Reference devices
Warrior (alias NPM706),JZ4780 7” PAD, resolution 1024x600;
Grus, JZ4780 developmentboard, resolution 800x480;
Mensa, JZ4775 developmentboard, resolution 800x480;
Most recently tags
Tag for Warrior: ingenic-android4.1.2-kernel3.0.8-warrior-v1.4.0-20130910
Tag for Grus: ingenic-android4.1.2-kernel3.0.8-grus-v1.2-20130912
Tag for Mensa: ingenic-android4.1.2-kernel3.0.8-mensa-v1.2-20130912
Change log
The main changes of this versionwere collected in "Android-JB(4.1.2)-Changelog-20130607-20130916.txt".
User notice
After kernel updating theseversions, you need to update USB burning tool at least 1.4.0 or re-create theSD card burning tool firmware with new kernel source. The first burn after updatedmust be completely erased. Otherwise it will cause system start fail. The issueis due to NAND module improvement. Have no essential unrelated to burn tool. SD/ MM burn is unaffected.
Fix bugs
1. Solvethe double-precision floating-point unaligned issue;
2. Enhance the stability of NANDmemory power-down.
3. Fastboot function is moreperfect;
4. New PMU improvements;
5. A series of crash issue causeby display;
6. Solves the issue of USBAccessory.
Enhancements
1. Add SPDIF in audio ;
2. Add and improve SPI busdriver;
3. Add the support of 1366x768solutions;
4. Add the support of LPDDR2.
Improve the experience
1. Improve the function ofbattery and power supply;
2. Fixes a range of display bias issue.
Known issues
1. NandManager copydate may causerare error, which returns value is -6. The impact to system is still not clear;
2. SDK emulator is notavailable;
3. JZ4775 browser's onlinevideo function cannot be achieved because there is no GPU.
More detailed changes pleaserefer to "Android-JB(4.1.2)-Changelog-20130607-20130916.txt"carefully.
Get sources
Download repo
$ mkdir
$ cd
$ wget http://git.ingenic.cn:8082/bj/repo
$ chmod +x repo
Download source
$ ./repo init -u http://git.ingenic.cn/android/platform/manifest -b branchname -m outside.xml
$ ./repo sync
$ ./repo forall -c "git reset --hard ingenic-android4.1.2-kernel3.0.8-xxxxxx"
The “branchname” is “dev-ing-jb-local-4780” or “dev-ing-jb-local-4775”. Tag referto the “Most recently tags” at the beginning of this page.
Support and Feedback:
Feel free to contact support@ingenic.cn