This patch checks for charger status register for determining the
battery charging status and reports Discharing/Charging/Not Charging/Full
accordingly.
This patch also adds the interrupt support for Safety Timer Expiration.
This interrupt is helpful in debugging the cause for charger fault.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
When I reboot my iPAQ hx4700 in its cradle, the battery will not begin
to charge even though the AC supply is connected. Charging will start
only after the PDA power driver is tickled by some other power event,
such as reseating the iPAQ in its cradle or connecting the USB cable.
The problem lies in pda_power_probe(), where ac_draw is used by the call
to update_charger() before being set by the call to regulator_get().
Moving the regulator_get() call to before the update_charger() call
fixes the problem.
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>
There are different types of chargers avalibale like AC, Solar, USB,
etc.. Even in USB we have different types SDP/DCP/CDP/ACA and all these
chargers have different o/p ratings. For example SDP supports only 500mA
of charge current whereas AC charger can support upto 8A or more.
Similarly batteries also come with charge current and voltage ratings
and these ratings vary depending on its capacity and the technology
used.
This patch adds two new power supply properties
CONSTANT_CHARGE_CURRENT_MAX and CONSTANT_CHARGE_CURRENT_MAX.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch remove unnecessary variable(cm->fullbatt_vchk_uV) by using
'desc->fullbatt_uV' field directly in fullbatt_handler() function
to check the state of 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 disable regulator for charging when charger cable is detached
before stopping charging forcibly on abnormal battery state and check
return value of regulator_enable/disable() function to confirm correct
operation of enabling or disabling regulator for charging.
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>
Noticed the new warning:
CHECK drivers/power/da9030_battery.c
drivers/power/da9030_battery.c:190:68: warning: Using plain integer as NULL pointer
This commit fixes the issue.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
It is possible that users can use non-standard chargers or use invalid
batteries especially with mobile devices.
This patch adds a new power supply property called 'AUTHENTIC' to
indicate this to the user(user space).
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
With devm_kzalloc there is no need of freeing at the errorpath and also
at unregister it.
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
module_platform_driver can be used to replace the platform_driver
register and unregister functions, with the calls to module_init
and module_exit,
i.e. all the code that is doing like the below
static int __init mymod_init(void)
{
return platform_driver_register(&drv_operations);
}
static void __exit mymod_exit(void)
{
platform_driver_unregister(&drv_operations);
}
module_init(mymod_init);
module_exit(mymod_exit);
can be replaced with
module_platform_driver(drv_operations)...
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
It would be better not to use the 0b-prefix for earlier versions of
gcc-4.3.
Signed-off-by: Il Han <corone.il.han@gmail.com>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
The fix for MFD part is already merged so we can remove the broken mark
for da9052-battery.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
The patch fixes the following warnings:
CHECK drivers/power/da9052-battery.c
drivers/power/da9052-battery.c:330:15: warning: symbol 'da9052_determine_vc_tbl_index' was not declared. Should it be static?
CC drivers/power/da9052-battery.o
drivers/power/da9052-battery.c: In function 'da9052_determine_vc_tbl_index':
drivers/power/da9052-battery.c:348:1: warning: control reaches end of non-void function [-Wreturn-type]
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
if usb power supply registration fails,
we wont unregister the ac power supply
if battery power supply registration fails,
we wont unregister the usb, and ac supply,
take care of those things and also no need of goto -err_mem: at the fail case of
kzalloc simply can have return -ENOMEM
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Initialize return variable before exiting on an error path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Pull OLPC platform updates from Andres Salomon:
"These move the OLPC Embedded Controller driver out of
arch/x86/platform and into drivers/platform/olpc.
OLPC machines are now ARM-based (which means lots of x86 and ARM
changes), but are typically pretty self-contained.. so it makes more
sense to go through a separate OLPC tree after getting the appropriate
review/ACKs."
* 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc:
x86: OLPC: move s/r-related EC cmds to EC driver
Platform: OLPC: move global variables into priv struct
Platform: OLPC: move debugfs support from x86 EC driver
x86: OLPC: switch over to using new EC driver on x86
Platform: OLPC: add a suspended flag to the EC driver
Platform: OLPC: turn EC driver into a platform_driver
Platform: OLPC: allow EC cmd to be overridden, and create a workqueue to call it
drivers: OLPC: update various drivers to include olpc-ec.h
Platform: OLPC: add a stub to drivers/platform/ for the OLPC EC driver
Switch over to using olpc-ec.h in multiple steps, so as not to break builds.
This covers every driver that calls olpc_ec_cmd().
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
from interrupts for /dev/random and /dev/urandom. The goal is to
addresses weaknesses discussed in the paper "Mining your Ps and Qs:
Detection of Widespread Weak Keys in Network Devices", by Nadia
Heninger, Zakir Durumeric, Eric Wustrow, J. Alex Halderman, which will
be published in the Proceedings of the 21st Usenix Security Symposium,
August 2012. (See https://factorable.net for more information and an
extended version of the paper.)
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull random subsystem patches from Ted Ts'o:
"This patch series contains a major revamp of how we collect entropy
from interrupts for /dev/random and /dev/urandom.
The goal is to addresses weaknesses discussed in the paper "Mining
your Ps and Qs: Detection of Widespread Weak Keys in Network Devices",
by Nadia Heninger, Zakir Durumeric, Eric Wustrow, J. Alex Halderman,
which will be published in the Proceedings of the 21st Usenix Security
Symposium, August 2012. (See https://factorable.net for more
information and an extended version of the paper.)"
Fix up trivial conflicts due to nearby changes in
drivers/{mfd/ab3100-core.c, usb/gadget/omap_udc.c}
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: (33 commits)
random: mix in architectural randomness in extract_buf()
dmi: Feed DMI table to /dev/random driver
random: Add comment to random_initialize()
random: final removal of IRQF_SAMPLE_RANDOM
um: remove IRQF_SAMPLE_RANDOM which is now a no-op
sparc/ldc: remove IRQF_SAMPLE_RANDOM which is now a no-op
[ARM] pxa: remove IRQF_SAMPLE_RANDOM which is now a no-op
board-palmz71: remove IRQF_SAMPLE_RANDOM which is now a no-op
isp1301_omap: remove IRQF_SAMPLE_RANDOM which is now a no-op
pxa25x_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
omap_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
goku_udc: remove IRQF_SAMPLE_RANDOM which was commented out
uartlite: remove IRQF_SAMPLE_RANDOM which is now a no-op
drivers: hv: remove IRQF_SAMPLE_RANDOM which is now a no-op
xen-blkfront: remove IRQF_SAMPLE_RANDOM which is now a no-op
n2_crypto: remove IRQF_SAMPLE_RANDOM which is now a no-op
pda_power: remove IRQF_SAMPLE_RANDOM which is now a no-op
i2c-pmcmsp: remove IRQF_SAMPLE_RANDOM which is now a no-op
input/serio/hp_sdc.c: remove IRQF_SAMPLE_RANDOM which is now a no-op
mfd: remove IRQF_SAMPLE_RANDOM which is now a no-op
...
all pretty straightforward, except one thing.
One of our patches added thermal support for power supply class, but
thermal/ subsystem changed under our feet. We (well, Stephen, that is)
caught the issue and it was decided[1] that I'd just delay the battery
pull request, and then will fix it up by merging upstream back into
battery tree at the specific commit.
That's not all though: another[2] small fixup for thermal subsystem was
needed to get rid of a warning in power supply subsystem (the warning
was not drivers/power's "fault", the thermal registration function just
needed a proper const annotation, which is also done by a small commit
on top of the merge.
So, to sum this up:
- The 'master' branch of the battery tree was in the -next tree for
weeks, was never rebased, altered etc. It should be all OK;
- Although, for-v3.6 tag contains the 'master' branch + merge + the
warning fix.
[1] http://lkml.org/lkml/2012/6/19/23
[2] http://lkml.org/lkml/2012/6/18/28
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Merge tag 'for-v3.6' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"The tag contains just a few battery-related changes for v3.6. It's is
all pretty straightforward, except one thing.
One of our patches added thermal support for power supply class, but
thermal/ subsystem changed under our feet. We (well, Stephen, that
is) caught the issue and it was decided[1] that I'd just delay the
battery pull request, and then will fix it up by merging upstream back
into battery tree at the specific commit.
That's not all though: another[2] small fixup for thermal subsystem
was needed to get rid of a warning in power supply subsystem (the
warning was not drivers/power's "fault", the thermal registration
function just needed a proper const annotation, which is also done by
a small commit on top of the merge.
So, to sum this up:
- The 'master' branch of the battery tree was in the -next tree for
weeks, was never rebased, altered etc. It should be all OK;
- Although, for-v3.6 tag contains the 'master' branch + merge + the
warning fix.
[1] http://lkml.org/lkml/2012/6/19/23
[2] http://lkml.org/lkml/2012/6/18/28"
* tag 'for-v3.6' of git://git.infradead.org/battery-2.6: (23 commits)
thermal: Constify 'type' argument for the registration routine
olpc-battery: update CHARGE_FULL_DESIGN property for BYD LiFe batteries
olpc-battery: Add VOLTAGE_MAX_DESIGN property
charger-manager: Fix build break related to EXTCON
lp8727_charger: Move header file into platform_data directory
power_supply: Add min/max alert properties for CAPACITY, TEMP, TEMP_AMBIENT
bq27x00_battery: Add support for BQ27425 chip
charger-manager: Set current limit of regulator for over current protection
charger-manager: Use EXTCON Subsystem to detect charger cables for charging
test_power: Add VOLTAGE_NOW and BATTERY_TEMP properties
test_power: Add support for USB AC source
gpio-charger: Use cansleep version of gpio_set_value
bq27x00_battery: Add support for power average and health properties
sbs-battery: Don't trigger false supply_changed event
twl4030_charger: Allow charger to control the regulator that feeds it
twl4030_charger: Add backup-battery charging
twl4030_charger: Fix some typos
max17042_battery: Support CHARGE_COUNTER power supply attribute
smb347-charger: Add constant charge and current properties
power_supply: Add constant charge_current and charge_voltage properties
...
This merge is performed to take commit c56f5c0342 ("Thermal: Make
Thermal trip points writeable") out of Linus' tree and then fixup power
supply class. This is needed since thermal stuff added a new argument:
CC drivers/power/power_supply_core.o
drivers/power/power_supply_core.c: In function ‘psy_register_thermal’:
drivers/power/power_supply_core.c:204:6: warning: passing argument 3 of ‘thermal_zone_device_register’ makes integer from pointer without a cast [enabled by default]
include/linux/thermal.h:154:29: note: expected ‘int’ but argument is of type ‘struct power_supply *’
drivers/power/power_supply_core.c:204:6: error: too few arguments to function ‘thermal_zone_device_register’
include/linux/thermal.h:154:29: note: declared here
make[1]: *** [drivers/power/power_supply_core.o] Error 1
make: *** [drivers/power/] Error 2
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Here's the big driver core pull request for 3.6-rc1.
Unlike 3.5, this kernel should be a lot tamer, with the printk changes now
settled down. All we have here is some extcon driver updates, w1 driver
updates, a few printk cleanups that weren't needed for 3.5, but are good to
have now, and some other minor fixes/changes in the driver core.
All of these have been in the linux-next releases for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core changes from Greg Kroah-Hartman:
"Here's the big driver core pull request for 3.6-rc1.
Unlike 3.5, this kernel should be a lot tamer, with the printk changes
now settled down. All we have here is some extcon driver updates, w1
driver updates, a few printk cleanups that weren't needed for 3.5, but
are good to have now, and some other minor fixes/changes in the driver
core.
All of these have been in the linux-next releases for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (38 commits)
printk: Export struct log size and member offsets through vmcoreinfo
Drivers: hv: Change the hex constant to a decimal constant
driver core: don't trigger uevent after failure
extcon: MAX77693: Add extcon-max77693 driver to support Maxim MAX77693 MUIC device
sysfs: fail dentry revalidation after namespace change fix
sysfs: fail dentry revalidation after namespace change
extcon: spelling of detach in function doc
extcon: arizona: Stop microphone detection if we give up on it
extcon: arizona: Update cable reporting calls and split headset
PM / Runtime: Do not increment device usage counts before probing
kmsg - do not flush partial lines when the console is busy
kmsg - export "continuation record" flag to /dev/kmsg
kmsg - avoid warning for CONFIG_PRINTK=n compilations
kmsg - properly print over-long continuation lines
driver-core: Use kobj_to_dev instead of re-implementing it
driver-core: Move kobj_to_dev from genhd.h to device.h
driver core: Move deferred devices to the end of dpm_list before probing
driver core: move uevent call to driver_register
driver core: fix shutdown races with probe/remove(v3)
Extcon: Arizona: Add driver for Wolfson Arizona class devices
...
Here's the big USB patch set for the 3.6-rc1 merge window.
Lots of little changes in here, primarily for gadget controllers and drivers.
There's some scsi changes that I think also went in through the scsi tree, but
they merge just fine. All of these patches have been in the linux-next tree
for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB patch set for the 3.6-rc1 merge window.
Lots of little changes in here, primarily for gadget controllers and
drivers. There's some scsi changes that I think also went in through
the scsi tree, but they merge just fine. All of these patches have
been in the linux-next tree for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fix up trivial conflicts in include/scsi/scsi_device.h (same libata
conflict that Jeff had already encountered)
* tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (207 commits)
usb: Add USB_QUIRK_RESET_RESUME for all Logitech UVC webcams
usb: Add quirk detection based on interface information
usb: s3c-hsotg: Add header file protection macros in s3c-hsotg.h
USB: ehci-s5p: Add vbus setup function to the s5p ehci glue layer
USB: add USB_VENDOR_AND_INTERFACE_INFO() macro
USB: notify phy when root hub port connect change
USB: remove 8 bytes of padding from usb_host_interface on 64 bit builds
USB: option: add ZTE MF821D
USB: sierra: QMI mode MC7710 moved to qcserial
USB: qcserial: adding Sierra Wireless devices
USB: qcserial: support generic Qualcomm serial ports
USB: qcserial: make probe more flexible
USB: qcserial: centralize probe exit path
USB: qcserial: consolidate usb_set_interface calls
USB: ehci-s5p: Add support for device tree
USB: ohci-exynos: Add support for device tree
USB: ehci-omap: fix compile failure(v1)
usb: host: tegra: pass correct pointer in ehci_setup()
USB: ehci-fsl: Update ifdef check to work on 64-bit ppc
USB: serial: keyspan: Removed unrequired parentheses.
...
Pull trivial tree from Jiri Kosina:
"Trivial updates all over the place as usual."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (29 commits)
Fix typo in include/linux/clk.h .
pci: hotplug: Fix typo in pci
iommu: Fix typo in iommu
video: Fix typo in drivers/video
Documentation: Add newline at end-of-file to files lacking one
arm,unicore32: Remove obsolete "select MISC_DEVICES"
module.c: spelling s/postition/position/g
cpufreq: Fix typo in cpufreq driver
trivial: typo in comment in mksysmap
mach-omap2: Fix typo in debug message and comment
scsi: aha152x: Fix sparse warning and make printing pointer address more portable.
Change email address for Steve Glendinning
Btrfs: fix typo in convert_extent_bit
via: Remove bogus if check
netprio_cgroup.c: fix comment typo
backlight: fix memory leak on obscure error path
Documentation: asus-laptop.txt references an obsolete Kconfig item
Documentation: ManagementStyle: fixed typo
mm/vmscan: cleanup comment error in balance_pgdat
mm: cleanup on the comments of zone_reclaim_stat
...
With the changes in the random tree, IRQF_SAMPLE_RANDOM is now a
no-op; interrupt randomness is now collected unconditionally in a very
low-overhead fashion; see commit 775f4b297b. The IRQF_SAMPLE_RANDOM
flag was scheduled to be removed in 2009 on the
feature-removal-schedule, so this patch is preparation for the final
removal of this flag.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Reduce the mAh value for the BYD LiFe battery from 3100mAh to 2800mAh
to better reflect the average usable capacity as measured by olpc-pwr-log.
Signed-off-by: Richard A. Smith <richard@laptop.org>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
upowerd wants to compute the energy in the battery by looking at this
property. If it's not present then it falls back on using the reported
voltage of the battery at time upowerd loads. That's close but also
means that every time you boot you get a slightly different energy
capacity.
Adding the VOLTAGE_MAX_DESIGN property allows upowerd to compute the
same energy every time.
Signed-off-by: Richard A. Smith <richard@laptop.org>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch select CONFIG_EXTCON to resolve below build break of
charger-manager because charger-manager use API of EXTCON subsystem.
drivers/built-in.o: In function `charger_manager_probe':
charger-manager.c:(.text+0x11d61a): undefined reference to `extcon_register_interest'
charger-manager.c:(.text+0x11d7b6): undefined reference to `extcon_unregister_interest'
drivers/built-in.o: In function `charger_manager_remove':
charger-manager.c:(.devexit.text+0x8f3): undefined reference to `extcon_unregister_interest'
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>
The lp8727 header can be used only in the platform side, so it can be
moved to the platform_data directory.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Minimum and maximum alerts on power supply properties will help or allow
the user space to "proactively" create policies like connect/disconnect
charger or stop/start the user apps based on capacity or temperature
parameters.
These parameters can be used to avoid unnecessary polling from user space
and even from kernel space if the underlying HW can support INT triggers
(ex: max17042/47).
This patch adds the following power supply alert type properties:
CAPACITY_ALERT_MIN
CAPACITY_ALERT_MAX
TEMP_ALERT_MIN
TEMP_ALERT_MAX
TEMP_AMBIENT_ALERT_MIN
TEMP_AMBIENT_ALERT_MAX
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch adds support for BQ27425 (TI) chip. This chip is same as
BQ27500 with few registers removed and register address map changed.
The data sheet for this chip is publicly available at
http://www.ti.com/product/bq27425-g1
Signed-off-by: Saranya Gopal <saranya.gopal@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This patch support the protection of host device from over current.
The Charger-manager set proper current limit of charger(regulator) for
charging according to type of charger cable when external connector
is attached.
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 support that charger-manager use EXTCON(External Connector)
Subsystem to detect the state of charger cables for enabling or disabling
charger(regulator) and select the charger cable for charging among
a number of external cable according to policy of H/W board.
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>
usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Disable the module option for POWER_AVS since this is currently not
supported.
This patch fixes these error in the case POWER_AVS is set to 'm':
arch/arm/mach-omap2/built-in.o: In function `sr_class3_configure':
arch/arm/mach-omap2/smartreflex-class3.c:43: undefined reference to `sr_configure_errgen'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_disable':
arch/arm/mach-omap2/smartreflex-class3.c:33: undefined reference to `sr_disable_errgen'
arch/arm/mach-omap2/smartreflex-class3.c:35: undefined reference to `sr_disable'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_enable':
arch/arm/mach-omap2/smartreflex-class3.c:28: undefined reference to `sr_enable'
arch/arm/mach-omap2/built-in.o: In function `sr_class3_init':
arch/arm/mach-omap2/smartreflex-class3.c:59: undefined reference to `sr_register_class'
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
[tony@atomide.com: updated to use relative paths for the build error]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Conflicts:
include/linux/mmzone.h
Synced with Linus' tree so that trivial patch can be applied
on top of up-to-date code properly.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Add a linked list for keeping multiple PHY instances with different
types so that we can have separate USB2 and USB3 PHYs on one single
board. _get_phy_ has been changed so that the controller gets
the transceiver by type. _remove_phy_ has been added to let the phy
be removed from the phy list.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
_transceiver() in otg.c is replaced with _phy. usb_set_transceiver is
replaced with usb_add_phy to make it similar to other usb standard
function names like usb_add_hcd.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Emulate battery temperature (fixed to 26) and battery voltage (variable)
properties.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Usually a device has both AC plug and UDC plug usable for charging.
Provide both AC sources.
Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Context of gpio_charger_get_property is sleepable so we should
use gpio_set_value_cansleep instead of gpio_set_value.
It will remove WARN_ON incase of using gpio from i2c-to-gpio
expander like pca953x.
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Addition of power average and health properties.
Signed-off-by: Syed Rafiuddin <srafiuddin@nvidia.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
power_supply_changed() events are triggerd based on the return value
of a get_property() call. However the property TECHNOLOGY is
hard-coded to LION in this driver, thus always succeeds.
So, with the battery removed, this triggers a false battery present
uevent. This uevent triggers a new query via power_supply_uevent()
which again starts to query all known properties and thus leads to
an infinite loop of battery present/not-present uevents.
This patch skips the battery presence detection for the hard-coded
property TECHNOLOGY.
Signed-off-by: Nikolaus Voss <n.voss@weinmann.de>
Acked-by Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
The charger needs usb3v1 to be running, so add a new consumer to
keep it running.
This allows the charger to draw current even when the USB driver has
powered down.
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
This allows a voltage and current (bb_uvolts and bb_uamps) to be
specified in the platform_data, and charging of the backup battery will
be enabled with those specification.
As it is not possible to monitor the backup battery at all there is no
new device created to represent it.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
