Re: [PATCH v2 1/1] power: supply: cpcap-charger: Add usleep to cpcap charger to avoid usb plug bounce

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Hi,

On Wed, Dec 30, 2020 at 03:02:18PM +0100, Carl Philipp Klemm wrote:
> Adds 40000 ms sleep before cpcap_charger_enable to hopfully avoid
> the bounce on plug in
> 
> Signed-off-by: Carl Philipp Klemm <philipp@xxxxxxxx>
> ---

This is before cpcap_charger_disable() and I do not follow why you
want to add a delay in this position. Please add a comment before
the usleep providing some information which bounce effect is being
mitigated.

Thanks,

-- Sebastian

>  drivers/power/supply/cpcap-charger.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c
> index c0d452e3dc8b..130c61a9f267 100644
> --- a/drivers/power/supply/cpcap-charger.c
> +++ b/drivers/power/supply/cpcap-charger.c
> @@ -631,6 +631,8 @@ static void cpcap_usb_detect(struct work_struct *work)
>  		return;
>  	}
>  
> +	usleep_range(40000, 60000);
> +
>  	/* Throttle chrgcurr2 interrupt for charger done and retry */
>  	switch (ddata->state) {
>  	case CPCAP_CHARGER_CHARGING:
> -- 
> 2.29.2

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