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Message-ID: <CAJCx=gk5vw1R3HuxVdrKxHW9EY7hc01RDrhCxNWTeiT8TtpTHA@mail.gmail.com>
Date: Tue, 27 Feb 2018 21:58:12 -0800
From: Matt Ranostay <matt.ranostay@...sulko.com>
To: Merlijn Wajer <merlijn@...zup.org>
Cc: linux-omap@...r.kernel.org,
Pali Rohár <pali.rohar@...il.com>,
"Andrew F. Davis" <afd@...com>, Sebastian Reichel <sre@...nel.org>,
Liam Breck <kernel@...workimprov.net>,
Thomas Gleixner <tglx@...utronix.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/1] power: supply: bq27xxx: Call power_supply_changed
on status change
Commit message please :)
On Tue, Feb 27, 2018 at 5:04 PM, Merlijn Wajer <merlijn@...zup.org> wrote:
> Signed-off-by: Merlijn Wajer <merlijn@...zup.org>
> ---
Single patch changes usually don't have a cover letter. you put more
detail here in the cutoff section (aka after --- above)
> drivers/power/supply/bq27xxx_battery.c | 59 +++++++++++++++++-----------------
> include/linux/power/bq27xxx_battery.h | 1 +
> 2 files changed, 30 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
> index 0a203672744c..218d153fb431 100644
> --- a/drivers/power/supply/bq27xxx_battery.c
> +++ b/drivers/power/supply/bq27xxx_battery.c
> @@ -1527,6 +1527,31 @@ static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di)
> return POWER_SUPPLY_HEALTH_GOOD;
> }
>
> +static int bq27xxx_battery_read_status(struct bq27xxx_device_info *di)
> +{
> + int status;
> +
> + if (di->opts & BQ27XXX_O_ZERO) {
> + if (di->cache.flags & BQ27000_FLAG_FC)
> + status = POWER_SUPPLY_STATUS_FULL;
> + else if (di->cache.flags & BQ27000_FLAG_CHGS)
> + status = POWER_SUPPLY_STATUS_CHARGING;
> + else if (power_supply_am_i_supplied(di->bat) > 0)
> + status = POWER_SUPPLY_STATUS_NOT_CHARGING;
> + else
> + status = POWER_SUPPLY_STATUS_DISCHARGING;
> + } else {
> + if (di->cache.flags & BQ27XXX_FLAG_FC)
> + status = POWER_SUPPLY_STATUS_FULL;
> + else if (di->cache.flags & BQ27XXX_FLAG_DSC)
> + status = POWER_SUPPLY_STATUS_DISCHARGING;
> + else
> + status = POWER_SUPPLY_STATUS_CHARGING;
> + }
> +
> + return status;
> +}
> +
> void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> {
> struct bq27xxx_reg_cache cache = {0, };
> @@ -1547,6 +1572,7 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> cache.time_to_full = -ENODATA;
> cache.charge_full = -ENODATA;
> cache.health = -ENODATA;
> + cache.status = bq27xxx_battery_read_status(di);
> } else {
> if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
> cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
> @@ -1559,6 +1585,7 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
> cache.energy = bq27xxx_battery_read_energy(di);
> cache.health = bq27xxx_battery_read_health(di);
> + cache.status = bq27xxx_battery_read_status(di);
> }
> if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
> cache.cycle_count = bq27xxx_battery_read_cyct(di);
> @@ -1570,7 +1597,7 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> di->charge_design_full = bq27xxx_battery_read_dcap(di);
> }
>
> - if (di->cache.capacity != cache.capacity)
> + if ((di->cache.capacity != cache.capacity) || (di->cache.status != cache.status))
> power_supply_changed(di->bat);
>
> if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
> @@ -1625,34 +1652,6 @@ static int bq27xxx_battery_current(struct bq27xxx_device_info *di,
> return 0;
> }
>
> -static int bq27xxx_battery_status(struct bq27xxx_device_info *di,
> - union power_supply_propval *val)
> -{
> - int status;
> -
> - if (di->opts & BQ27XXX_O_ZERO) {
> - if (di->cache.flags & BQ27000_FLAG_FC)
> - status = POWER_SUPPLY_STATUS_FULL;
> - else if (di->cache.flags & BQ27000_FLAG_CHGS)
> - status = POWER_SUPPLY_STATUS_CHARGING;
> - else if (power_supply_am_i_supplied(di->bat) > 0)
> - status = POWER_SUPPLY_STATUS_NOT_CHARGING;
> - else
> - status = POWER_SUPPLY_STATUS_DISCHARGING;
> - } else {
> - if (di->cache.flags & BQ27XXX_FLAG_FC)
> - status = POWER_SUPPLY_STATUS_FULL;
> - else if (di->cache.flags & BQ27XXX_FLAG_DSC)
> - status = POWER_SUPPLY_STATUS_DISCHARGING;
> - else
> - status = POWER_SUPPLY_STATUS_CHARGING;
> - }
> -
> - val->intval = status;
> -
> - return 0;
> -}
> -
> static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di,
> union power_supply_propval *val)
> {
> @@ -1733,7 +1732,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy,
>
> switch (psp) {
> case POWER_SUPPLY_PROP_STATUS:
> - ret = bq27xxx_battery_status(di, val);
> + ret = bq27xxx_simple_value(di->cache.status, val);
> break;
> case POWER_SUPPLY_PROP_VOLTAGE_NOW:
> ret = bq27xxx_battery_voltage(di, val);
> diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h
> index e6187f524f2c..4f27656045fd 100644
> --- a/include/linux/power/bq27xxx_battery.h
> +++ b/include/linux/power/bq27xxx_battery.h
> @@ -49,6 +49,7 @@ struct bq27xxx_reg_cache {
> int flags;
> int power_avg;
> int health;
> + int status;
> };
>
> struct bq27xxx_device_info {
> --
> 2.16.2
>
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