Disable HDMI Pine64 - Printable Version +- PINE64 (https://forum.pine64.org) +-- Forum: PINE A64(+) (https://forum.pine64.org/forumdisplay.php?fid=4) +--- Forum: Linux on Pine A64(+) (https://forum.pine64.org/forumdisplay.php?fid=6) +---- Forum: Ubuntu (https://forum.pine64.org/forumdisplay.php?fid=27) +---- Thread: Disable HDMI Pine64 (/showthread.php?tid=7102) |
Disable HDMI Pine64 - Andruxa89 - 01-28-2019 Hello everyone! How can i completely disable (periodically, by cron) HDMI port on Pine A64? Whats command? It's needed for completely disabled monitor (picture and backlight). kernel - 3.10.105-bsp-1.2-ayufan-77 - "DISPLAY=:0 xset dpms force off" blanking picture only, but not turning off backlight - sunxi tools changes screen resolution only, but not power manage. - "echo 0 > /sys/class/backlight/lcd0/bl_power" doesn't work Pls help, Thnx) RE: Disable HDMI Pine64 - martinayotte - 01-31-2019 (01-28-2019, 04:29 AM)Andruxa89 Wrote: but not turning off backlight According to Pinebook schematic, the LCD power is controlled by GPIO PH6, so you can turn it off using : Code: echo 230 > /sys/class/gpio/export and you can turn it on again with : Code: echo 1 > /sys/class/gpio/gpio230/value EDIT : Ouupps !!! I didn't read the title properly, you were talking about HDMI on Pine64, while my reply is about Pinebook LCD ... Sorry ! |