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by anonymousiam
1643 days ago
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Thanks for posting this! I did not know that I had control of my monitor features this way. My LG 27UK850-W reports the following capabilities when queried.
(First I ran "ddcutil detect" to see what it said.) Invalid display I2C bus: /dev/i2c-15
EDID synopsis:
Mfg id: LGD
Model:
Serial number:
Manufacture year: 2013
EDID version: 1.4
DDC communication failed
This is an eDP laptop display. Laptop displays do not support DDC/CI.
Display 1 I2C bus: /dev/i2c-17
EDID synopsis:
Mfg id: GSM
Model: LG HDR 4K
Serial number:
Manufacture year: 2018
EDID version: 1.3
VCP version: 2.1
So knowing that my LG monitor is display device #1, I then ran "ddcutil -d 1 capabilities"MCCS version: 2.1 VCP Features: Feature: 02 (New control value)
Feature: 04 (Restore factory defaults)
Feature: 05 (Restore factory brightness/contrast defaults)
Feature: 08 (Restore color defaults)
Feature: 10 (Brightness)
Feature: 12 (Contrast)
Feature: 14 (Select color preset)
Values:
05: 6500 K
08: 9300 K
0b: User 1
Feature: 16 (Video gain: Red)
Feature: 18 (Video gain: Green)
Feature: 1A (Video gain: Blue)
Feature: 52 (Active control)
Feature: 60 (Input Source)
Values:
0f: DisplayPort-1
10: DisplayPort-2
11: HDMI-1
12: HDMI-2
Feature: AC (Horizontal frequency)
Feature: AE (Vertical frequency)
Feature: B2 (Flat panel sub-pixel layout)
Feature: B6 (Display technology type)
Feature: C0 (Display usage time)
Feature: C6 (Application enable key)
Feature: C8 (Display controller type)
Feature: C9 (Display firmware level)
Feature: D6 (Power mode)
Values:
01: DPM: On, DPMS: Off
04: DPM: Off, DPMS: Off
Feature: DF (VCP Version)
Feature: 62 (Audio speaker volume)
Feature: 8D (Audio Mute)
Feature: F4 (manufacturer specific feature)
Feature: F5 (manufacturer specific feature)
Values: 00 01 02 (interpretation unavailable)
Feature: F6 (manufacturer specific feature)
Values: 00 01 02 (interpretation unavailable)
Feature: 4D (unrecognized feature)
Feature: 4E (unrecognized feature)
Feature: 4F (unrecognized feature)
Feature: 15 (unrecognized feature)
Values: 01 06 09 10 11 13 14 28 29 32 44 48 (interpretation unavailable)
Feature: F7 (manufacturer specific feature)
Values: 00 01 02 03 (interpretation unavailable)
Feature: F8 (manufacturer specific feature)
Values: 00 01 (interpretation unavailable)
Feature: F9 (manufacturer specific feature)
Feature: E4 (manufacturer specific feature)
Feature: E5 (manufacturer specific feature)
Feature: E6 (manufacturer specific feature)
Feature: E7 (manufacturer specific feature)
Feature: E8 (manufacturer specific feature)
Feature: E9 (manufacturer specific feature)
Feature: EA (manufacturer specific feature)
Feature: EB (manufacturer specific feature)
Feature: EF (manufacturer specific feature)
Feature: FD (manufacturer specific feature)
Values: 00 01 (interpretation unavailable)
Feature: FE (manufacturer specific feature)
Values: 00 01 02 (interpretation unavailable)
Feature: FF (manufacturer specific feature)quirred
So I pretty much have control of all monitor features! |
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