TBS A711 Tablet
Features overview:
- A83T SoC
- 8-core Cortex-A7 at 2GHz
- 1GiB RAM
- 7" IPS display
- WiFi/Bluetooth
- WCDMA modem (3G) – incl. audio calls
- USB OTG
- GPS
- NFC
- accelerometer
- fingerprint reader
- 2× camera
- vibrator
- speaker, headphones/mic input
My work on TBS A711
My work is logged here: https://xnux.eu/tablet-hacking/
Feature/driver support matrix
| Feature | Status | Notes |
|---|---|---|
| User interface input | ||
| Volume buttons | works | |
| Accelerometer | works | as IIO device |
| Front Camera – GC2045 | wip | |
| Back Camera – HM5065 | works / OOT | but overheats |
| Fingerprint | untested | missing/binary only userspace driver, fprintd-enroll does not register finger |
| User interface output | ||
| Audio | works / OOT | fully working driver |
| Power LED | works / OOT | via a LED class driver |
| Vibration motor | works | (as EV_FF input device) |
| Wireless connectivity | ||
| WiFi | works | |
| GSM Modem | works | except for i2s audio |
| GSM Modem Data | works | pppd works |
| Bluetooth | works | except for i2s audio |
| GPS | works | /dev/gnss0 |
| NFC | works | with neard |
| Wired connectivity | ||
| USB-OTG Host | works / OOT | |
| USB-OTG Device | works / OOT | |
| Power/thermal management | ||
| CPU hotplug | works | |
| System suspend | wip | suspend works, except that crust doesn't do any deep sleep tasks |
| Thermal regulation | works | |
| Battery/USB power | works | needs good power supply (2A+, tablet takes 700mA + another 1A for charging) |
| Storage | ||
| Other (internal SoC features, etc.) | ||
| CSI Camera Interface | works | OOT multi-camera support ready/tested |
| DE2 Rotation Engine | works / OOT | Works with a demo app (for camera frames rotation for preview) |
| Video Decoding/Encoding H.264 | untested | |