Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
fixed the following coccicheck:
drivers/power/supply/ds2780_battery.c:627:60-61: WARNING opportunity for
kobj_to_dev()
drivers/power/supply/ds2780_battery.c:672:60-61: WARNING opportunity for
kobj_to_dev()
drivers/power/supply/ds2780_battery.c:640:60-61: WARNING opportunity for
kobj_to_dev()
drivers/power/supply/ds2780_battery.c:685:60-61: WARNING opportunity for
kobj_to_dev()
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Currently REG_NAC (nominal available capacity) is mapped to
power-supply's CHARGE_NOW property. Some chips do not have
REG_NAC and do not expose CHARGE_NOW at the moment. Some
bq27xxx chips also have another register REG_RM (remaining
capacity). The difference between REG_NAC and REG_RM is load
compensation.
This patch adds register information for REG_RM for all
supported fuel gauges. On systems having REG_NAC it is
ignored, so behaviour does not change. On systems without
REG_NAC, REG_RM will be used to provide CHARGE_NOW
functionality.
As a result there are three more chips exposing CHARGE_NOW:
bq27z561, bq28z610 and bq34z100
Signed-off-by: Hermes Zhang <chenhuiz@axis.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Currently if the pointer battery is null there is a null pointer
dereference on the call to power_supply_put. Fix this by only
performing the put if battery is not null.
Addresses-Coverity: ("Dereference after null check")
Fixes: 4bff91bb32 ("power: supply: cpcap-charger: Fix missing power_supply_put()")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There is no dynamic information in cpcap-battery's
power-supply description struct, so let's make it
static const.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Fix typo
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
[tony@atomide.com: separated out from charger changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add charge_now property for capacity reporting.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
[tony@atomide.com: updated to apply for naming changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Calculate percentage using charge_full value provided.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
[tony@atomide.com: updated to apply after dropping my earlier patch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Save the battery empty and full states so we can use those to estimate
the battery capacity in the following patches.
If the user provides us with charge_full value (which it could save in a
permanent storage between reboots), initialize low and high counter_uah
with calculated values.
If we hit battery low once, we should stick on reporting it until the
charger is connected. This way low->counter_uah will be updated
properly, and that will allow us to get more accurate charge_full value.
Based on an earlier patch by Tony Lindgren with charge_full usage and
other improvments done by Arthur Demchenkov.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Co-developed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
[tony@atomide.com: combined earlier patches, updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add charge_full property and let user update it. This is needed for
capacity reporting in the following patches.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Arthur Demchenkov <spinal.by@gmail.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
We now get battery full notification from cpcap-charger, so let's use that
for battery full status and charger disconnect.
Note that any current based battery full detection we have tried earlier is
flakey as it won't account for example for CPU load increasing the battery
current. Anyways, if current based battery full detection is also still
needed, we can reconsider adding it in addition to the charger status based
detection.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
We want to have the battery update it's status when the charge is done,
and when the charger is disconnected. Otherwise the battery does not know
when it's full unless there's a userspace app polling the battery status.
To do this, we add supplied_to handling to cpcap-battery, and implement
power_supply_changed() for cpcap-charger. When cpcap-charger calls
power_supply_changed(), cpcap-battery will update it's status.
Let's also use new_state variable for the POWER_SUPPLY_STATUS_CHARGING
case to have unified handling for the switch.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Let's turn cpcap_charger_set_state() into separate cpcap_charger_enable()
and cpcap_charger_disable() to simplify things, and to allow managing
status separately. This can be then used for the follow-up patches to
make battery full status behave a bit nicer.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
We currently have both state and status, get rid of state and use
generic status instead.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Droid 4 has same problem as N900: it is often necessary to manually
tweak current draw from USB, for example when using thin charging cable.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
[tony@atomide.com: rebased, cleaned up whitespace issues, updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Just get rid of the custom enumeration if favor of the standard one.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This should be only shown when debug is enabled.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
If we have a USB charger connected, reboot is flakey and often fails to
reboot the device with the charger LED staying on.
Let's fix this by implementing .shutdown.
Cc: Arthur Demchenkov <spinal.by@gmail.com>
Cc: Carl Philipp Klemm <philipp@uvos.xyz>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This patch adds battery gauge driver for Acer Iconia Tab A500 device.
The battery gauge function is provided via the Embedded Controller,
which is found on the Acer A500.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Corrects BQ256XX_NUM_WD_VAL from value of "8" to "4" and fixes the issue when 'i'
is equal to array size then array index over runs the array
Fixes: 32e4978bb9 ("power: supply: bq256xx: Introduce the BQ256XX charger driver")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ricardo Rivera-Matos <r-rivera-matos@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This immutable branch replaces legacy gpio API in wm97xx_battery and
z2_battery with new gpiod API, which involves the drivers in
power-supply and some mach-pxa board files.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Merge tag 'ib-psy-pxa-for-5.12-signed' into psy-next
Immutable branch between mach-pxa and power-supply for for 5.12
This immutable branch replaces legacy gpio API in wm97xx_battery and
z2_battery with new gpiod API, which involves the drivers in
power-supply and some mach-pxa board files.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This converts the WM97xx driver to use a GPIO descriptor
instead of passing a GPIO number thru platform data.
Like everything else in the driver, use a simple local
variable for the descriptor, it can only ever appear in
one instance anyway so it should not hurt.
After converting the driver I noticed that none of the
boardfiles actually define a meaningful GPIO line for
this, but hey, it is converted.
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This converts the Palm Z2 battery driver to use GPIO descriptors.
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The only usage of it is to put its address in an array of pointers to
const static structs. Make it const to allow the compiler to put it in
read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The only usage of it is to put its address in an array of pointers to
const static structs. Make it const to allow the compiler to put it in
read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add support for the LTC4162-L Li-Ion battery charger. The driver allows
reading back telemetry and to set some charging options like the input
current limit.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The MAX8903 uses up to 5 different GPIO lines to control and
monitor charging.
When converting to use GPIO descriptors instead of the old
GPIO numbers the following side-refactorings were done:
- Decomission the platform data container struct as all
GPIO descriptors are now "live" members of the driver
state container. The "dc_valid" and "usb_valid" just
indicate the presence of a DC or USB charger detection
line, and this can be handled by just checking if
the optional GPIO descriptor for each is != NULL.
- The gpiolib will now respect the GPIO_ACTIVE_LOW flag
for each of the lines, meaning gpiod_get_value() for example
will return 1 (asserted) if a line is flagged as
active low and is also physically low. The same applies
to output lines, vice versa mutatis mutandis. The code
has been augmented to account for this in all sites.
- The terse parenthesis such as this:
gpio_set_value(pdata->cen, ta_in ? 0 :
(data->usb_in ? 0 : 1));
have been expanded to more readable if / else if / else
statements that are easier for humans to read.
- Comments were inserted to underscore polarity in each
case where it could be confusing to users of the old code.
One thing is notable: the device tree bindings does not show
an example of polarity assigned for the line "dcm-gpios"
DC current monitor, is assumed to be flagged GPIO_ACTIVE_HIGH
and driving it high (asserted) will achieve DC charger current
limits and driving it low will achieve USB charger current
limits. Device trees with this (optional) GPIO line defined
should definately be flagged as GPIO_ACTIVE_HIGH.
Cc: Chris Lapa <chris@lapa.com.au>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The platform data header is not included by any other file in
the kernel but the driver itself. Decomission the stand-alone
header and absorb it into the driver itself.
Cc: Chris Lapa <chris@lapa.com.au>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The driver includes two GPIO headers but does not use
symbols from any of them, so drop these includes.
Cc: Alexander Kurz <akurz@blala.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
'HWMON_T_INPUT' and 'HWMON_T_MIN_ALARM' in power_supply_hwmon_info are
duplicated and can be removed.
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The Mele PCG03 is another mini PC using the AXP288 PMIC where the EFI
code does not disable the charger part of the PMIC causing us to report
a discharging battery with a random battery charge to userspace.
Add it to the deny-list to avoid the bogus battery status reporting.
Cc: Rasmus Porsager <rasmus@beat.dk>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The BQ256XX family of devices are highly integrated buck chargers
for single cell batteries.
Signed-off-by: Ricardo Rivera-Matos <r-rivera-matos@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
There is a spelling mistake in a dev_dbg message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Register for extcon notification and set charging current depending on
the detected cable type. Current values are taken from vendor kernel,
where most charger types end up setting 650mA [0].
Also enable and disable the CHARGER regulator based on extcon events.
[0] https://github.com/krzk/linux-vendor-backup/blob/samsung/galaxy-s2-epic-4g-touch-sph-d710-exynos4210-dump/drivers/misc/max8997-muic.c#L1675-L1678
Signed-off-by: Timon Baetz <timon.baetz@protonmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Commit 25d76fed7f ("phy: cpcap-usb: Use IRQF_ONESHOT") started causing
errors loading phy-cpcap-usb driver:
cpcap_battery cpcap_battery.0: failed to register power supply
genirq: Flags mismatch irq 211. 00002080 (se0conn) vs. 00000080 (se0conn)
cpcap-usb-phy cpcap-usb-phy.0: could not get irq se0conn: -16
Let's fix this by adding the missing IRQF_ONESHOT to also cpcap-battery
and cpcap-charger drivers.
Fixes: 25d76fed7f ("phy: cpcap-usb: Use IRQF_ONESHOT")
Reported-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
A semicolon is not needed after a switch statement.
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Adds a module option to ignore a missing temperature sensor.
Useful for 3rd party batteries.
Signed-off-by: Carl Philipp Klemm <carl@uvos.xyz>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch fix a warning messages in power_supply_sysfs.c
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The code obtaining the ADC channels is outdated: it is
trying to work around the IIO subsystem not returning
the right -EPROBE_DEFER error code. Fix this up
by using the dev_err_probe() helper so we defer silently
where appropriate and not bail out if the IIO core
returns -EPROBE_DEFER as happens now.
Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Since these IRQs are cascaded from a nested IRQ, the
generic IRQ system detects this and refuse to deliver
a fastpath IRQ in response to request_irq():
nested = irq_settings_is_nested_thread(desc);
if (nested) {
if (!new->thread_fn) {
ret = -EINVAL;
goto out_mput;
}
(...)
Threaded IRQs work just as well so let's just request
threaded IRQs. One of the IRQs are alread requested
as threaded anyways.
Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Make sure the threaded IRQs requested by the charger are
flagged as "oneshot". Usually this is what you want, and
since the interrupts are shared with the USB phy on the
AB8500 we will get a conflict like this if we don't,
since the phy request them threaded oneshot:
genirq: Flags mismatch irq 83. 00004084 (USB_LINK_STATUS
vs. 00006084 (usb-link-status)
ab8500-charger ab8500-charger.0: failed to request
USB_LINK_STATUS IRQ 83: -16
Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Switch over to using generic dev_pm_ops since these
drivers aren't even using the special power state passed
to the legacy call.
Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Use a local "dev" helper variable to make the probe()
code easier to read in the ab8500 subdrivers.
Drop out-of-memory messages as these should come from the
slab core.
Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
A break is not needed if it is preceded by a goto.
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The driver include <linux/gpio.h> but actually only use
<linux/gpio/consumer.h> which is includes below. Drop the
surplus legacy header include.
Cc: Peter Rosin <peda@axentia.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The driver includes <linux/gpio.h> but fails to use any
symbols from the file.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This driver uses platform data to pass GPIO lines using the
deprecated global GPIO numbers. There are no in-tree users
of this platform data.
Any out-of-tree or coming users of this driver can easily be
migrated to use machine descriptor tables as described in
Documentation/driver-api/gpio/board.rst
section "platform data".
Cc: Anish Kumar <anish198519851985@gmail.com>
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This converts the Collie battery driver to use GPIO descriptors.
We use a mixture of 3 GPIOs defined in the machine and 3
GPIOs requested directly from the ucb1x00 chip.
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
