Hi, On Thu, Jul 30, 2020 at 11:26:09AM +0800, Crag Wang wrote: > This is a long life mode set in the factory for extended warranty > battery, the power charging rate is customized so that battery at > work last longer. > > Presently switching to a different battery charging mode is through > EC PID 0x0710 to configure the battery firmware, this operation will > be blocked by EC with failure code 0x01 when PLL mode is already > in use. > > Signed-off-by: Crag Wang <[email protected]> > Reviewed-by: Mario Limonciello <[email protected]> > ---
Thanks, queued.
-- Sebastian
> Documentation/ABI/testing/sysfs-class-power-wilco | 4 ++++
> drivers/power/supply/power_supply_sysfs.c | 1 +
> drivers/power/supply/wilco-charger.c | 5 +++++
> include/linux/power_supply.h | 1 +
> 4 files changed, 11 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-class-power-wilco
> b/Documentation/ABI/testing/sysfs-class-power-wilco
> index da1d6ffe5e3c..84fde1d0ada0 100644
> --- a/Documentation/ABI/testing/sysfs-class-power-wilco
> +++ b/Documentation/ABI/testing/sysfs-class-power-wilco
> @@ -14,6 +14,10 @@ Description:
> Charging begins when level drops below
> charge_control_start_threshold, and ceases when
> level is above charge_control_end_threshold.
> + Long Life: Customized charge rate for last longer battery life.
> + On Wilco device this mode is pre-configured in the
> factory
> + through EC's private PID. Swiching to a different mode
> will
> + be denied by Wilco EC when Long Life mode is enabled.
>
> What:
> /sys/class/power_supply/wilco-charger/charge_control_start_threshold
> Date: April 2019
> diff --git a/drivers/power/supply/power_supply_sysfs.c
> b/drivers/power/supply/power_supply_sysfs.c
> index bc79560229b5..cfb87b8b8392 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -87,6 +87,7 @@ static const char * const POWER_SUPPLY_CHARGE_TYPE_TEXT[] =
> {
> [POWER_SUPPLY_CHARGE_TYPE_STANDARD] = "Standard",
> [POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE] = "Adaptive",
> [POWER_SUPPLY_CHARGE_TYPE_CUSTOM] = "Custom",
> + [POWER_SUPPLY_CHARGE_TYPE_LONGLIFE] = "Long Life",
> };
>
> static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
> diff --git a/drivers/power/supply/wilco-charger.c
> b/drivers/power/supply/wilco-charger.c
> index b3c6d7cdd731..98ade073ef05 100644
> --- a/drivers/power/supply/wilco-charger.c
> +++ b/drivers/power/supply/wilco-charger.c
> @@ -27,6 +27,7 @@ enum charge_mode {
> CHARGE_MODE_AC = 3, /* Mostly AC use, used for Trickle */
> CHARGE_MODE_AUTO = 4, /* Used for Adaptive */
> CHARGE_MODE_CUSTOM = 5, /* Used for Custom */
> + CHARGE_MODE_LONGLIFE = 6, /* Used for Long Life */
> };
>
> #define CHARGE_LOWER_LIMIT_MIN 50
> @@ -48,6 +49,8 @@ static int psp_val_to_charge_mode(int psp_val)
> return CHARGE_MODE_AUTO;
> case POWER_SUPPLY_CHARGE_TYPE_CUSTOM:
> return CHARGE_MODE_CUSTOM;
> + case POWER_SUPPLY_CHARGE_TYPE_LONGLIFE:
> + return CHARGE_MODE_LONGLIFE;
> default:
> return -EINVAL;
> }
> @@ -67,6 +70,8 @@ static int charge_mode_to_psp_val(enum charge_mode mode)
> return POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE;
> case CHARGE_MODE_CUSTOM:
> return POWER_SUPPLY_CHARGE_TYPE_CUSTOM;
> + case CHARGE_MODE_LONGLIFE:
> + return POWER_SUPPLY_CHARGE_TYPE_LONGLIFE;
> default:
> return -EINVAL;
> }
> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
> index ac1345a48ad0..528a3eaa2320 100644
> --- a/include/linux/power_supply.h
> +++ b/include/linux/power_supply.h
> @@ -48,6 +48,7 @@ enum {
> POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */
> POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */
> POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */
> + POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */
> };
>
> enum {
> --
> 2.17.1
>
> ---
> The original author, Nick no longer being around and that's why he's not on
> CC.
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