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authorAndres Salomon <dilinger@debian.org>2008-05-12 21:46:29 -0400
committerAnton Vorontsov <cbouatmailru@gmail.com>2008-05-13 12:27:11 +0400
commit8e552c36d90c03d2cabf5373788998966751b609 (patch)
treec6707c58260ce932a1d2539f55f95ff5cacb8ba8 /drivers/power/power_supply_sysfs.c
parent484d6d50cca3941db6e063113d124333aed0abc0 (diff)
downloadlinux-8e552c36d90c03d2cabf5373788998966751b609.tar.gz
power_supply: add CHARGE_COUNTER property and olpc_battery support for it
This adds PROP_CHARGE_COUNTER to the power supply class (documenting it as well). The OLPC battery driver uses this for spitting out its ACR values (in uAh). We have some rounding errors (the data sheet claims 416.7, the math actually works out to 416.666667, so we're forced to choose between overflows or precision loss. I chose precision loss, and stuck w/ data sheet values), but I don't think anyone will care that much. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers/power/power_supply_sysfs.c')
-rw-r--r--drivers/power/power_supply_sysfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index c444d6b10c58..82e1246eeb0a 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -99,6 +99,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(charge_empty),
POWER_SUPPLY_ATTR(charge_now),
POWER_SUPPLY_ATTR(charge_avg),
+ POWER_SUPPLY_ATTR(charge_counter),
POWER_SUPPLY_ATTR(energy_full_design),
POWER_SUPPLY_ATTR(energy_empty_design),
POWER_SUPPLY_ATTR(energy_full),