This should be done even if the backlight is set to "always off",
i.e. if the LCD is sleeping, a button press should be "eaten"
and just wake up the LCD.

Change-Id: I3946bdbbdc81f23eae3f47423123cefa275e0afc

This allows targets to automatically switch audio settings when the
line out is plugged/unplugged.

Only hooked up on the xDuoo X3, but there are other potential users.

Change-Id: Ic46a329bc955cca2e2ad0335ca16295eab24ad59

Forgot to check a non-freq-scaling target. :)

Change-Id: Ib19b1b6ebdb3e4ad595aca37a687f32156290a65

The function is neither reentrant nor ISR callable. Instead of
using a ticked-based timeout, have the button driver provide the
unboost after a delay when waiting for a button.

HAVE_GUI_BOOST gets immediate boost after dequeuing any message,
otherwise the queue has to have at least three messages waiting
for it to trigger a boost-- essentially the behavior that existed
but now combined in one place.

Change-Id: I1d924702840f56a1a65abe41fa92b4e753c4e75a

Reorganization

- Separated iBasso devices from PLATFORM_ANDROID. These are now standlone
  hosted targets. Most device specific code is in the
  firmware/target/hosted/ibasso directory.
- No dependency on Android SDK, only the Android NDK is needed.
  32 bit Android NDK and Android API Level 16.
- Separate implementation for each device where feasible.

Code cleanup

- Rewrite of existing code, from simple reformat to complete reimplementation.
- New backlight interface, seperating backlight from touchscreen.
- Rewrite of device button handler, removing unneeded code and fixing memory
  leaks.
- New Debug messages interface logging to Android adb logcat (DEBUGF, panicf,
  logf).
- Rewrite of lcd device handler, removing unneeded code and fixing memory leaks.
- Rewrite of audiohw device handler/pcm interface, removing unneeded code and
  fixing memory leaks, enabling 44.1/48kHz pthreaded playback.
- Rewrite of power and powermng, proper shutdown, using batterylog results
  (see http://gerrit.rockbox.org/r/#/c/1047/).
- Rewrite of configure (Android NDK) and device specific config.
- Rewrite of the Android NDK specific Makefile.

Misc

- All plugins/games/demos activated.
- Update tinyalsa to latest from https://github.com/tinyalsa/tinyalsa.

Includes

- http://gerrit.rockbox.org/r/#/c/993/
- http://gerrit.rockbox.org/r/#/c/1010/
- http://gerrit.rockbox.org/r/#/c/1035/

Does not include http://gerrit.rockbox.org/r/#/c/1007/ due to new backlight
interface and new option for hold switch, touchscreen, physical button
interaction.

Rockbox needs the iBasso DX50/DX90 loader for startup, see
http://gerrit.rockbox.org/r/#/c/1099/

The loader expects Rockbox to be installed in /mnt/sdcard/.rockbox/. If
/mnt/sdcard/ is accessed as USB mass storage device, Rockbox will exit
gracefully and the loader will restart Rockbox on USB disconnect.

Tested on iBasso DX50.
Compiled (not tested) for iBasso DX90.
Compiled (not tested) for PLATFORM_ANDROID.

Change-Id: I5f5e22e68f5b4cf29c28e2b40b2c265f2beb7ab7

Defining HAVE_BUTTON_DATA without simultaneously defining HAVE_TOUCHSCREEN
caused compile errors. (I need them separated for a scrollstrip driver.)

Change-Id: I945d3437d840035ccc0c147f8155029b403c6ec2
Reviewed-on: http://gerrit.rockbox.org/771
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
Reviewed-by: Thomas Martitz <kugel@rockbox.org>

Target that have a touchpad/touchscreen should disable it while
being locked (In order to avoid LCD to drain battery power due to
"key locked" constant reporting messages. If they a have a keylock
button this was already handled at driver level. If not (e.g. fuze+),
they will have to implement a switch at driver level that action.c
can operate on softlock.
This patch does the following for any target having a touchpad
or a touchscreen and no HAS_BUTTON_HOLD (ie any softlock target)
1) it implements the code to call button_enable_touch(bool en) in
action.c.
2) button_enable_touch is implemented in button.c and call
either touchpad_enable or touchscreen_enable
3) those two function are implemented respectively in touchscreen.c
and a new touchpad.c file. They provide a generic way to silents touch's
device and call a function at driver level where target specific code
can be implemented if possible/needed (for power saving for instance).
Those function name are touchpad_enable_device and touchscreen_enable_device
4) we implement an empty function at driver level of targets that need it
to have them still being able to compiled.

Change-Id: I9ead78a25bd33466a8533f5b9f259b395cb5ce49
Reviewed-on: http://gerrit.rockbox.org/569
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>

Change-Id: If2d5ed52e5b52c48b50e412dda52632bb08b0c8d

This event is sent before the audio is routed back to the speaker so we
get the information about the unplugged headphone notably earlier.

Decrease the debouncing of the headphone status from 1s to 0.5s to work
around audio still getting played back via the speaker due to the pause
delay by debouncing. On Android we shouldn't need the debouncing at all.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29957 a1c6a512-1295-4272-9138-f99709370657

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29577 a1c6a512-1295-4272-9138-f99709370657