| Commit message (Collapse) | Author | Age | Files | Lines |
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The 'cycles' register will be clobbered by our macro, so it must be
specified as an output operand that may also be used as input.
BUG=chrome-os-partner:60000
BRANCH=gru,strago,glados
TEST=Build + burn wheatley, verify alignment exception is not
encountered on boot. Also verify produced assembly is still correct:
100a89a6: 2303 movs r3, #3
100a89a8: 3b01 subs r3, #1
100a89aa: d1fd bne.n 100a89a8
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I1be03a006967aed6970dbac5d98a19a31e0b7d49
Reviewed-on: https://chromium-review.googlesource.com/412441
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Mulin Chao <mlchao@nuvoton.com>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Mulin Chao <mlchao@nuvoton.com>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
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Since pretty much always, we've declared console commands to take
a "longhelp" argument with detailed explanations of what the
command does. But since almost as long, we've never actually used
that argument for anything - we just silently throw it away in
the macro. There's only one command (usbchargemode) that even
thinks it defines that argument.
We're never going to use this, let's just get rid of it.
BUG=none
BRANCH=none
CQ-DEPEND=CL:*279060
CQ-DEPEND=CL:*279158
CQ-DEPEND=CL:*279037
TEST=make buildall; tested on Cr50 hardware
Everything builds. Since we never used this arg anyway, there had
better not be any difference in the result.
Change-Id: Id3f71a53d02e3dc625cfcc12aa71ecb50e35eb9f
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/374163
Reviewed-by: Myles Watson <mylesgw@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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The recent change to decrease the time to wake up from deep sleep when
not using LFIOSC was too agressive. Increase the time to wake up based
upon the worst observed case.
BUG=chrome-os-partner:35184
TEST=Manual on Samus. Go to deep sleep, verify that no "overslept by
Xus" prints are seen.
BRANCH=Samus
Change-Id: Ib9fe2eba5e29a112e03fffaedbc5ae53d6d650ff
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/239242
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Alec Berg <alecaberg@chromium.org>
Tested-by: Alec Berg <alecaberg@chromium.org>
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Decrease the time to wake up from deep sleep when not using
LFIOSC (when using PIOSC in deep sleep). This helps keep us
in deep sleep longer and therefore save power.
BUG=none
BRANCH=samus
TEST=Load onto samus and run for a couple of hours, varying from
S0 to S5, with and without EC. Use idlestats to check that closest
we get to missing deadline is 86us away.
Change-Id: I3eee908e9f42a1c5b549e93d63588a3cb6e29a5d
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/238412
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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Our code base contains a lot of debug messages in this pattern:
CPRINTF("[%T xxx]\n") or ccprintf("[%T xxx]\n")
The strings are taking up spaces in the EC binaries, so let's refactor
this by adding cprints() and ccprints().
cprints() is just like cprintf(), except that it adds the brackets
and the timestamp. ccprints() is equivalent to cprints(CC_CONSOLE, ...)
This saves us hundreds of bytes in EC binaries.
BUG=chromium:374575
TEST=Build and check flash size
BRANCH=None
Change-Id: Ifafe8dc1b80e698b28ed42b70518c7917b49ee51
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/200490
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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We copied that delay because it seemed to be necessary on early LM4
chips to avoid glitching the UART. But on current boards (e.g. rambi)
this does not seem to be necessary, and delays boot by 31ms. So,
remove the delay.
BUG=chrome-os-partner:23794
BRANCH=rambi
TEST=boot system; see little to no glitching on EC uart, and system boots ok
hibernate 1; see little to no glitching on EC uart, and system boots ok
Change-Id: I9d4b5927da4282e47e1b09be838104c64f25268c
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/185232
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
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This renames constants used in compiler conditionals to uppercase.
BOARD_foo
CHIP_foo
CHIP_FAMILY_foo
CHIP_VARIANT_foo
CORE_foo
Mixed-case constants are still defined by the makefile, but are now no
longer used. I will make one more pass in a week or so to catch any
that are part of someone else's CL, since otherwise this change might
silently merge correctly but result in incorrect compilation. Then I
will remove defining the mixed-case constants.
BUG=chromium:322144
BRANCH=none
TEST=Build all boards. Also, "git grep 'BOARD_[a-z]'" should return no
results (similarly for CHIP, CORE, etc.)
Change-Id: I6418412e9f7ec604a35c2d426d12475dd83e7076
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/179206
Reviewed-by: Vic Yang <victoryang@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
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Temporary fix to the bug in which we miss wake events when in deep
sleep with the LFIOSC (32kHz) clock and the EC is cold. This fix
involves simply using a faster clock, 250kHz, when in low speed
deep sleep. This fix consumes more power but solves the bug.
Renamed EC console command dsleepmask to dsleep.
BRANCH=none
BUG=chrome-os-partner:23678
TEST=Go in to low speed deep sleep by going into either S3 or G3
and letting the EC console timeout. Then freeze-spray the EC chip.
Wake up the EC via the console and make sure that the idlestats
show that we have not missed a deadline.
Change-Id: I4f9844f1937bc8c95cf1540502f7d8fb4cbc097e
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/175614
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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Update comments with more info, or remove if no longer applicable.
No code changes.
BUG=chrome-os-partner:18343
BRANCH=none
TEST=build all platforms; pass unit tests
Change-Id: I5b56eeb500bc0f00e84e91ef99684f4b1b310972
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/175418
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
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Changed the low power idle task to use the low speed clock in deep
sleep. The low power idle task is currently only enabled for Peppy,
Slippy, and Falco. This change decreases power consumption when
the AP is not running.
Note that the low speed clock is slow enough that the JTAG cannot be
used and the EC console UART cannot be used. To work around that,
this commit detects when the JTAG is in use and when the EC console
is in use, and will not use the low speed clock if either is in use.
The JTAG in use never clears after being set and the console in use
clears after a fixed timeout period.
BUG=None
BRANCH=None
TEST=Passes all unit tests.
Tested that the EC console works when in deep sleep.
Tested that it is possible to run flash_ec when in deep sleep and
using the low speed clock.
Change-Id: Ia65997eb8e607a5df9b2c7d68e4826bfb1e0194c
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/173326
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
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First implementation of a low power idle task for the LM4 chip. The
low power mode is selected by defining CONFIG_LOW_POWER_IDLE in a
board.h file. This commit turns it on for Peppy, Slippy, and Falco
only because those are the only boards tested.
When using the low power idle task, the chip goes in to deep sleep
when it can. Deep sleep disables clocks to most peripherals and puts
the onboard flash and RAM into a low power mode. The chip is woken
out of deep sleep using the RTC in the hibernate module. Increased
the idle task stack size to handle more involved idle task.
In board.c, the array of GPIO info can be used to select which GPIO
points can wake up the EC from deep sleep. Currenlty selected are
the power button, lid open, AC present, PCH_SLP_S3, and PCH_SLP_S5.
Additionally the port with the KB scan row GPIO point is also
enabled to wake up the EC from deep sleep.
Signed-off-by: Alec Berg <alecaberg@chromium.org>
BUG=None
BRANCH=none
TEST=Passes all unit tests. Runs on slippy, peppy, and falco with no
noticeable side affects. Verified that the power consumed by the EC
is lower when in S3, S5 and G3 by scoping the sense resistor
powering the chip.
Change-Id: I83fa9a159a4b79201b99f2c32678dc4fc8921726
Reviewed-on: https://chromium-review.googlesource.com/172183
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Alec Berg <alecaberg@chromium.org>
Tested-by: Alec Berg <alecaberg@chromium.org>
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Created a new function to enable or disable clocks to various
peripherals. This new function makes it easy to specify if you
want the clock enabled in run mode, sleep mode, and/or deep
sleep mode.
Added infrastructure to specify which GPIOs should interrupt the
EC from deep sleep.
BUG=none
BRANCH=none
TEST=Passes all unit tests. Ran on a peppy and verified that
the clock gate control registers in run mode (LM4_RCGC regs)
were the same before and after this change.
Change-Id: Ia5009ac8c837f61dca52fe86ebdeede2e1a7fe4d
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/172454
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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The IOUT pin of the smart battery charger can be used to monitor the AC
adapter current (default) or the battery charging current.
BUG=none
BRANCH=none
TEST=manual
Discharge the battery a bit, and connect to the EC console. With the AC
power plugged in, the "battery" command should show charging status,
including current.
The "adc" command will display the A-D converters, including the current
measurement. For example:
> battery
Temp: 0x0b88 = 295.2 K (22.1 C)
Manuf: SMP-COS20
Device: OC2
Chem: LION
Serial: 0x0005
V: 0x4130 = 16688 mV
V-desired: 0x41a0 = 16800 mV
V-design: 0x39d0 = 14800 mV
I: 0x008e = 142 mA(CHG)
I-desired: 0x0080 = 128 mA
Mode: 0x6001
Charge: 98 %
Abs: 94 %
Remaining: 1871 mAh
Cap-full: 1923 mAh
Design: 2000 mAh
Time-full: 0h:23
Empty: 0h:0
>
> adc
ADC channel "ECTemp" = 317
ADC channel "ChargerCurrent" = 455
>
That current is significantly higher than the "I:" reported by the "battery"
command. But look at the charger options:
> sbc 0x12
0x7904 (30980)
>
Bit 5 controls the IOUT Selection. When clear, it monitors the current from
the AC adapter. Set bit 5 to monitor the current provided to the battery:
> sbc 0x12 0x7924
> adc
ADC channel "ECTemp" = 318
ADC channel "ChargerCurrent" = 128
>
That matches what the smart battery sees.
Change-Id: I2fe351304421dfb22d83ef13d416aa44c9f56e8a
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/57940
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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This change just copies slippy and tweaks a few things that were
slippy-specific instead of not-link-specific (there are still bugs
open for those things).
BUG=chrome-os-partner:18788
BRANCH=none
TEST=manual
Since there are no Falco-specific changes yet (just slippy with another
name), I can try it on Slippy:
cros_workon --board falco start chromeos-ec
emerge-falco chromeos-ec
~/trunk/src/platform/ec/util/flash_ec --board falco
I also built and tested Link EC, to make sure nothing broke there either.
Change-Id: I9b3682032bd51adab4450520dfe52e3036750ef9
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/55820
Reviewed-by: Randall Spangler <rspangler@chromium.org>
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This commits the hacks made during board bringup. Bugs can be filed and
fixed based on this starting point.
BUG=chrome-os-partner:18825
BRANCH=slippy
TEST=manual
Try it and see.
Change-Id: Ia663eaf9a357633873b1b5d5cc6dbdda63513082
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/50875
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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This way debug commands which previously took only yes/no or on/off or
enable/disable can take any of those options.
BUG=chrome-os-partner:18467
BRANCH=none
TEST=Try "on", "off", "yes", "no", "true", "false", "ena", "disable", for
each of the following commands:
- ilim (spring)
- pll (link)
- power (spring/snow)
- hcdebug (all)
- kblog (link)
- ksscan (all)
- lp5562 (spring)
Change-Id: Ie8e0fae3775b1da711864bcba6682ba5e68a06f1
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/46900
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
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No functional changes; just code cleanup. On LM4 this also #ifdef's
out the 'sleep' and 'pll' commands since they're big and we don't use
them.
BUG=chrome-os-partner:15579
BRANCH=none
TEST=boot system
Change-Id: I1b72d07d6cca2c783d7ac4c880119df3e88e356e
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36799
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Previously, all hook functions returned EC_SUCCESS, which was
meaningless because nothing ever looked at the return value. Changing
the return value to void saves ~100 bytes of code size and an equal
amount of source code size.
BUG=none
BRANCH=none
TEST=code still builds; link still boots
Change-Id: I2a636339894e5a804831244967a9c9d134df7d13
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36372
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It was previously only enabled for 1500us during boot, but in a way
that triggered a needless round of notifications to other modules.
This is cleaner.
This also fixes adc_init() not initializing the task IDs to wake when
interrupts come in, and removes some unneeded code from other init
functions.
BUG=chrome-os-partner:12472
TEST=boot system and run adc command. Should still provide reasonable data.
Change-Id: I9ae5857d988c727caf5d53f551a2f12b30974c0f
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/29806
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
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The SCB registers are defined in the ARMv7-M architecture, so they are
common to all chips.
We will need System Control Register (SCR aka SYSCTRL) to implement
power management on stm32.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=make BOARD=link && make BOARD=snow
Change-Id: I35c283731306541b3d21398c96fdca89954fe20a
Reviewed-on: https://gerrit.chromium.org/gerrit/25392
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
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Additional help messages and usage are gated by
CONFIG_CONSOLE_CMDHELP, so we can turn it on if there's space (adds
about 3KB to image size) and turn it off when there isn't.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=none
TEST=manual
1) help
2) help list
3) help gpioset
4) gpioset -> wrong number of params
5) gpioset fred 0 -> param1 bad
6) gpioset cpu_prochot fred -> param2 bad
Change-Id: Ibe99f37212020f763ebe65a068e6aa83a809a370
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BUG=none
TEST=(run the commands)
Change-Id: I6ed4aee169311825190bcc386b86cdc32ba0866a
Signed-off-by: Randall Spangler <rspangler@chromium.org>
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Also fix sleep command triggering watchdog timer in spin-idle
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7454
TEST=manual
1) check PLL operation - system keeps operating
pll on
pll off
pll 4
pll 16
2) check sleep operation - no watchdog
sleep 0
(reboot)
sleep 1
Change-Id: Ib3079634a883d7c96b221f9e06a148221628cc3c
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Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=none
TEST=pll, then pll on, then pll off
Change-Id: I9e220a20e234f5eb30009d0a2a4fc080a167c971
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This completes console output cleanup. The remaining calls to
uart_puts() and uart_printf() actually need to be that way.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7464
TEST=manual
Change-Id: Ib1d6d370d30429017b3d11994894fece75fab6ea
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This saves power.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:8798
TEST=manual
Get a proto1 system modified with INA current sensor
1) From chroot:
dut-control i2c_mux_en:on i2c_mux:rem
dut-control pp3300_alw_mv pp3300_alw_ma
2) From EC console:
pll
(this should turn the PLL back on; it'll report clock frequency ~66MHz)
3) From chroot:
dut-control i2c_mux_en:on i2c_mux:rem
dut-control pp3300_alw_mv pp3300_alw_ma
Current (ma) should be bigger than in step 1
Change-Id: I806953684c57fd60bf481acb01dddffe2f2ad0ed
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Proto1 has A3 silicon which is factory-trimmed.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7693
TEST=boot and look for glitchy EC console. If it's not glitchy, it worked.
Change-Id: I56cb2458e600e76e458bce0f24832ef4f456ac14
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This will be used for sleep/wake/sysjump/etc. For now it's just wired
up to clock frequency changing.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=none
TEST=manual: use nopll command, should still work
Change-Id: Iedcea5830bc18eacfd955c29b8f793aba8905dd8
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Add nopll command to turn off the PLL, reducing the system clock to 16Mhz.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:8798
TEST=manual
boot system
press power button to boot x86
temps // should print all temperatures
timerinfo
timerinfo
timerinfo // convince yourself this is counting up at about 1MHz
nopll // this drops the system clock to 16MHz
temps // should still print all temperatures
timerinfo
timerinfo
timerinfo // should still be counting up at about 1MHz
Change-Id: Ie29ceb17af348148bffadf63d60c1b731f4c3f6d
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Instead of using a runtime callback to register the console commands,
put them in a special linker section. So we can do a macro to "register"
them during the build.
It saves 684 bytes and a few microseconds at startup.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=run a few commands from the BDS command line.
Change-Id: Id33ea210b9035bf76ed720373c74c5dd24ccd1b1
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This works around a chip errata where the internal oscillator on early
EC parts (as used on proto0) is untrimmed.
Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7693
TEST=if it runs, it works
Change-Id: Ie82a524543f4cf25efd0de7998dbdae103bd126b
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Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7677
TEST=if it runs, it works
Change-Id: Ib4f28505f6b9a21375f9c3ba97c6e8d56722c051
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Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7528
TEST=none
Change-Id: I0a9be4c689fb72507edcf202073b23c58902d7de
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Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=chrome-os-partner:7528
TEST=none
Change-Id: I3b77cbbb7f0cc12a4daae7ababd603b5d7af32d1
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Signed-off-by: Randall Spangler <rspangler@chromium.org>
BUG=none
TEST=none
Change-Id: I8d6e99b3e2b60d32ea3719468590b055e692a67e
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source files mainly done by Vincent.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Change-Id: Ic2d1becd400c9b4b4a14d4a243af1bdf77d9c1e2
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