From: Mikko V. <t8m...@ca...> - 2022-07-22 11:37:45
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Turns out the suggested command works just fine over DVI (but not VGA), here we go (with some added sudo though): $ LANG= LC_ALL= sudo ddccontrol -p -c -d ddccontrol version 0.4.4 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. Probing for available monitors........................I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/ACR0050.xml" Document not parsed successfully. .... Detected monitors : - Device: dev:/dev/i2c-3 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-3... I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/ACR0050.xml" Document not parsed successfully. EDID readings: Plug and Play ID: ACR0050 [VESA standard monitor] Input type: Digital =============================== 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: Raw output: (prot(monitor)type(LCD)model(ACER)cmds(01 02 03 07 0C E3 F3)vcp(02 04 05 08 0B 10 12 14(05 08 0B) 16 18 1A 52 60(01 03) 6C 6E 70 AC AE B2 B6 C6 C8 C9 CC(01 02 03 04 05 06 09 0A 0D 14 16) D6(01 05) DF)mswhql(1)asset_eep(40)mccs_ver(2.0)) Parsed output: VCP: 02 04 05 08 0b 10 12 14 16 18 1a 52 60 6c 6e 70 ac ae b2 b6 c6 c8 c9 cc d6 df Type: Unknown Controls (valid/current/max) [Description - Value name]: Control 0x02: +/256/512 C [Secondary Degauss] 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: +/500/1000 C [???] Control 0x0c: +/13/13 [???] Control 0x0e: +/50/100 [???] Invalid response, first byte is 0xbe, should be 0x6e be 80 be 6e 80 be 6e 80 be 6e 80 | ...n..n..n. Control 0x10: +/5/100 C [Brightness] Control 0x12: +/50/100 C [Contrast] Control 0x14: +/8/11 C [???] Control 0x16: +/91/100 C [Red maximum level] Control 0x18: +/89/100 C [Green maximum level] Control 0x1a: +/98/100 C [Blue maximum level] Control 0x1e: +/0/255 [???] Control 0x1f: +/0/255 [???] Control 0x20: +/0/100 [???] Control 0x30: +/50/100 [???] Control 0x3e: +/0/100 [???] Control 0x52: +/20/65535 C [???] Control 0x60: +/3/3 C [Input Source Select (Main) - Digital] Control 0x6c: +/50/100 C [Red minimum level] Control 0x6e: +/50/100 C [Green minimum level] Control 0x70: +/50/100 C [Blue minimum level] Invalid response, first byte is 0xbe, should be 0x6e be 80 be 6e 80 be 6e 80 be 6e 6e | ...n..n..nn Control 0xac: +/64900/0 C [???] Control 0xae: +/6000/65535 C [???] Control 0xb2: +/1/2 C [???] Control 0xb6: +/3/5 C [???] Control 0xc0: +/0/65535 [???] Control 0xc6: +/120/65535 C [???] Control 0xc8: +/17673/37 C [???] Control 0xc9: +/768/65535 C [???] Control 0xcc: +/2/22 C [???] Control 0xd6: +/1/4 C [DPMS Control - On] Control 0xdf: +/512/65535 C [???] |