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Message-Id: <20190415012635.6369-5-matheus@castello.eng.br> Date: Sun, 14 Apr 2019 22:26:35 -0300 From: Matheus Castello <matheus@...tello.eng.br> To: sre@...nel.org, krzk@...nel.org, robh+dt@...nel.org Cc: mark.rutland@....com, cw00.choi@...sung.com, b.zolnierkie@...sung.com, lee.jones@...aro.org, linux-pm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Matheus Castello <matheus@...tello.eng.br> Subject: [PATCH v2 4/4] power: supply: max17040: Send uevent in SOC changes Notify core through power_supply_changed() in case of changes in state of charge. This is useful for user-space to efficiently update current battery level. Signed-off-by: Matheus Castello <matheus@...tello.eng.br> --- drivers/power/supply/max17040_battery.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c index f036f272d52f..db901ebf495d 100644 --- a/drivers/power/supply/max17040_battery.c +++ b/drivers/power/supply/max17040_battery.c @@ -208,10 +208,17 @@ static void max17040_check_changes(struct i2c_client *client) static void max17040_work(struct work_struct *work) { struct max17040_chip *chip; + int last_soc; chip = container_of(work, struct max17040_chip, work.work); + /* store SOC for check change */ + last_soc = chip->soc; max17040_check_changes(chip->client); + /* check changes and send uevent */ + if (last_soc != chip->soc) + power_supply_changed(chip->battery); + queue_delayed_work(system_power_efficient_wq, &chip->work, MAX17040_DELAY); } -- 2.17.0
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