Messages in this thread | | | Date | Mon, 2 Mar 2015 22:29:39 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 15/15] twl4030_charger: assume a 'charger' can supply maximum current. |
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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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