Re: [PATCH 15/15] twl4030_charger: assume a 'charger' can supply maximum current.

Pavel Machek
2015-03-02T21:29:44Z

On Tue 2015-02-24 15:33:53, NeilBrown wrote:
> If it cannot, we will stop pulling more current when voltage drops.

Can you justify it a bit more?

I mean... maybe there's a fuse in the charger? Or maybe it will supply
the current but overheat in the process? (USB_MAX_CURRENT is 500mA or
1.7A?)

Thanks,
Pavel

> Signed-off-by: NeilBrown <neilb@suse.de>

> @@ -691,8 +691,10 @@ static void twl4030_bci_usb_work(struct work_struct *data)
> struct twl4030_bci *bci = container_of(data, struct twl4030_bci, work);
>
> switch (bci->event) {
> - case USB_EVENT_VBUS:
> case USB_EVENT_CHARGER:
> + bci->usb_cur = USB_MAX_CURRENT;
> + /* FALL THROUGH */
> + case USB_EVENT_VBUS:
> case USB_EVENT_ENUMERATED:
> twl4030_charger_enable_usb(bci, true);
> break;

--
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