[kernel] GB/IHO jawz101-20120907(now with USB fastcharge mod)

**jawz101** · 08-08-2012, 11:22 PM

I've been working on this for about a month & I've maintained a thread over in XDA for the time being but since things get too geeky over there I guess more users tend to stay in Android Central.
I will say that I'll only be paying attention to the XDA thread more than anything over here but I do want to throw my work out here.
I've been working on a kernel based on , pulling in a bunch of commits from all over, specifically tried & true work from kernel dev's for the p500. So, thanks to the following for their work. People I've cherry picked from:
(!!!)
(official but modified- cyanogenmod kernel for the p500)
... and probably a couple other repos I found but it's been a while. Regardless, they were pulling stuff from other people into their kernels (Imoseyon, Lord ClockaN, Code Aurora, and others)

... and, of course , tvall and anyone else who I've admired for their contributions.

Anyways, the kernel is a work in progress until I run out of ideas. Changelog is the so I don't wanna have to type it all up. Stuff backported from 3.x kernels and anything else I can find that I've seen more than one person use more than once, looks easy to implement, and doesn't make my head explode.

Always backup, wipe cache & dalvik cache. you'll need to disable signature verification to install as I'm not signing the apk's right now.

If you experience bugs you can do an advanced restore from your backup & just restore the boot.img since that's where the kernel resides.

Since I'm over on more than here that'd be the place where I'll be.

If you decide to try compiling the kernel for yourself the only differences you'd experience from other kernels is I use the latest Linaro toolchain & I enable for compiling to significantly improve compile times. Google's developer website & Cyanogenmod's wiki both have little walkthroughs on setting it up and it's maybe 2 changes you do on your dev box.

I won't do ICS or Jellybean work as I'd rather get a new phone since I have to underclock mine to even run the ICS ROMs. Plus, gingerbread still just feels right.
Also, since I keep up with any changes mrg666 does on his kernel if any of his commits conflict with ones I've done his will take precedence in my mind since I trust him more than I trust myself (the ccache, disabling optimize for size & build flags I use are hard pressed for me to change just because that's about the only changes that deviate from the norm).

Thank ya
20120907 - I will warn that this build is experimental. I mean, it works but I've not tested it a bunch.

added ported over to our phone
allows the phone to draw as much power via USB as you would via a wall charger so you can charge your phone faster when you charge it off a laptop and such.
downside is USB mass storage won't work when fast charging is toggled on.

To toggle on and off, via terminal execute these commands:
Fast charge can be toggled by issuing: echo 1 > /sys/kernel/fast_charge/force_fast_charge and off: echo 0 > /sys/kernel/fast_charge/force_fast_charge

can monitor the effect (I attached some screenshots from my phone before & after toggle).

I'll follow up with a little app to toggle the fast charging I can make through Tasker's app creator. Otherwise you can always donate to chad0989's effort by purchasing
I'd test it first via the terminal before throwing money around, though.

**ThatGuyLurkin** · 08-09-2012, 12:11 AM

You finally bring the heat to here.

Nice job

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**kirurus** · 08-09-2012, 12:18 AM

Mmm kernel. Flashing now.

**kirurus** · 08-09-2012, 12:35 AM

I'm so glad I flashed back to CM7 today from CM9 because this was a wonderful treat. Thank you so much for this! I'll let you know if anything turns sour.

**ThatGuyLurkin** · 08-09-2012, 08:25 AM

Been using it since posted. It's really smooth

No letback.

Sent from my LG-VM670 using Tapatalk 2

**jawz101** · 08-09-2012, 09:31 AM

bichin'. thanks for the feedback! ...ignore the typo. wouldn't let me use the word I wanted to use

**HurrrDurrrDURP** · 08-09-2012, 11:34 PM

All I can say is a very interesting kernel. Just started using it and it seems to be pretty speedy.

Its 10 points faster then mrg666's, but this was after the 2nd reboot with it installed.

Either way, you have my thanks

**jawz101** · 08-09-2012, 11:41 PM

Well there's certainly enough things out there we could be doing. I don't put much clout on benchmarks. If you run one again it'll go up and down depending on how the wind is blowing. If you touch your screen a lot while the rest is running it'll cripple cpu score simply because it's thinking about that along with the test. Just sayin I couldn't say that I did any changes that made noticeable improvements, but improvements nonetheless.

I was trying to update the adreno drivers earlier and enable something called dm-cache which improves ssd performance but didn't have success. Those would've made for bragging rights. If anyone is a programmer out there both are in that candied kernel mentioned earlier.

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**HurrrDurrrDURP** · 08-09-2012, 11:55 PM

Originally Posted by jawz101

Well there's certainly enough things out there we could be doing. I don't put much clout on benchmarks. If you run one again it'll go up and down depending on how the wind is blowing. If you touch your screen a lot while the rest is running it'll cripple cpu score simply because it's thinking about that along with the test. Just sayin I couldn't say that I did any changes that made noticeable improvements, but improvements nonetheless.

I was trying to update the adreno drivers earlier and enable something called dm-cache which improves ssd performance but didn't have success. Those would've made for bragging rights. If anyone is a programmer out there both are in that candied kernel mentioned earlier.

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It wouldn't have to much effect if its for high level FS, this phone uses a low level FS(Already has SSD optimizations). It might improve the cache if it is on an SD-EXT as that uses a high level FS.

**nitestalkr** · 08-10-2012, 12:15 AM

I'm soo tempted to use this with Zackman's CM10 JellyBean port!(even though its built strictly for GB)

**jawz101** · 08-10-2012, 01:04 PM

another thing I was trying to implement is USB fast charging. a guy on XDA forums (chad0989 I believe) made a kernel patch for several other phones that allows USB power to draw as much as it can when connected to USB. Reporting as perfectly safe for the phone & battery. Only drawback - which I don't consider a drawback- is USB mass storage doesn't work while you have it fast charging. Considering some of my car charges draw at USB current and I also like to charge from my laptop at work I'd love to get it working. Whenever I try to apply the patch to the kernel it fails to compile, though.

I'm pretty sure the Quattrimus aokp ROM has it for ICS though I don't know if it works on it. Never really played with the ICS-ROMs because my phone didn't like them.

**A-android-B** · 08-13-2012, 04:23 PM

I'm on mrg666's latest build and flashing this now!

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**bigsupersquid** · 08-13-2012, 05:32 PM

Originally Posted by jawz101

another thing I was trying to implement is USB fast charging. a guy on XDA forums (chad0989 I believe) made a kernel patch for several other phones that allows USB power to draw as much as it can when connected to USB. Reporting as perfectly safe for the phone & battery. Only drawback - which I don't consider a drawback- is USB mass storage doesn't work while you have it fast charging. Considering some of my car charges draw at USB current and I also like to charge from my laptop at work I'd love to get it working. Whenever I try to apply the patch to the kernel it fails to compile, though.

I'm pretty sure the Quattrimus aokp ROM has it for ICS though I don't know if it works on it. Never really played with the ICS-ROMs because my phone didn't like them.

Can you link to the thread with the patch?

**jawz101** · 08-14-2012, 01:46 AM

Sure. It'll be tomorrow.. or today I guess, but after I wake up.

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**jawz101** · 08-14-2012, 10:45 AM

I'm going to post another thread on the USB fast charging so we get more exposure people can chime in on the topic. It'd be slick to get in some kernels!

**jawz101** · 08-16-2012, 09:12 AM

Blah blah...duplicate post.see below

**jawz101** · 08-16-2012, 09:16 AM

I just wanted to add something. If anyone wants to take anything from my kernel please do. There's nothing in it that's something I own. If you take it all as a whole it'd be nice to see my name somewhere just so peeps can keep track of the progression of our collected efforts. If you're a github user I highly suggest following some of the other guys on here and that candied kernel mentioned in the op since it's getting new stuff from official cm7 kernel for our cm-supported twin phone model and then some. I wish I knew how to get it compatible directly because then I'd probably not need to do much of anything. A call to other kernel peeps. Let's go that direction

.

If you're on the fence on Rom versus kernel concepts the kernel is where battery and performance optimizations come from. Roms include a kernel but the rest of a Rom is mainly gui and what makes Android look like Android.you can install a Rom and slap a new kernel on whenever you want if it's the same Android version (froyo, GBP,ics,etc) and if it's compatible with your phone model (optimus v and sometimes the p500).

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**jawz101** · 09-02-2012, 05:49 PM

uploaded a new version. I've been devoting a lot of hours trying to port the candied kernel over which is the direction I've wanted to go. I may be overthinking it and kinda lost more than anything but I wanted to throw my last efforts out there on the jawz101 kernel

**jawz101** · 09-02-2012, 11:30 PM

btw, I also compiled the hydrokernel to see how it works on our phones as a side experiment and it was pretty choppy in games I tried out so I didn't really dig too far.

**thewraith420** · 09-02-2012, 11:53 PM

Originally Posted by jawz101

btw, I also compiled the hydrokernel to see how it works on our phones as a side experiment and it was pretty choppy in games I tried out so I didn't really dig too far.

That must be do to cm7. In stock gb and ics hydro/ginger kernel are very fast.

Tapatalk'n it from my VM670 running LS670ZVJ Baseband on Mandylion IHO ROM

**thewraith420** · 09-02-2012, 11:56 PM

lI'd love to try out what you have in Kool-blue if you've made enough changes to separate it from the original hydro-kernel

Tapatalk'n it from my VM670 running LS670ZVJ Baseband on Mandylion IHO ROM[/QUOTE]

**Badboytoast** · 09-14-2012, 02:26 PM

Originally Posted by jawz101

btw, I also compiled the hydrokernel to see how it works on our phones as a side experiment and it was pretty choppy in games I tried out so I didn't really dig too far.

How did it turn out/ I LL test for you

sent from my VM-670 on CyanMobile

**bjzapp** · 09-17-2012, 04:21 PM

Experiencing wifi error message
In wireless network settings- will not conncet connected to wifi--err.. suggestions ? anyone else sayhisor issue ?

**clodfelterac** · 09-17-2012, 04:32 PM

i had that issue with mrgs last few kernels and both of jawz kernels... please note, that in my experience, wifi was operational on zv9, but borked on zv5... i thought i had mentioned this somewhere but perhaps it slipped my mind... :-)

**bjzapp** · 09-17-2012, 06:28 PM

Hmmm -- no issue whatsoever with mrGslatest ROM/KERNAL. Only just now started with jawz's mennal

---------- Post Merged at 07:28 PM ---------- Previous Post was at 07:23 PM ----------

Just flash this yesterday and hope this issue is fixed.no significant time has passed yet to Notice any speed improvements staying at the same clock speed