2012-08-23 02:41:19

by Pallala, Ramakrishna

[permalink] [raw]
Subject: [PATCH] power_supply: Add new power supply AUTHENTIC property

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 <[email protected]>
---
Documentation/power/power_supply_class.txt | 3 +++
drivers/power/power_supply_sysfs.c | 1 +
include/linux/power_supply.h | 1 +
3 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt
index 2f0ddc1..29a1fcd 100644
--- a/Documentation/power/power_supply_class.txt
+++ b/Documentation/power/power_supply_class.txt
@@ -81,6 +81,9 @@ This defines trickle and fast charges. For batteries that
are already charged or discharging, 'n/a' can be displayed (or
'unknown', if the status is not known).

+AUTHENTIC - indicates the power supp(battery or charger) connected
+to the platform is authentic(1) or non authentic(0).
+
HEALTH - represents health of the battery, values corresponds to
POWER_SUPPLY_HEALTH_*, defined in battery.h.

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 1d96614..be34a6d 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -138,6 +138,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(health),
POWER_SUPPLY_ATTR(present),
POWER_SUPPLY_ATTR(online),
+ POWER_SUPPLY_ATTR(authentic),
POWER_SUPPLY_ATTR(technology),
POWER_SUPPLY_ATTR(cycle_count),
POWER_SUPPLY_ATTR(voltage_max),
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 3cfee0c..729768c 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -88,6 +88,7 @@ enum power_supply_property {
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_AUTHENTIC,
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
--
1.7.0.4


2012-08-23 03:01:06

by Anton Vorontsov

[permalink] [raw]
Subject: Re: [PATCH] power_supply: Add new power supply AUTHENTIC property

On Thu, Aug 23, 2012 at 06:50:21AM +0530, Ramakrishna Pallala wrote:
> 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 <[email protected]>
> ---

Applied, thanks a lot!

> Documentation/power/power_supply_class.txt | 3 +++
> drivers/power/power_supply_sysfs.c | 1 +
> include/linux/power_supply.h | 1 +
> 3 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt
> index 2f0ddc1..29a1fcd 100644
> --- a/Documentation/power/power_supply_class.txt
> +++ b/Documentation/power/power_supply_class.txt
> @@ -81,6 +81,9 @@ This defines trickle and fast charges. For batteries that
> are already charged or discharging, 'n/a' can be displayed (or
> 'unknown', if the status is not known).
>
> +AUTHENTIC - indicates the power supp(battery or charger) connected

Had to fix s/supp/supply/