Re: [PATCH 05/11] power: supply: qcom_smbx: allow disabling charging

From: Sebastian Reichel
Date: Sun Jun 22 2025 - 15:13:45 EST


Hi,

On Thu, Jun 19, 2025 at 04:55:13PM +0200, Casey Connolly wrote:
> Hook up USBIN_CMD_IL so that writing "0" to the status register will
> disable charging, this is useful to let users limit charging
> automatically.
>
> Signed-off-by: Casey Connolly <casey.connolly@xxxxxxxxxx>
> ---
> drivers/power/supply/qcom_smbx.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/power/supply/qcom_smbx.c b/drivers/power/supply/qcom_smbx.c
> index b1cb925581ec6b8cfca3897be2de5b00a336c920..fc2a8e20435639a9da4d966c43271beaeb57a03f 100644
> --- a/drivers/power/supply/qcom_smbx.c
> +++ b/drivers/power/supply/qcom_smbx.c
> @@ -692,8 +692,11 @@ static int smb_set_property(struct power_supply *psy,
> {
> struct smb_chip *chip = power_supply_get_drvdata(psy);
>
> switch (psp) {
> + case POWER_SUPPLY_PROP_STATUS:
> + return regmap_update_bits(chip->regmap, chip->base + USBIN_CMD_IL,
> + USBIN_SUSPEND_BIT, !val->intval);

I planned to pick this, but USBIN_CMD_IL is not defined before the
smb5 support patch, so this is not bisectable.

Greetings,

-- Sebastian

> case POWER_SUPPLY_PROP_CURRENT_MAX:
> return smb_set_current_limit(chip, val->intval);
> default:
> dev_err(chip->dev, "No setter for property: %d\n", psp);
> @@ -704,8 +707,9 @@ static int smb_set_property(struct power_supply *psy,
> static int smb_property_is_writable(struct power_supply *psy,
> enum power_supply_property psp)
> {
> switch (psp) {
> + case POWER_SUPPLY_PROP_STATUS:
> case POWER_SUPPLY_PROP_CURRENT_MAX:
> return 1;
> default:
> return 0;
>
> --
> 2.49.0
>
>

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