linux-toradex.git/drivers/power, branch v2.6.32.33

ds2760_battery: Fix calculation of time_to_empty_now

2011-02-17T23:37:02+00:00

commit 86af95039b69a90db15294eb1f9c147f1df0a8ea upstream.

A check against division by zero was modified in commit b0525b48.
Since this change time_to_empty_now is always reported as zero
while the battery is discharging and as a negative value while
the battery is charging. This is because current is negative while
the battery is discharging.

Fix the check introduced by commit b0525b48 so that time_to_empty_now
is reported correctly during discharge and as zero while charging.

Signed-off-by: Sven Neumann 
Acked-by: Daniel Mack 
Signed-off-by: Anton Vorontsov 
Signed-off-by: Greg Kroah-Hartman

olpc_battery: Fix endian neutral breakage for s16 values

2010-12-09T21:26:37+00:00

commit 7cfbb29466633e6ecdc14f76a693c8478c2b22af upstream.

When the driver was updated to be endian neutral (8e9c7716c)
the signed part of the s16 values was lost.  This is because be16_to_cpu()
returns an unsigned value.  This patch casts the values back to a s16
number prior to the the implicit cast up to an int.

Signed-off-by: Richard A. Smith 
Signed-off-by: Daniel Drake 
Signed-off-by: Anton Vorontsov 
Signed-off-by: Greg Kroah-Hartman

apm_power: Add missing break statement

2010-09-20T20:18:13+00:00

commit 1d220334d6a8a711149234dc5f98d34ae02226b8 upstream.

The missing break statement causes wrong capacity calculation for
batteries that report energy.

Reported-by: d binderman 
Signed-off-by: Anton Vorontsov 
Signed-off-by: Greg Kroah-Hartman

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

2009-09-22T23:49:27+00:00

Conflicts:
	drivers/power/wm97xx_battery.c

power_supply: Add driver for the PMU on WM831x PMICs

2009-09-04T17:02:32+00:00

The WM831x PMICs provide power path management from three sources:
a wall supply, USB and a battery with integrated charger. They also
provide an additional backup supply with integrated for maintaining
always on functionality such as the RTC and monitoring of power
switches.

After some initial configuration at startup the device operates
autonomously, the driver simply provides reporting of the current
state.

Signed-off-by: Mark Brown 
Signed-off-by: Anton Vorontsov

ds2760_battery: Fix integer overflow for time_to_empty_now

2009-09-04T16:26:40+00:00

On the device we're currently developing, battery sizes of ~2.8Ah and
current flow of ~600mA are typical.

With that values, the life_sec computation overflows due to the
multiplication by 3600.

Signed-off-by: Daniel Mack 
Cc: Szabolcs Gyurko 
Cc: Matt Reimer 
Signed-off-by: Anton Vorontsov

wm97xx_battery: Convert to dev_pm_ops

2009-09-04T16:21:08+00:00

Signed-off-by: Marek Vasut 
Signed-off-by: Anton Vorontsov

wm97xx_battery: Use irq to detect charger state

2009-09-04T16:21:08+00:00

Signed-off-by: Marek Vasut 
Signed-off-by: Anton Vorontsov

wm97xx_battery: Use platform_data

2009-09-04T16:20:58+00:00

This patch converts the wm97xx-battery driver to use platform_data
supplied by ac97 bus.

Signed-off-by: Marek Vasut 
Signed-off-by: Anton Vorontsov

Merge git://git.infradead.org/users/cbou/battery-2.6.31

2009-07-30T23:45:53+00:00

* git://git.infradead.org/users/cbou/battery-2.6.31:
  Add ds2782 battery gas gauge driver
  olpc_battery: Ensure that the TRICKLE bit is checked
  olpc_battery: Fix up eeprom read function