Display; Camera - VIA Technologies VAB-950 Quick Start Manual

VIA VAB-950 Android 10.0 EVK Quick Start Guide
-r--r--r-- 1 root root 4096 2020-04-06 06:34 cpuinfo_transition_latency
-r--r--r-- 1 root root 4096 2020-04-06 06:34 related_cpus
-r--r--r-- 1 root root 4096 2020-04-06 06:34 scaling_available_frequencies
-r--r--r-- 1 root root 4096 2020-04-06 06:34 scaling_available_governors
-r--r--r-- 1 root root 4096 2020-04-06 06:34 scaling_cur_freq
-r--r--r-- 1 root root 4096 2020-04-06 06:34 scaling_driver
-rw-rw---- 1 system system 4096 2010-01-01 00:00 scaling_governor
-rw-rw---- 1 system system 4096 2010-01-01 00:00 scaling_max_freq
-rw-rw-r-- 1 system system 4096 2010-01-01 00:00 scaling_min_freq
-rw-r--r-- 1 root root 4096 2020-04-06 06:34 scaling_setspeed
console:/ #
To check the supported and current CPU frequency, use the following commands:
:~# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
1989000 1924000 1846000 1781000 1716000 1677000 1625000 1586000 1508000 1417000 1326000
1248000 1131000 1014000 910000 793000
:~# cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
793000

3.5 Display

There is no need to to set the display device. If you connect an HDMI display, HDMI output will be
automatically enabled after booting. If you connect an LCD panel, LCD panel output will be automatically
enabled after booting.

3.6 Camera

You must connect the CSI camera before booting the VIA VAB-950 after the image installation.
Click the "Camera" APK on the Android desktop to verify the camera function.
If the CSI camera is connected correctly, but there is no "Camera" APK on the Android desktop, go to "Settings
-> System -> Advanced -> Reset options" and press "Erase all data (factory reset)" to restart the system.
The "Camera" APK will be generated after the system is rebooted.
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