commit 0848c94fb4 ("mfd: core: Push irqdomain mapping out into devices")
that appeared in v3.6-rc6 adds another argument to the mfd_add_devices()
call, and that makes commit a830d28b48 ("power_supply: Enable
battery-charger for 88pm860x", which is battery tree) no longer compatible
with the latest kernels.
This commit is used to merge upstream back into battery tree and
accommodate 88pm860x driver for the latest changes in MFD core.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reported-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
A previous patch added the ac_draw_failed goto and label to
pda_power_probe(). The goto would be invoked after a failed call to
regulator_get().
However the way ac_draw is used - always after a check for NULL - suggests
that a failed call to regulator_get() was not fatal.
This patch removes the ac_draw_failed goto and label, partly reverting the
previous patch.
This patch also removes the assignment of an error code to ret after a
failed call to regulator_get(), since the error code is now never used.
Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch add support sysfs entry for each charger(regulator).
Charger-manager use one or more chargers for charging battery but some
charger isn't necessary on specific scenario. So, if some charger isn't
needed, can disable specific charger through 'externally_control' entry
while system is on state and confirm the information(name, state) of
charger.
The list of added sysfs entry
- /sys/class/power_supply/battery/chargers/charger.[index]/name
show name of charger(regulator)
- /sys/class/power_supply/battery/chargers/charger.[index]/state
show either enabled or disabled state of charger
- /sys/class/power_supply/battery/chargers/charger.[index]/externally_control
If 'externally_control' of specific charger is 1, Charger-manager cannot
enable regulator for charging when charger cable is attached and charger
must be maintained with disabled state. If 'externally_control' is zero,
Charger-manager usually can control to enable/disable regulator.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch check maximum possible duration of charging/discharging.
If whole charging duration exceed 'desc->charging_max_duration_ms', cm
stop charging to prevent overcharge/overheat. And if discharging duration
exceed, charger cable is attached, after full-batt, cm start charging to
maintain fully charged state for battery.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch check periodically fully charged state of battery to protect
overcharge and overheat. If battery is fully charged, stop charging and
check droped voltage with 'fullbatt_vchkdrop_ms' period. When voltage of
battery is more droped than 'fullbatt_vchkdrop_uV' voltage,
charger-manager will restart charging for battery.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This is really minor, but it improves the readability.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Declare a variable at one line. Just return when no charger exists to make
code simpler.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
If the charger is pulled out, just return as DISCHARGING. Then no need for
additional 'else' statement.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Charger has only one valid property - ONLINE. If the property is not
ONLINE, then just return quickly.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Just return with lp8727_write_byte(), no need to check its value.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Change return type to boolean. Remove unnecessary check routine for NULL
string. (Power supply name is always valid when the function is executed.)
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Add new LP8727_ICHG_SHIFT definition and replace a magic number. Reuse
definition for the size of interrupt register buffer.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
All definitions should be unique, since they're in the gloabl namespace.
So the prefix LP8727_ are added. Additionally, use BIT() macro for bit
masks. Remove unnecessary definitions such as SW_DM1_U1 and SW_DP2_U2.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Enum lp8727_chg_state can be removed because only one charger status is
used - EOC(End Of Charge).
To check whether the EOC is reached or not, use simple comparison rather
than shift-operation.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
For better understanding, use specific function and definitions rather
than magic numbers. New enum type for die temperature is matched with hex
codes. Specific temperature names are better than 0x1, 0x2 and 0x3.
And lp8727_is_high_temperature() function has better readability than
comparing raw register values.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
To initialize the device, previous interrupts need to be cleared while
loading the driver.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
For better understanding, function name is changed. (lp8727_intr_config()
is replaced with lp8727_setup_irq().)
The private IRQ number is set when the IRQ is allocated successfully. This
data is used for releasing the IRQ on unloading the driver. Even the IRQ
number is not defined, the driver should be operated. In this case, just
return as 0.
In additional function lp8727_release_irq(), the workqueue is canceled and
the allocated IRQ is released.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
LP8727 has two IRQ threads. One is the I2C HW IRQ pin, the other is for
delayed interrupt processing. But this delayed processing can be handled
without additional single thread by using schedule_delayed_work() with
jiffies time value.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Debounce time is configurable in the platform side. If it is not defined,
the default value is 270ms.
Platform data is msec unit, and this time is converted to jiffies
internally. The workqueue uses this jiffies time in the interrupt
handling. So debounce_jiffies is added in the private data.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
LP8727 platform data is optional, so the driver should work even the
platform data is NULL.
To check the platform data, charging parameter data should be changed to
the pointer type.
Fix NULL point access problem when getting the battery properties. When
the data is NULL, just return as invalid value.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Anton Vorontsov
Paul Parsons
Chanwoo Choi
Kim, Milo