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SubjectRe: [PATCH v4] power/supply: Add ltc4162-l-charger
Hi,

On Wed, Jan 06, 2021 at 08:55:57AM +0100, Mike Looijmans wrote:
> Add support for the LTC4162-L Li-Ion battery charger. The driver allows
> reading back telemetry and to set some charging options like the input
> current limit.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
> ---
> v2: Use microohm units instead of milliohm
> Add interrupt support using smbalert
> Support obtaining cell-count from devicetree
> v3: Fix overflows in calculations involving resistor values
> v4: Use attr_grp member to register attributes
> Report input current/voltage for charger and make battery
> voltage and current into sysfs attributes

Fine with me until we have a better way to solve the problem. IIUIC
you no longer have access to the hardware anyways? But you need to
document the custom sysfs nodes: Please document them in the
following file:

Documentation/ABI/testing/sysfs-class-power-ltc4162l

[...]

> +static int ltc4162l_remove(struct i2c_client *client)
> +{
> + struct ltc4162l_info *info = i2c_get_clientdata(client);
> +
> + sysfs_remove_group(&info->charger->dev.kobj, &ltc4162l_attr_group);
> +
> + return 0;
> +}

power-supply core automatically removes the sysfs groups specified
in power_supply_config.attr_grp.

-- Sebastian
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