Re: [PATCH v3 1/5] power: supply: max17040: Add IRQ handler for low SOC alert
From: Krzysztof Kozlowski
Date: Wed May 29 2019 - 10:30:19 EST
On Mon, 27 May 2019 at 04:45, Matheus Castello <matheus@xxxxxxxxxxxxxxx> wrote:
> According datasheet max17040 has a pin for alert host for low SOC.
> This pin can be used as external interrupt, so we need to check for
> interrupts assigned for device and handle it.
> In handler we are checking and storing fuel gauge registers values
> and send an uevent to notificate user space, so user space can decide
> save work or turn off since the alert demonstrate that the battery may
> no have the power to keep the system turned on for much longer.
> Signed-off-by: Matheus Castello <matheus@xxxxxxxxxxxxxxx>
> drivers/power/supply/max17040_battery.c | 65 +++++++++++++++++++++++--
> 1 file changed, 60 insertions(+), 5 deletions(-)
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>