can't increase/decrease brightness

kfix / ddcctl

DDC monitor controls (brightness) for Mac OSX command line

GNU General Public License v3.0

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can't increase/decrease brightness #107

Closed luistrong closed 3 years ago

luistrong commented 3 years ago

ddcctl -d 1 -b 10+

D: action: b: 10+ D: querying VCP control: #16 =? E: No data after 10 tries! (1ns reply-timeout) E: DDC send command failed! E: VCP control #16 (0x10) = current: 0, max: 0 D: relative setting: 0 + 10 = 0 (clamped to 0, 0) D: setting VCP control #16 => 0

it seem it can't find the current brightness of the display

Bubba14 commented 3 years ago

I have the same issue

Screen Shot 2021-06-26 at 10 42 21 AM

kfix commented 3 years ago

Unable to debug, insufficient info