1/6/2023 0 Comments Raspberry pi sleep mode![]() ![]() On my test HDMI display, the screen blanks then the unit enters a power down state.Īs with all HDMI displays, it takes several seconds to come out of this state and display an image so it's not a perfect solution but it is better than nothing. # allow HDMI isplay to enter low powr mode Without it, the display goes blank but the display does not power down so there's a faint glow from the screen. You also need this line in /u-boot/ config.txt in order for the display to enter a power-down state. So you can't blank two displays if they are both hooked up. You can blank that display with: echo /sys/class/backlight/rpi_backlight/bl_power > /etc/venus/blank_display_device With this line in place, that display will blank but not come out of screen saver! Note that this conflicts with the blanking of the "official Raspberry PI 7" touchscreen" blanking. ![]() ![]() Update: I found a way to activate the Venus screen saver for an HDMI display plugged into the first HDMI portĮxecute the following command: echo /sys/class/graphics/fb0/blank > /etc/venus/blank_display_device ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |