Adaptations/libhybris/Install SailfishOS for gemini

Gemini
Vendor:	Xiaomi
Product name:	Mi 5
Sailfish OS version:	2.1.0.10
Last update:	26.05.2017
Sources:

Hardware Support

Legend:  Y  - Working (y=hack),  Y  - HAL works, not hooked up to UI/MW/init yet,  N  - Not working,  ?  - Untested,  N/A  - N/A on device.

Device released	Linux Kernel	Display	Touch	LED	Audio	NFC	Bluetooth	GSM			WLAN		GPS	Camera	Fingerprint	Sensors					Keys		Vibra	Haptics	Power Mgmt.	RTC alarms	USB		FM Radio
								SMS	Voice	Data	Connect	Hotspot				ALS	PS	Accel.	Gyro.	Magne.	Vol+/-	Home					Net.	Charge
	3.18.31	Y	Y	Y	Y	?	N	Y	Y	Y	Y	Y	Y	Y	?	Y	N	Y	Y	Y	Y	Y	Y	Y	Y	?	Y	Y	N/A

Status

• 16th Jul 2017: audio/video playback works, camera partially works, preview and capture work, video record not.
• 26th May 2017: tried krnlyng's hwc workround, now lipstick working happily :), many thanks to krnlyng!
• 16th February 2017: wifi works.
• 14th February 2017: Unstable, not ready for use :)

Steps to install

!!!! BACKUP YOUR FILES FIRST!!!!

• unlock bootloader, please follow http://www.miui.com/unlock

• flash twrp recovery & format data partition (press and hold Volume down and Power key, boot to bootloader)

 fastboot flash recovery twrp-3.0.2-3-gemini.img

• flash cm13.0 zip with twrp (press and hold Volume up and Power key, boot to recovery)

 cm-13.0-20161220-SNAPSHOT-ZNH5YAO3XM-gemini.zip

• flash sailfishos zip with twrp

 sailfishos-gemini-release-2.1.0.11-alpha5.zip

• reboot!

Build image by yourself

• Refer to https://sailfishos.org/hadk and download the porting guide PDF
• Replace "Creating Repositories for a New Device" section with this local manifest https://raw.githubusercontent.com/zhxt/local_manifests/hybris-13.0/gemini.xml

Known Issues

1. lipstic crash sometimes.[fixed with krnlyng's hybris patch].

dmesg:

[ +19.213579] __create_fence: fb0_release: get_unused_fd_flags failed error:0xffffffe8
[  +0.000018] __handle_buffer_fences: unable to retrieve release fence
[  +0.044521] binder: send failed reply for transaction 6048, target dead

2. The working version of libdsyscalls.so is borrowed from ghosalmartin. :)

[fixed by: <krnlyng> zhxt, revert the thread_local stuff, and add LOCAL_CLANG := false to libdsyscalls.so in Android.mk ]