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Currently, in the power supply notifier callback, GEN3 FG driver
calls pm_stay_awake() which increases the wake source count on
its device before it schedules status_change_work. In case, if
status_change_work is already pending, then pm_stay_awake() will
not have a balanced pm_relax() call as the work will not get
scheduled again if it's pending already. Fix this by scheduling
status_change_work and hence call pm_stay_awake() only if it is
not pending.
Change-Id: I2b8e28f6bfe1a5813410c7b1276d4e229eb67e84
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Add support to configure battery connector resistance (Rconn) so
that battery resistance can take into account of that along with
ESR and Rslow.
Change-Id: Ib330c4f9b6d55c75aeb8e8fd5cea4dd92b0f64cf
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Currently, GEN3 FG driver uses a debug battery id threshold of
7 KOhms. However, depending on the battery id chosen by the user
this threshold can be modified in the bootloader. Hence, add
support to read the debug battery id thresholds directly from
RR_ADC peripheral registers. This can be used to decide whether
a fake battery SOC (67) can be displayed to the user.
Change-Id: I22ab702e10c310e4f847c6c81a48a8f0f3188429
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Currently GEN3 FG driver reads "qcom,nom-batt-capacity-mah"
property from the battery profile device node to use that for
notifying fastcharge current to the charger driver. Change that
to use "qcom,fastchg-current-ma" property which seems to be more
appropriate. Update all the battery profiles that are used with
GEN3 FG to follow that.
Change-Id: I119e6af297b37a06a227475f712f938367fb65bc
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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It is expected to get 3 switcher-power-ok interrupts in a span of 1
second for Wipower. This causes the boost back workaround to suspend
dc path.
The boost back problem was never seen on Wipower. Revert the boost
back workaround for Wipower until a proper fix is in place.
Change-Id: I81b4a3184a709a5328b04c389b0e5277d65a675d
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
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For targets with LMH DCVSh hardware and OSM, BCL software frequency
mitigation is not required. Since hardware is doing the frequency
mitigation, there is no need for the HLOS BCL frequency mitigation.
So make the properties "qcom,mitigation-freq-khz" and
"qcom,thermal-handle" as optional properties.
Change-Id: I0062f3b39f00ff2f0e74affcffbcf1afd89d3b2f
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>
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This property will be used to indicate to the boost current
after the boost is turned on.
CRs-Fixed: 1095917
Change-Id: Ie667fa49c4a8e8c008e8866f655e3bbe3e69e156
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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Add support of PMFALCON PMIC in FG driver. PMFALCON
FG core uses same SRAM map as PMI8998v2.0.
While at it, add workaround flag variable to keep track
of all hardware specific workarounds.
CRs-Fixed: 1096793
Change-Id: I8ba73276fd30f6eaf935ed77b75601f1322c0ba6
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
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Currently userspace data is getting accessed directly
and leading to crash, So use get_user() API to copy
userspace data/settings to kernel space.
Change-Id: I3a75ec9503d8207829640bf88e1c3160bf72c9f0
Signed-off-by: Mohammed Khajapasha <mkhaja@codeaurora.org>
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Add support of PMFALCON PMIC and enable PMIC specific
workarounds in charger driver.
Change-Id: Id21fde25b9b741b9cb570ab5348959715e53e6cb
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
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Auto recharge happens when the charging is complete and the
battery SOC or voltage had dropped below certain threshold.
Along with having an option to configure recharge SOC threshold,
a way to configure recharge voltage threshold is required. Add
it. By default, charger is configured to resume charging only
based on the signal from FG based on battery voltage.
Change-Id: I0cd6ca6679c19bbdf4ad980a22d9976396028316
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Reading TYPE_C_STATUS_5_REG overwrites what was read from
TYPE_C_STATUS_4_REG therefore, the incorrect register is masked when
determining whether a vbus-error had occurred.
Re-arrange the USB Type-C changed handler so that function calls which
could fail are called first and store the status separately.
Change-Id: I302e06498b2696d6af06c0360c12f82711b0911d
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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Currently when OC is detected on VCONN the hardware will disable OTG and
exit Attached.SRC state and go back to DRP toggling. If the OC persists
then the hardware will enter an infinite cycle of trying to enable OTG.
Fix this by changing the behavior such that the hardware remains in
Attached.SRC state when OC is detected on VCONN. In this case VBUS will
remain on and the OTG device may continue to work in a limited capacity
without VCONN.
Change-Id: If371ec24040ea6d45d64dec6fa32b7f9f2276dfa
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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The apsd done handling could end up accessing a null ptr returned
from smblib_update_usb_type().
Fix it so that smblib_update_usb_type() never returns a null pointer.
Change-Id: I53cd6ed709263669edbc34f096a21cddffcf4489
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
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If a legacy Type-A to Type-C cable is attached to the phone, but the
Type-A end is left disconnected, then the VBUS capacitor will be charged
when DRP toggles to DFP mode. Since VBUS is charged it will prevent the
device from staying in power off state when shutdown.
Fix this by forcing UFP mode before shutdown so the VBUS capacitor will be
discharged, and therefore it will not trigger PON to restart the device.
Change-Id: I53f89cf6b7c11f32c5e8e5a51a5986fa31424b92
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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Currently, smb2 charger uses VBT_LT_CHG_RECHARGE_THRESH signal
from FG to enable auto recharge by default. Add support to
configure smb2 charger to use SOC_LT_CHG_RECHARGE_THRESH signal
from FG if needed.
This will enable charging to resume again when battery SOC drops
below the automatic recharge SOC threshold (configured in FG)
while charger is inserted and SOC goes down after the charge
termination had happened.
Change-Id: Ic68cd12cc861d04e107b70e2b96200483f13da26
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Update the code name from msmcobalt to msm8998. As a result, update
the filename containing "cobalt" and files content containing "cobalt".
CRs-Fixed: 1070840
Change-Id: I2c7b95e3e2a2fec7730724da9eeb86a39a77faf1
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
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Currently we disable try.SINK right before pd becomes active and
re-enable it right after inactive. This breaks typec compliance.
To fix it, disable try.SINK mode in the probe and never enable it.
Change-Id: I61523188f45daca026b90943c845b43a8327f51e
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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Currently there is an issue introduced by forcing the results of
the icl_votable while pd is active. icl_votable is a min voter
and since the DEFAULT_VOTER votes 1.5Amps that becomes the max
one could draw when pd is active. This is incorrect and hence the
issue.
Note that DEFAULT_VOTER is only needed while DCP is present.
So, to fix it, rename DEFAULT_VOTER to DCP_VOTER and make DCP_VOTER
unvote and vote when pd_active is set and unset respectively.
CRs-Fixed: 1091477
Change-Id: I7435f05f20e12a7704ae5d9597b5cdc9b5a61d00
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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After cold reboot with typec attached, HW can not tell
typec from legacy cable.
The workaround is to reset and re-initiate legacy cable
detection.
CRs-Fixed: 1079373
Change-Id: Ifd7b2b88e7ab4c952b743fede6e24795069d653a
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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Estimate the amount of time it will take to charge or discharge the
battery. These values are exposed through power supply properties
time_to_full_avg and time_to_empty_avg.
Change-Id: I53c24deb1cfbd7fea1b2a598ed58c6352c5ff9a2
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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PMI8998 register 0x1690 BIT(2) is incorrectly documented. This bit enables
a feature to disable the parallel charger via STAT when the PMI is
supplementing a system load using the battery. This feature is not
recommended since SW is limiting the power that the parallel charger can
draw based on the input power available, and the default power
distribution ensures that 50% of the available input power is allocated to
the PMI. Disable this feature.
Change-Id: I1e5400eb64b6b61076617b5b26fc750c6e8d0270
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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When PD negotiates a higher input current limit the ICL override bit will
be set. If a reboot happens then the ICL override will still be set after
the reboot. Clear the ICL override during probe to ensure that the correct
ICL is honored since PD is neither enabled nor has it negotiated a higher
ICL yet.
Change-Id: Iaa5f221d530721f7ff4a413a609192baf98ff359
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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USBIN_INT_RT_STS_REG can be read to determine whether vbus is present
therefore caching the result is unnecessary. Remove it.
Change-Id: Idace48373333dc3ab36aa10e0d90098a68af315d
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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The USB and DC power supplies should reflect the real time plugin status
in POWER_SUPPLY_PROP_PRESENT.
Change-Id: I08987a383edff181e8e4867d8d795dae58ecf084
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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In PMICv2, typec removal is known when CC detachment is detected,
but this does not work due to a HW bug, when orientation is CC2
with medium or high rd.
Currently in HW, after cable is removed, rd reading switches to
std from medium or high. The software workaround is to catch this
very change in cc state update, and then force a cc detach irq.
CRs-Fixed: 1079913
Change-Id: I284ca8f2221f596432d67117d89e7d501d2bd9a8
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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In PMICv2, typec removal relies on CC detachment detection,
but CC removal event does not fire when orientation is CC2
with rdstd, due to a HW bug.
The software workaround is to force typec sink cycles and
poll CC states, until cc status reading confirms detachment,
and PD is notified of typec removal.
CRs-Fixed: 1079913
Change-Id: Ie9ed65d421df57c9bfa4db8e44d358da3b0cdc36
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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Some USB OTG devices fail to start due to high capacitance on VCONN which
causes an in-rush of current and triggers the over-current protection.
Increase the softstart to mitigate the current in-rush caused by these
devices.
Change-Id: Ia29c08702db44538fcb467fc38d3933be9df26d7
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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Currently, a flag is set when the empty SOC interrupt fires to
indicate SOC 0 to the users. This is not cleared when the battery
voltage goes up. This needs to be fixed. Remove the flag and use
the realtime status of BATT_SOC peripheral to decide it. To make
that even more robust, validate the battery voltage with the
cutoff voltage. While at it, add a print in the driver's probe to
print the battery SOC and voltage. This will be helpful to debug
different battery charging scenarios.
CRs-Fixed: 1086715
Change-Id: Icbbe0d4ab74c6f9bf6f2278a11020a9bc6c41930
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
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Forcing a certain current limit is not supported in the current
driver, but well needed in when pd is active.
In this change, ICL_OVERRIDE/APSD and USB mode are updated, so
that PD can alter current limit by simply voting the ICL
setting.
Change-Id: I8d3ec938d433fe9bdbb8c091873c07e75c49d632
Signed-off-by: Harry Yang <harryy@codeaurora.org>
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