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Tony_ >
naobsd, do you know what's the diff between rk3188 which from diff number.
05:14
<
Tony_ >
okay, What I mean is there are diff number in the rk3188 IC.
05:15
<
naobsd >
difference? between RK3188 and ...what?
05:15
<
Tony_ >
Rockchip RK3188 SCAU34JR 1438.
05:16
<
Tony_ >
The numbers on the RK3188 IC.
05:16
<
naobsd >
where it comes from? print on chip surface?
05:16
<
Tony_ >
see it by eyes.
05:24
<
naobsd >
sorry, no idea. I guess it may be manufacturing lot number
05:24
<
naobsd >
please ask rockchip ;)
05:28
<
Tony_ >
naobsd, the reason I ask this is that the same board but diff RK3188, the usb controller is diff to handle usb hub.
05:29
<
Tony_ >
naobsd, likes picture's rk3188, its usb controller connect to a usb hub, then the usb mouse/keyboard will work worse.
05:30
<
Tony_ >
naobsd, from the "getevent", I can find miss some signal during hub to rk3188.
05:30
<
Tony_ >
naobsd, do you meat this case ?
05:30
<
Tony_ >
naobsd, I will ask them, after they wake up. ;)
05:34
<
naobsd >
physically different chip may have different number
05:35
<
naobsd >
but I don't think it's only unique difference between working one and non-working one
05:35
<
naobsd >
I guess different RK3188s are on different boards, isn't it?
05:36
<
Tony_ >
naobsd, yes, different board.
05:36
<
naobsd >
then it may be board issue
05:36
<
Tony_ >
naobsd, next steps, we want to exchange it.
05:37
<
naobsd >
as far as I know there is no different RK3188 which has different USB controller
05:39
<
Tony_ >
naobsd, We even tried use a extern usb hub connect to OTG USB port, the special number RK3188 can't works fine too.
05:39
<
naobsd >
is 5V stable?
05:41
<
naobsd >
I will not say RK3188 is "different"... it may have "problem" around USB function
05:41
<
Tony_ >
naobsd, so we think that we has ruled out board issue.
05:43
<
naobsd >
all I can say is, board may have issue, or that RK3188 chip may have issue
05:43
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naobsd >
I cannot say that RK3188 is "different"
05:44
<
naobsd >
of course "working" and "non-working" are clearly different
05:45
<
naobsd >
but I don't use the word "different" for it
05:45
<
Tony_ >
naobsd, okay, I will try to ask the RK, then if I get some information usefor I will share you too. ;)
05:45
<
naobsd >
now I'm not speaking about cause of your issue
05:46
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naobsd >
I think printed text on the chip surface will not be cause of your issue too.
05:47
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naobsd >
why I said "ask rockchip" is because you asked about meaning of that text, not about your issue
05:48
<
Tony_ >
naobsd, for "is 5V stable?", it's stable.
05:48
<
Tony_ >
naobsd, without hub, everything is okay.
05:51
<
Tony_ >
naobsd, we even has ruled out all other issue, such as replace a new hub IC.
05:56
<
naobsd >
anyway I think only Rockchip can answer "is this special?" question...
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rperier >
ah ah, April joke by the linux foundation is excellent , did you see the new tux logo ? :D
06:36
<
rperier >
it would be fun if it was serious :p
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<
Tony_ >
rperier, cool.
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22:26
<
amstan >
mmind00: woo, i got brain working nicely now with no weird hacks
22:27
<
amstan >
i will be upstreaming shortly
22:27
<
amstan >
djkurtz helped
22:27
<
amstan >
any more things i should include in that? who to CC to?
22:29
<
mmind00 >
amstan: nope, not for mainline yet ... i.e. the powerdomains haven't made it upstream yet ... but normally they should all be on after boot?
22:29
<
amstan >
mmind00: that's what was the biggest blocker for me on brain
22:30
<
amstan >
without that it reads 0xff in random places, it thinks hdmi is plugged in from that(even when it's not), and continues doing weird stuff like spinning up the pll
22:31
<
mmind00 >
amstan: very strange ... but I guess the powerdomain driver you have in the chromeos tree does disable unused powerdomains on boot (so the hdmi-pd is probably off with a chromeos-kernel)
22:32
<
amstan >
not sure, djkurtz might know more details if i don't explain it correctly
22:32
<
mmind00 >
amstan: I'll ask him, but anyway we don't have powerdomain control in mainline at all at the moment
22:37
<
amstan >
mmind00: so is there a point in me sending it by email then?
22:37
<
amstan >
should i just merge it as CHROMIUM: ?
22:38
<
mmind00 >
amstan: nope ... it should stay Chromium-local for the time being
22:38
<
amstan >
mmind00: that makes it easy for me then, nice
22:41
<
mmind00 >
amstan: hehe, glad you're not disappointed ... but judging by where the main powerdomain discussion stopped, I'd guess it will still be a while till that makes it into mainline
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