linux內部sensor相關指令

thermal sensor數值

cat /sys/class/thermal/thermal_zone0/temp

wm8962

input: WM8962 Beep Generator as /devices/platform/imx-i2c.0/i2c-0/0-001a/input/input

<Disable all displays>
echo 1 > /sys/class/graphics/fb0/blank
echo 1 > /sys/class/graphics/fb1/blank
echo 1 > /sys/class/graphics/fb2/blank
echo 1 > /sys/class/graphics/fb3/blank
echo 1 > /sys/class/graphics/fb4/blank


<Enable LVDS display>
After disable all displays,
echo 0 > /sys/class/graphics/fb0/blank

<Enable HDMI display>
After disable all displays,
echo 0 > /sys/class/graphics/fb2/blank