:

LANG= LC_ALL= ddccontrol -p -c -d

Thank you.
=============================== WARNING ===============================

Capabilities:
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
ioctl(): Inappropriate ioctl for device
ioctl returned -1
Capabilities read fail.

Controls (valid/current/max) [Description - Value name]:
Control 0x02: +/2/2 C [New Control Value - Some values changed]
Control 0x04: +/0/1 C [Restore Factory Defaults]
Control 0x05: +/0/1 C [Restore Brightness and Contrast]
Control 0x06: +/0/1   [???]
Control 0x08: +/0/1 C [Restore Factory Default Color]
Control 0x0b: +/100/0 C [???]
Control 0x0c: +/65506/63 C [???]
Control 0x10: +/100/100 C [Brightness]
Control 0x12: +/75/100 C [Contrast]
Control 0x14: +/11/15 C [???]
Control 0x16: +/100/100 C [Red maximum level]
Control 0x18: +/100/100 C [Green maximum level]
Control 0x1a: +/100/100 C [Blue maximum level]
Control 0x1e: +/0/1   [???]
Control 0x20: +/0/1   [???]
Control 0x30: +/0/1   [???]
Control 0x50: +/1/65535   [???]
Control 0x52: +/16/255 C [???]
Control 0x60: +/49/49 C [Input Source Select (Main)]
Control 0x62: +/95/100   [???]
Control 0x6c: +/80/100   [???]
Control 0x6e: +/80/100   [???]
Control 0x70: +/80/100   [???]
Control 0x86: +/2/5 C [???]
Control 0x87: +/2/10   [???]
Control 0x95: +/2074/2580 C [???]
Control 0x96: +/0/1080 C [???]
Control 0x97: +/3440/3440 C [???]
Control 0x98: +/768/1440 C [???]
Control 0xa4: +/0/65535 C [???]
Control 0xa5: +/0/512 C [???]
Control 0xac: +/23264/1 C [???]
Control 0xae: +/6000/65535 C [???]
Control 0xb2: +/1/1 C [???]
Control 0xb6: +/3/5 C [???]
Control 0xc6: +/67/0 C [???]
Control 0xc8: +/9/0 C [???]
Control 0xc9: +/260/65535 C [???]
Control 0xca: +/2/2 C [???]
Control 0xcc: +/2/13 C [???]
Control 0xd6: +/1/5 C [DPMS Control - On]
Control 0xdc: +/0/8 C [???]
Control 0xdf: +/514/65535 C [???]
Control 0xe0: +/1/2 C [???]
Control 0xea: +/0/1 C [???]
Control 0xeb: +/1/1 C [???]
Control 0xec: +/769/769 C [???]
Control 0xed: +/49/305 C [???]
Control 0xf0: +/49/1 C [???]
Control 0xf1: +/1/18   [???]
Control 0xf2: +/0/1 C [???]
Control 0xf3: +/25600/25700   [???]
Control 0xf4: +/0/514 C [???]
Control 0xf5: +/0/514 C [???]
Control 0xf6: +/0/7 C [???]
Control 0xf7: +/0/7 C [???]
Control 0xfa: +/0/7   [???]
mike@pop-os:~$