On 16/08/2024 10:19, Artur Weber wrote:
> This behavior was observed on a downstream kernel - for chargers, the
> current would be set to a fast charge current value, and it would be
> bumped down for all other cable types.
>
> If we leave only the fast charge current value applied, peripheral mode
> stops working. If we stick to 500mA, charging becomes too slow. So, set
> the charge input current limit accordingly to the cable type.
>
> Tested-by: Henrik Grimler <henrik@xxxxxxxxxx>
> Signed-off-by: Artur Weber <aweber.kernel@xxxxxxxxx>
> ---
> Changes in v3:
> - Re-introduced this commit from v1. It seems to have been accidentally
> rolled into the previous commit in v2.
> ---
> drivers/power/supply/max77693_charger.c | 23 ++++++++++++++++++++---
> 1 file changed, 20 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/power/supply/max77693_charger.c b/drivers/power/supply/max77693_charger.c
> index bf156544fe1b..908fd2a178ee 100644
> --- a/drivers/power/supply/max77693_charger.c
> +++ b/drivers/power/supply/max77693_charger.c
> @@ -716,6 +716,7 @@ static void max77693_charger_extcon_work(struct work_struct *work)
> cable.work);
> struct extcon_dev *edev = chg->cable.edev;
> bool set_charging, set_otg;
> + unsigned int input_current;
> int connector, state;
> int ret;
>
> @@ -728,19 +729,28 @@ static void max77693_charger_extcon_work(struct work_struct *work)
>
> switch (connector) {
> case EXTCON_CHG_USB_SDP:
> - case EXTCON_CHG_USB_DCP:
Why do you move it? Wasn't it added in previous patch?
> case EXTCON_CHG_USB_CDP:
> + case EXTCON_CHG_USB_SLOW:
> + input_current = 500000; /* 500 mA */
> + set_charging = true;
> + set_otg = false;
> +
> + dev_info(chg->dev, "slow charging. connector type: %d\n",
> + connector);
> + break;
Best regards,
Krzysztof
