intelli_plug: intelligent hotplug cpu driver with eco mode

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Kconfig
	arch/arm/mach-msm/Makefile
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: tweak for faster wakeup from suspend

bump version to 1.1

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: increase cores on persistence

also replace hardcoded values with Macros for ease of updating later

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: make it gcc-4.6.x eabi compatible :p

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: use rq_stats to help detect artificial or constant loads

benchmarks often create fake / artificial loads at a constant rate.  These
type of loads are not detected corectly by run average algorithms. Use
the run queue stats to help detect these cases and bring up the cores in
correspondence.

bump version to 1.2

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: use mp_decision() algorithm for core 3 and 4

This replaces the simplistic check for run queue thresholds with a more
sophisticate algorithm with time awareness

bump version to 1.3

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: tweak mp_decsion parameters and remove unused logic

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: bump threshold slightly for better response

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
wip: intelli_plug: change logic for better benchmark performance

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: use mp_decision to reduce online persistence count for cores

this should bring down the cores faster when run queue is low
also optimized code a bit using local vars

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: disable by default

let the user enable via sysfs so it won't clash with mpdecision which is
enabled by default for qualcomm phones

Signed-off-by: faux123 <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: slow down hotplug activity from 50ms to 200ms

this will reduce the hotplug chaos which may in turn save more power

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/intelli_plug.c
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: code clean up and minor bug fixes

bump to version 1.6

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelliplug: replaced deprecated early_suspend driver with userspace interface

early_suspend has been deprecated, so move original functionality to sysfs
interfae and have userspace app to replicate the early_suspend functionality

bump version to 1.7

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: add dynamic load sampling rate logic

Add dynamic sampling logic based on load. If load is high and required more
than 2 cores, increase the sampling rate for a duration of 3 seconds to help
manage the load better during this time.  Once duration expires, revert back
to lazier sampling rate for better batter performance.

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: add new power_suspend PM driver

bump version to 1.9

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: add touch input logic

changed intelli_plug sampling rates and bump to version 2.0

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: use a context safe function call instead

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
intelli_plug: performance tune-up continued...

Signed-off-by: Paul Reioux <reioux@gmail.com>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>
Input: Send events one packet at a time

On heavy event loads, such as a multitouch driver, the irqsoff latency
can be as high as 250 us.  By accumulating a frame worth of data
before passing it on, the latency can be dramatically reduced.  As a
side effect, the special EV_SYN handling can be removed, since the
frame is now atomic.

This patch adds the events() handler callback and uses it if it
exists. The latency is improved by 50 us even without the callback.

Change-Id: Iebd9b1868ae6300a922a45b6d104e7c2b38e4cf5
Cc: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Tested-by: Ping Cheng <pingc@wacom.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

Input: Improve the events-per-packet estimate

The events-per-packet estimate has so far been used by MT devices
only. This patch adjusts the packet buffer size to also accomodate the
KEY and MSC events.  Keyboards normally send one or two keys at a
time. MT devices normally send a number of button keys along with the
MT information.  The buffer size chosen here covers those cases, and
matches the default buffer size in evdev. Since the input estimate is
now preferred, remove the special input-mt estimate.

Reviewed-and-tested-by: Ping Cheng <pingc@wacom.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@enac.fr>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: klozz <xxx.reptar.rawrr.xxx@gmail.com>